Nucleobases

  • 2'- Amino- 2'- deoxyadenosine ( 2'-AdA )Cat. No.: A 104
  • 3'- Amino- 3'- deoxyadenosine ( 3'-AdA )Cat. No.: A 063
  • 3'- Amino- 3'- deoxyguanosine ( 3'-AdG )Cat. No.: A 064
  • 5'- Amino- 5'- deoxyadenosine ( 5'-NH2-Ado )Cat. No.: A 021
  • 5'- Amino- 5'- deoxyguanosine ( 5'-NH2-Guo )Cat. No.: A 078
  • 2- Amino- 6- chloropurine riboside ( 2-NH2-6-Cl-PuR )Cat. No.: A 080
  • 5- Aminoimidazole- 4- carboxamide- 1- ß- D- ribofuranoside
      ( AICAR / Acadesine / Z- riboside ) Cat. No.: A 103
  • 2', 3'- O- para- Anisylideneguanosine ( 2',3'-O-pAnisyl-Guo )
       Cat. No.: A 081
  • 2- Aza- 1, N6- ethenoadenosine ( 2-Aza-ε-Ado )Cat. No.: A 086
  • 5'- Azido- 5'- deoxyguanosine ( 5'-N3-Guo )Cat. No.: A 079
  • 8- Azidoadenosine ( 8-N3-Ado )Cat. No.: A 045
  • 8- Bromo- 2', 3', 5'- tri- O- acetylguanosine ( 8-Br-2',3',5'-TAc-Guo )
       Cat. No.: B 038
  • 8- Bromo- 2'- deoxyadenosine ( 8-Br-dAdo )Cat. No.: B 027
  • 8- Bromo- 2'- deoxyguanosine ( 8-Br-dGuo )Cat. No.: B 021
  • 8- Bromo- 2'- O- methylguanosine ( 8-Br-2'-O-Me-Guo )
       Cat. No.: B 034
  • 8- BromoadenosineCat. No.: B 033
  • 8- BromoguanosineCat. No.: B 036
  • 8- Bromoxanthosine ( 8-Br-Xao )Cat. No.: B 039
  • N6- Carbamoylthreonyladenosine ( t6-Ado )Cat. No.: C 022
  • 2- Chloro- 2'- deoxyadenosine ( 2-Cl-dAdo, Cladribine )
       Cat. No.: C 028
  • 8- Chloro- 2'- deoxyadenosine ( 8-Cl-d-Ado )Cat. No.: C 024
  • 5- Chloro- 2'- deoxycytidine ( CldC )Cat. No.: C 081
  • 8- Chloro- 2'- deoxyguanosine ( 8-Cl-dGuo )Cat. No.: C 025
  • 2- Chloroadenosine ( 2-Cl-Ado )Cat. No.: C 017
  • 8- Chloroadenosine ( 8-Cl-Ado )Cat. No.: C 006
  • 5- Chlorocytidine ( 5-C-C )Cat. No.: C 034
  • 8- Chloroguanosine ( 8-Cl-Guo )Cat. No.: C 026
  • 2- Chloroinosine ( 2-Cl-Ino )Cat. No.: C 021
  • 8- Chloroinosine ( 8-Cl-Ino )Cat. No.: C 019
  • 8- (4- Chlorophenylthio)- 2'- O- methyladenosine
       ( 8-pCPT-2'-O-Me-Ado )Cat. No.: C 070
  • 8- (4- Chlorophenylthio)guanosine ( 8-pCPT-Guo )Cat. No.: C 060
  • 6- Chloropurine ribosideCat. No.: C 058
  • 5- Chlorouridine ( 5-Cl-U )Cat. No.: C 035

     

  • 2'- Deoxy- 1, N6- ethenoadenosine ( ε-dAdo )Cat. No.: D 080
  • 2'- Deoxy- 2'- fluoroadenosine ( 2'-F-dAdo )Cat. No.: D 079
  • 2'- Deoxy- 8- hydroxyadenosine ( 8-OH-dAdo )Cat. No.: D 050
  • 2'- Deoxy- 8- hydroxyguanosine ( 8-OH-dGuo )Cat. No.: D 022
  • 2'- DeoxyguanosineCat. No.: D 065
  • 3'- Deoxyguanosine ( 3'-dG )Cat. No.: D 041
  • 2'- DeoxyinosineCat. No.: D 062
  • 3'- Deoxythymidine / 2', 3'- Dideoxythymidine ( ddT )Cat. No.: D 040
  • 3', 5'- Diamino- 3', 5'- dideoxyadenosine ( 3',5'-DA-ddA )
       Cat. No.: D 076
  • 2, 6- Dichloro- 2', 3', 5'- triacetylpurine ribosideCat. No.: D 063
  • 5, 6- Dichlorobenzimidazole riboside (DRB)Cat. No.: D 012
  • 2, 6- Dichloropurine ribosideCat. No.: D 064
  • 2', 3'- Dideoxyadenosine ( ddA )Cat. No.: D 002
  • 2', 3'- Dideoxyguanosine ( ddG )Cat. No.: D 039
  • N², N²- Dimethylguanosine ( M²2Guo )Cat. No.: D 016
  • 1, N6- Ethenoadenosine ( ε-Ado )Cat. No.: E 011
  • 8- Hydroxyadenosine ( 8-OH-Ado )Cat. No.: H 011
  • 8- Hydroxyguanosine ( 8-OH-Guo )Cat. No.: H 001
  • InosineCat. No.: I 006
  • 5- Iodotubercidin / 7- Deaza- 7- iodoadenosine ( 5-I-Tu )
       Cat. No.: I 004
  • 2', 3'- Isopropylideneguanosine ( 2',3'-Ipr-Guo )Cat. No.: I 007
  • 2', 3'- IsopropylideneinosineCat. No.: I 005
  • Ko-Libri Library of Nucleosides and NucleobasesCat. No.: K 001
  • 8- MercaptoguanosineCat. No.: M 046
  • 6- Mercaptopurine ribosideCat. No.: M 044
  • 2'- O- Methyladenosine ( 2'-O-Me-Ado )Cat. No.: M 054
  • 2'- O- MethylguanosineCat. No.: M 045
  • 6- Methylmercaptopurine ribosideCat. No.: M 043
  • 2- Methylthioadenosine ( 2-MeS-Ado )Cat. No.: M 033
  • 8- Nitroguanosine ( 8-NO2-Guo )Cat. No.: N 004
  • Purine riboside ( PuR ) / NebularineCat. No.: P 016
  • 5'- [(2, 2, 5, 5- Tetramethyl- 3- pyrrolin- 1- oxyl- 3- carboxylamino)
       adenosine ( 5'-TMPO-Ado )Cat. No.: T 010
  • 2', 3', 5'- Tri- O- benzoylguanosine ( 2',3',5'-TBnz-Guo )
       Cat. No.: T 007
  • 2', 3', 5'- TriacetylinosineCat. No.: T 006
  • N2, N2, 7- Trimethylguanosine ( m2,2,7G / TMG )Cat. No.: T 009

     


  • 2'- Amino- 2'- deoxyadenosine ( 2'-AdA )
       C10H14N6O3; MW 266.3 (for free base); λmax 258 nm; ε 15000, purity > 98% HPLC.
       Bressi et al., J. Med. Chem., 44, 2080 ? 2093 (2001).
    A 104 10 uM/ ~2.7mg, 5 x 10 uM CAS No.: [10414-81-0]

    3'- Amino- 3'- deoxyadenosine ( 3'-AdA )
       3'-AdA strongly inhibits nucleic acid labeling in Ehrlich ascites tumor cells.
       Truman & Klenow, Mol. Pharmacol., 4, 77 - 86 (1968).
    A 063 10 uM/ ~2.7mg, 5 x 10 uM CAS No.: [2504-55-4]

    3'- Amino- 3'- deoxyguanosine ( 3'-AdG )
       C10H14N6O4; MW 282.3 (for free base); λmax 252 nm; ε 13500, purity > 98% HPLC.
       Kissman et al., J. Med. Chem., 6, 407 - 409 (1963); Zielinski & Orgel, Nucl. Acids Res., 13, 2469 - 2484 (1985).
    A 064 10 uM/ ~2.7mg, 5 x 10 uM CAS No.: [80015-76-5]

    5'- Amino- 5'- deoxyadenosine ( 5'-NH2-Ado )
       Inhibitor of adenosine kinase. Detailed technical information available.
       Langer et al., Chem. Bio. Chem., 5, 1508 - 1516 (2004).
    A 021 10 uM/ ~2.7mg, 5 x 10 uM CAS No.: [14365-44-7]

    5'- Amino- 5'- deoxyguanosine ( 5'-NH2-Guo )
       5'- Amino- 5'- deoxyguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    A 078   CAS No.: [4099-84-7]

    2- Amino- 6- chloropurine riboside ( 2-NH2-6-Cl-PuR )
       2- Amino- 6- chloropurine riboside is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    A 080 CAS No.: [2004-07-1]

    5- Aminoimidazole- 4- carboxamide- 1- ß- D- ribofuranoside ( AICAR / Acadesine / Z- riboside )5'- Amino- 5'- deoxyadenosine
       C9H14N4O5; MW 258.2 (for free base); λmax 265 nm; ε 12500, purity > 98% HPLC.
       Fediuc et al., Endocrinology, 147, 5170 - 5177 (2006); Prasad et al., J. Neurosci. Res., 84, 614 - 625 (2006).
    A 103 10 uM/ ~2.6mg, 5 x 10 uM CAS No.: [2627-69-2]

    2', 3'- O- para- Anisylideneguanosine ( 2',3'-O-pAnisyl-Guo )
       2', 3'- O- para-Anisylideneguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    A 081   CAS No.: [98346-15-7]

    2- Aza- 1, N6- ethenoadenosine ( 2-Aza-ε-Ado )
       Fluorescent analogue of adenosine. λexc 358 nm; λem 494 nm at pH 5.
       Tsou et al., Nucl. Acids Res., 1, 531 - 547 (1974); Yip & Tsou, Tetrahedron Lett., 33, 3087 - 3090 (1973).
    A 086 10 uM/ ~2.9mg, 5 x 10 uM CAS No.: [50663-82-6]

    5'- Azido- 5'- deoxyguanosine ( 5'-N3-Guo)
       5'- Azido- 5'- deoxyguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    A 078 CAS No.: [42204-44-4]

    2- Amino- 6- chloropurine riboside ( 2-NH2-6-Cl-PuR )
       5'- Azido- 5'- deoxyguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    A 080 CAS No.: [2004-07-1]

    5- Aminoimidazole- 4- carboxamide- 1- ß- D- ribofuranoside ( AICAR / Acadesine / Z- riboside )
       C9H14N4O5; MW 258.2 (for free base); λmax 265 nm; ε 12500, purity > 98% HPLC.
       Fediuc et al., Endocrinology, 147, 5170 - 5177 (2006); Prasad et al., J. Neurosci. Res., 84, 614 - 625 (2006).
    A 103 10 uM/ ~2.6mg, 5 x 10 uM CAS No.: [2627-69-2]

    2', 3'- O- para- Anisylideneguanosine ( 2',3'-O-pAnisyl-Guo )
       2', 3'- O- para-Anisylideneguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    A 081 CAS No.: [98346-15-7]

    2- Aza- 1, N6- ethenoadenosine ( 2-Aza-ε-Ado )
       Fluorescent analogue of adenosine. λexc 358 nm; λem 494 nm at pH 5.
       Tsou et al., Nucl. Acids Res., 1, 531 - 547 (1974); Yip & Tsou, Tetrahedron Lett., 33, 3087 - 3090 (1973).
    A 086 10 uM/ ~2.9mg, 5 x 10 uM CAS No.: [50663-82-6]

    5'- Azido- 5'- deoxyguanosine ( 5'-N3-Guo )
       5'- Azido- 5'- deoxyguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    A 079   CAS No.: [42204-44-4]

    8- Azidoadenosine ( 8-N3-Ado )
       Analogue for affinity labeling of adenosine receptors.
       Jarvis et al., J. Biol. Chem., 261, 11077 - 11085 (1986); Viswanadhan et al., Biochim. Biophys. Acta, 1039, 356 - 366 (1990).
    A 045 100 uM/ ~31 mg, 5 x 100 uM CAS No.: [4372-67-2]

    8- Bromo- 2', 3', 5'- tri- O- acetylguanosine ( 8-Br-2',3',5'-TAc-Guo )
       8- Bromo- 2', 3', 5'- tri- O- acetylguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    B 038   CAS No.: [15717-45-0]

    8- Bromo- 2'- deoxyadenosine ( 8-Br-dAdo )
       Useful as starting structure for 2'-deoxyadenosine nucleotides modified in position 8, as cytotoxic nucleoside and of potential interest in research
       on bromine-stressed DNA.
       Jimenez et al., Photochem. Photobiol. Sci. 3, 1042 ? 1046 (2004); Coomber et al., Int. J. Parasitol., 24, 357 -365 (1994); Liu & Verdine, Tetrahedr. Lett., 33, 4265 - 4268 (1992).
    B 027 10 uM/ ~3.3 mg, 5 x 10 uM CAS No.: [14985-44-5]

    8- Bromo- 2'- deoxyguanosine ( 8-Br-dGuo )
       Useful as starting structure for 2'-deoxyguanosine nucleotides, modified in position 8, and of potential interest in research on bromine-stressed DNA.
       Esposito et al., Org. Biomol. Chem., 2, 313 - 318 (2004); Shen et al., Biochemistry, 40, 2041 - 2051 (2001); Lin, J. Med. Chem., 28, 1194 - 1198 (1985).
    B 021 10 uM/ ~3.5 mg, 5 x 10 uM CAS No.: [13389-03-2]

    8- Bromo- 2'- O- methylguanosine ( 8-Br-2'-O-Me-Guo )
       8- Bromo- 2'- O- methylguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    B 034   CAS No.: [847649-49-4]

    8- Bromoadenosine
       8- Bromoadenosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    B 033   CAS No.: [2946-39-6]

    8- Bromoguanosine
       8- Bromoguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    B 036   CAS No.: [4016-63-1]

    8- Bromoxanthosine ( 8-Br-Xao )
       8- Bromoxanthosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    B 039   CAS No.: [3001-46-5]

    N6- Carbamoylthreonyladenosine ( t6-Ado )
       Nucleoside with anticodon-adjacent base present in transfer ribonucleic acid.
       Schweizer et al., Biochem. Biophys. Res. Commun., 40, 1046 - 1052 (1970); Hagemeier et al., J. Clin. Chem. Clin. Biochem., 22, 175 - 184 (1984);
       Morin et al, RNA, 4, 24 - 37(1998).
    C 022 10 uM/ ~4,3 mg, 5 x 10 uM CAS No.: [24719-82-2]

    2- Chloro- 2'- deoxyadenosine ( 2-Cl-dAdo, Cladribine )
       Adenosine deaminase-resistant analogue with antileukemic properties, probably effective via its corresponding triphosphate.
       Beutler, Semin. Hematol., 31, 40 - 45 (1994), Wang et al., J. Biol. Chem., 268, 22847 - 22852 (1993).
    C 028 10 uM/ ~4,3 mg, 5 x 10 uM CAS No.: [4291-63-8]

    8- Chloro- 2'- deoxyadenosine ( 8-Cl-d-Ado )
       Lipophilic analogue of 2'-deoxyadenosine.
       Coomber et al., Int. J. Parasitol., 24, 357 - 365 (1994).
    C 024 5 uM/ ~1.4 mg, 5 x 5 uM CAS No.: [85562-55-6]

    5- Chloro- 2'- deoxycytidine ( CldC )
       Tumor-selective radiosensitizer and of potential interest in research on chlorine-stressed DNA.
       Hale et al., Biochem. Pharmacol., 64, 1493 - 1502 (2002).
    C 081 5 uM/ ~2.1 mg, 5 x 5 uM CAS No.: [32387-56-7]

    8- Chloro- 2'- deoxyguanosine ( 8-Cl-dGuo )
       Analogue of potential interest in research on chlorine-stressed DNA.
       Masuda et al., J. Biol. Chem., 276, 40486 - 40496 (2001).
    C 025 5 uM/ ~1.5 mg, 5 x 5 uM CAS No.: [437715-62-3]

    2- Chloroadenosine ( 2-Cl-Ado )
       Non-metabolizable, selective A (1) adenosine receptor agonist and useful as starting structure for nucleosides and nucleotides modified in position 2 of the purine nucleobase.
       Evans et al., Neurosci. Lett., 83, 287 - 292 (1987); Bellezza et al., Curr. Pharmaceut. Anal., 1, 265 - 272 (2005).
    C 017 100 uM/ ~30 mg, 5 x 100 uM CAS No.: [146-77-0]

    8- Chloroadenosine ( 8-Cl-Ado )
       Cytotoxic metabolite of 8-chloro cyclic AMP.
       Cho-Chung et al., Cancer Invest., 7, 161 - 177 (1989); Gu et al., Biochem. Pharmacol., 72, 541 - 550 (2006).
    C 006 10 uM/ ~3 mg, 5 x 10 uM CAS No.: [34408-14-5]

    5- Chlorocytidine ( 5-C-C )
       Biomarker for analysis of chlorine stressed RNA.
       Badouard et al., J. Chromatogr., 827, 26 1 31 (2005).
    C 034 5 uM/ ~1.4 mg, 5 x 5 uM CAS No.: [25130-29-4]

    8- Chloroguanosine ( 8-Cl-Guo )
       Analogue of potential interest in research on chlorine-stressed RNA.
       Masuda et al., J. Biol. Chem., 276, 40486 - 40496 (2001).
    C 026 5 uM/ ~1.6 mg, 5 x 5 uM CAS No.: [2104-68-9]

    8- Chloroguanosine ( 8-Cl-Guo )
       Analogue of potential interest in research on chlorine-stressed RNA.
       Masuda et al., J. Biol. Chem., 276, 40486 - 40496 (2001).
    C 026 5 uM/ ~1.6 mg, 5 x 5 uM CAS No.: [2104-68-9]

    2- Chloroinosine ( 2-Cl-Ino )
       Potential metabolite of 2-chloro adenosine and useful as starting structure for nucleosides and nucleotides modified in position 2 of the purine nucleobase.
       Maling et al., J. Appl. Biochem., 2, 130 - 137 (1980).
    C 021 10 uM/ ~3 mg, 5 x 10 uM CAS No.: [13276-43-2]

    8- Chloroinosine ( 8-Cl-Ino )
       Potential metabolite of 8-Cl-cAMP and 8- chloroadenosine, respectively.
       Lange-Carter et al., Cancer Res., 53, 393 - 400 (1993).
    C 019 5 uM/ ~1.5 mg, 5 x 5 uM CAS No.: [116285-77-9]

    8- (4- Chlorophenylthio)- 2'- O- methyladenosine ( 8-pCPT-2'-O-Me-Ado )
       Potential metabolite of the specific Epac activator 8-pCPT-2’-O-Me-cAMP (Cat. No C 041).
       Laxman et al., Proc. Natl. Acad. Sci. USA, 103, 19194 - 19199 (2006).
    C 070 10 uM/ ~4.2 mg, 5 x 10 uM CAS No.: [pending]

    8- (4- Chlorophenylthio)guanosine ( 8-pCPT-Guo )
       8- (4- Chlorophenylthio)guanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    C 060   CAS No.: [pending]

    6- Chloropurine riboside
       6- Chloropurine riboside is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    C 058   CAS No.: [2004-06-0]

    5- Chlorouridine ( 5-Cl-U )
       Potential biomarker for analysis of chlorine stressed RNA.
       Sierakowska et al., J. Biol. Chem., 264, 19185 ? 91 (1989).
    C 035 5 uM/ ~1.4 mg, 5 x 5 uM CAS No.: [2880-89-9]

    2'- Deoxy- 1, N6- ethenoadenosine ( ε-dAdo )
       Fluorescent analogue of 2’- deoxyadenosine, λexc 300 nm, λem 410 nm at pH 7.
       Srivastava et al., Nucl. Acids Res., 22, 1296 - 304 (1994); Eberle et al., Carcinogenesis, 10, 209 - 212 (1989).
    D 080 5 uM/ ~1.4 mg, 5 x 5 uM CAS No.: [68498-25-9]

    2'- Deoxy- 2'- fluoroadenosine ( 2'-F-dAdo )
       Adenosine analogue with antiviral properties and starting material for corresponding nucleotide syntheses.
       Rollins et al., Antiviral. Res., 21, 357 - 368 (1993); Morishita et al., Acta Crystallogr., C40, 434 - 436 (1984).
    D 079 5 uM/ ~1.3 mg, 5 x 5 uM CAS No.: [64183-27-3]

    2'- Deoxy- 8- hydroxyadenosine ( 8-OH-dAdo )
       Reference for analysis of oxidative stress DNA hydrolysates.
       Frelon et al., Free Radical Res., 36, 499 - 508 (2002); Sodum & Fiala, Chem. Res. Toxicol., 14, 438 - 450 (2001).
    D 050 5 uM/ ~1.3 mg, 5 x 5 uM CAS No.: [62471-63-0]

    2'- Deoxy- 8- hydroxyguanosine ( 8-OH-dGuo )
       Reference for analysis of oxidative stress DNA hydrolysates.
       Pilger & Ruediger, Int. Arch. Occup. Environ. Health, 80, 1 - 15 (2006); Orimo et al., Cancer Science, 97, 99 - 105 (2006).
    D 022 5 uM/ ~1.5 mg, 5 x 5 uM CAS No.: [88847-89-6]

    2'- Deoxyguanosine
       2'- Deoxyguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    D 065 CAS No.: [961-07-9]

    3'- Deoxyguanosine ( 3'-dG )
       Analogue of potential interest in antiviral and anti-amoebic research and starting structure for synthesis of corresponding di- and triphosphates.
       Ghosal et al., Int. J. Pharm., 194, 15 - 20 (2000); Jenkins et al., J. Org. Chem., 30, 2851 - 2852 (1965).
    D 041 50 uM/ ~13 mg, 5 x 50 uM CAS No.: [3608-58-0]

    2'- Deoxyinosine
       2'- Deoxyinosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    D 062 CAS No.: [890-38-0]

    3'- Deoxythymidine / 2', 3'- Dideoxythymidine ( ddT )
       Thymidine analogue of interest in antiviral research. Inhibits DNA polymerase ß and thymidine kinase.
       Yamanaka et al., Biol. Pharmaceut. Bull., 20, 163 - 167 (1997); Seiser et al., J. Mol. Biol., 265, 153 - 160 (1997).
    D 040 100 uM/ ~23 mg, 5 x 100 uM CAS No.: [3416-05-5]

    3', 5'- Diamino- 3', 5'- dideoxyadenosine ( 3',5'-DA-ddA )
       Starting structure for corresponding nucleotides and precursor for various tags.
       Morr & Ernst, Chem. Ber., 112, 2815 ? 2828 (1979).
    D 076 5 uM/ ~1.3 mg, 5 x 5 uM CAS No.: [67313-23-9]

    2, 6- Dichloro- 2', 3', 5'- triacetylpurine riboside
       2, 6- Dichloro- 2', 3', 5'- triacetylpurine riboside is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    D 063 CAS No.: [3056-18-6]

    5, 6- Dichlorobenzimidazole riboside (DRB)
       Inhibitor of casein kinase II and of RNA synthesis in eukariontic cells.
       Tamm & Sehgal, Adv. Virus Res. 22, 187 (1978).
    D 012 100 uM/ ~32 mg, 5 x 100 uM CAS No.: [53-85-0]

    2, 6- Dichloropurine riboside
       2, 6- Dichloropurine riboside is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    D 064 CAS No.: [13276-52-3]

    2', 3'- Dideoxyadenosine ( ddA )
       Inhibitor of adenylate cyclase and adenosine deaminase. Antiviral nucleoside which blocks viral reverse transcription from RNA to DNA.
       Mitsuya et al., Proc. Natl. Acad. Sci. USA, 84, 2033 (1987).
    D 002 25 uM/ ~5.9 mg, 5 x 25 uM CAS No.: [4097-22-7]

    2', 3'- Dideoxyguanosine ( ddG )
       Guanosine analogue of interest as inhibitor of guanylate cyclase and in antiviral research.
       Johnson, Mol. Pharmacol., 35, 681 - 688 (1989); Suzuki et al., Biochem. Biophys. Res. Commun., 156, 1144 - 1151 (1988);
       Walters et al., J. Pharm. Biomed. Anal., 19, 955 - 965 (1999).
    D 039 50 uM/ ~13 mg, 5 x 50 uM CAS No.: [085326-06-3]

    N², N²- Dimethylguanosine ( M²2Guo )
       Reference for analysis of degenerated RNA.
       Topp et al., Nucleosides Nucleotides, 12, 585 - 596 (1993).
    D 016 100 uM/ ~31 mg, 5 x 100 uM CAS No.: [2140-67-2]

    1, N6- Ethenoadenosine ( ε-Ado )
       Fluorescent analogue of adenosine, λexc 300 nm, λem 410 nm at pH 7.
       Srivastava et al., Nucl. Acids Res., 22, 1296 - 304 (1994); Miura et al., Anal. Biochem., 196, 84 - 88 (1991); Scheller & Sigel, J. Am. Chem. Soc., 105, 3005 - 3014 (1983).
    E 011 10 uM/ ~2.9 mg, 5 x 10 uM CAS No.: [39007-51-7]

    8- Hydroxyadenosine ( 8-OH-Ado )
       Reference for analysis of oxidative/radioactive stress RNA hydrolysates.
       Douki, T. Et al., J. Chim. Phys. Physico-Chim. Biol., 96, 138 - 142 (1999).
    H 011 5 uM/ ~1.4 mg, 5 x 5 uM CAS No.: [29851-57-8]

    8- Hydroxyguanosine ( 8-OH-Guo )
       Reference for analysis of oxidative stress RNA hydrolysates.
       Takeuchi et al, Carcinogenesis 14, 1115 (1993).
    H 001 5 uM/ ~1.5 mg, 5 x 5 uM CAS No.: [3868-31-3]

    Inosine
       Inosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    I 006 CAS No.: [58-63-9]

    5- Iodotubercidin / 7- Deaza- 7- iodoadenosine ( 5-I-Tu )
       Potent inhibitor of adenosine kinase and other protein kinases.
       Parkinson & Geiger, J. Pharmacol. Exp. Ther., 277, 1397 - 1401 (1996); Fluckiger-Isler, et al., Biochem. J., 292, 85 - 91 (1993).
    I 004 5 uM/ ~2 mg, 5 x 5 uM CAS No.: [24386-93-4]

    2', 3'- Isopropylideneguanosine ( 2',3'-Ipr-Guo )
       2', 3'- Isopropylideneguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    I 007 CAS No.: [362-76-5]

    2', 3'- Isopropylideneinosine
       2', 3'- Isopropylideneinosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    I 005 CAS No.: [2140-11-6]

    Ko-Libri Library of Nucleosides and Nucleobases
       10 mM solution of nucleobases and nucleosides dissolved in 250 μl DMSO in 1.4 ml polypropylene vials in 96 (8 x 12) well polypropylene racks. Purity of
       compounds: typically > 95% HPLC.
    K 001  

    8- Mercaptoguanosine
       8- Mercaptoguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    M 046 CAS No.: [26001-38-7]

    6- Mercaptopurine riboside
       6- Mercaptopurine ribosideis no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    M 044 CAS No.: [574-25-4]

    2'- O- Methyladenosine ( 2'-O-Me-Ado )
       Analogue with antiviral properties, starting material for 2'- methyl nucleotides.
       Wei et al., Proc. Nat. Acad. Sci. USA, 72, 318 - 322 (1975); Yamada et al., Cell. Mol. Life Sci., 54, 125 - 128 (1998).
    M 054 5 uM/ ~2 mg, 5 x 5 uM CAS No.: [2140-79-6]

    6- Mercaptopurine riboside
       6- Mercaptopurine ribosideis no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    M 044 CAS No.: [574-25-4]

    6- Methylmercaptopurine riboside
       6- Methylmercaptopurine riboside is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    M 043 CAS No.: [342-69-8]

    2- Methylthioadenosine ( 2-MeS-Ado )
       Inhibitor of human betaine-homocysteine methyltransferase expression and starting material for 2-methylthio nucleotide analogues.
       Zimmerman et al., Biochemistry, 19, 2252 - 2259 (1980); Ou et al., Biochem. J., 401, 87 - 96 (2007);
       Chattopadhyay et al., Biochem. Biophys. Res. Commun., 343, 203 - 207 (2006).
    M 033 10 uM/ ~3.1 mg, 5 x 10 uM CAS No.: [4105-39-9]

    8- Nitroguanosine ( 8-NO2-Guo )
       Reference for analysis of hydrolysates of RNA stressed by nitric oxide/superoxide and peroxynitrite, respectively.
       Masuda et al., Chem. Biol. Interact., 139, 187 - 197 (2002); Akuta et al., Nitric Oxide, 14, 101 - 108 (2006).
    N 004 5 uM/ ~1.6 mg, 5 x 5 uM CAS No.: [337536-53-5]

    Purine riboside ( PuR ) / Nebularine
       Purine riboside is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    P 016 CAS No.: [550-33-4]

    5'- [(2, 2, 5, 5- Tetramethyl- 3- pyrrolin- 1- oxyl- 3- carboxylamino)adenosine ( 5'-TMPO-Ado )
       Adenosine conjugated with the spin label TMPO for ESR experiments.
       Langer et al., Chem. Bio. Chem., 5, 1508 - 1516 (2004).
    T 010 5 uM/ ~2.2 mg, 5 x 5 uM  

    2', 3', 5'- Tri- O- benzoylguanosine ( 2',3',5'-TBnz-Guo )
       2', 3', 5'- Tri- O- benzoylguanosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases
       (Cat. No. K 001).
    T 007 CAS No.: [66048-53-1]

    2', 3', 5'- Triacetylinosine
       2', 3', 5'- Triacetylinosine is no regular product but is offered as component of the Ko-Libri library of rare nucleosides and nucleobases (Cat. No. K 001).
    T 006 CAS No.: [3181-38-2]

    N2, N2, 7- Trimethylguanosine ( m2,2,77G / TMG )
       5' cap nucleoside of small nuclear RNAs.
       Bahia et al., Nucleosides, Nucleotides & Nucleic Acids, 25, 909 - 923 (2006); Reddy et al., J. Biol. Chem., 247, 7245 - 7250 (1972);
       Liou & Blumenthal, Mol. Cell. Biol., 10, 1764 - 1768 (1990).
    T 009 5 uM/ ~1.9 mg, 5 x 5 uM CAS No.: [40027-70-1]