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Full Catalog (page 24)
Product Number Product Name Molecular Formula Cas. No.

PY 7110

N4-Benzoyl-2'-O-
methylcytidine

C17H19N3O6 

52571-45-6 

PY 7114

5-Chloro-2'-deoxycytidine

C9H12ClN3O4 

32387-56-7 

PY 7115

5-Bromo-2'-deoxycytidine

C9H12BrN3O4 

1022-79-3 

PY 7117

5-Bromo-2'-deoxyuridine

C9H11BrN2O5 

59-14-3 

PY 7118

5-Bromouridine

C9H11BrN2O6 

957-75-5 

PY 7120

3'-O-(t-Butyldimethylsilyl)-5'-
deoxy-5'-(1,3-diphenyl-2-
imidazolidinyl)thymidine

C30H40N4O4Si 

149741-58-2 

Description

3'-Protected precursor of 5'-formylthymidine. Regeneration of the 5'-aldehyde can be accomplished treatment with a mild acid. Steglich, W., et al., Tetrahedron, 1988, 44, 7177.

PY 7130

3'-O-(t-Butyldimethylsilyl)
thymidine

C16H28N2O5Si 

40733-27-5 

PY 7140

5'-O-(t-Butyldimethylsilyl)
thymidine

C16H28N2O5Si 

40733-28-6 

PY 7150

3',5'-bis-O-(t-
Butyldimethylsilyl)thymidine

C22H42N2O5Si2 

40733-26-4 

PY 7160

3',5'-bis-O-(t-
Butyldimethylsilyl)-O4-(2,4,6-
triisopropylphenylsulfonyl)
thymidine

C37H64N2O7SSi2 

114021-22-6 

Notes

Reagent which may be used for preparation of 4-substituted 5-methyl-pyrimidine-2'-deoxynucleosides.

PY 7170

(E)-5-(2-Carbomethoxyvinyl)-2'-
deoxyuridine

C13H16N2O7 

86163-17-9 

PY 7172

(E)-5-(2-Carbomethoxyvinyl)
uridine

C13H16N3O8 

58931-19-4 

PY 7180

(E)-5-(2-Carboxyvinyl)-2'-
deoxyuridine

C12H14N2O7 

74131-06-9 

PY 7185

(E)-5-(2-Carboxyvinyl)
uridine

C12H14N2O8 

99394-52-2 

Notes

We offer several 5-substituted uracil nucleosides bearing various functional groups in the 5-substituent.

PY 7190

(E)-5-(2-Carboxyvinyl)-2'-
deoxyuridine N-
Hydroxysuccinimide Ester

C16H17N3O9 

869355-24-8 

PY 7200

S4-(2-Cyanoethyl)-5'-O-
(dimethoxytrityl)-4-thiothymidine

C34H35N3O6S 

142409-74-3 

PY 7210

S4-(2-Cyanoethyl)-4-
thiothymidine

C13H17N3O4S 

869355-26-0 

PY 7212

S4-(2-Cyanoethyl)-4-thio-2'-
deoxyuridine

C12H15N3O4S 

136055-15-7 

PY 7215

Cytidine

C9H13N3O5 

65-46-3 

PY 7216

2'-Deoxycytidine

C9H13N3O4 

951-77-9 

PY 7217

2'-Deoxycytidine Hydrochloride

C9H13N3O4 HCl 

3992-42-5 

PY 7219

5'-Azido-2',5'-dideoxycytidine

C9H12N6O3 

4803-88-7 

PY 7220

3'-Deoxycytidine

C9H13N3O4 

7057-33-2 

Notes

This material contains no 2'-deoxycytidine.

PY 7230

5'-O-(Dimethoxytrityl)-5,6-
dihydro-2'-deoxyuridine

C30H30N2O7 

869355-28-2 

PY 7240

5'-O-(Dimethoxytrityl)-5-methyl-
3'-deoxyuridine

C31H32N2O7 

114551-15-4 

PY 7245

N4-Ethyl-2'-
deoxycytidine

C11H17N3O4 

70465-61-1 



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