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Home/Compounds/Pharmaceutical Intermediate/2',2'-Difluoro-2'-deoxycytidine-3',5'-dibenzoate
C23H19F2N3O6
471.4 g/mol
Pharmaceutical Intermediate

(2R,3R,5R)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-2-((benzoyloxy)methyl)-4,4-difluorotetrahydrofuran-3-yl benzoate

CAS134790-39-9EC603-873-1
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate

This compound is a protected nucleoside analog intermediate featuring a difluoro-substituted ribose core with benzoyl ester protecting groups. It is primarily used in the synthesis of modified nucleoside analogs for pharmaceutical research and development.

Pharmaceutical intermediate for nucleoside analog synthesisBuilding block for antiviral or anticancer compound development

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Customs Tariff Classification

The international HS code for (2R,3R,5R)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-2-((benzoyloxy)methyl)-4,4-difluorotetrahydrofuran-3-yl benzoate (CAS 134790-39-9) is 2934.99.

HS code (international, 6-digit)

2934.99

EU CN code (8-digit)

2934 99 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

[(2R,3R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-benzoyloxy-4,4-difluorooxolan-2-yl]methyl benzoate

InChIKey

ZPUUYUUQQGBHBU-HGHGUNKESA-N

SMILES

C1=CC=C(C=C1)C(=O)OC[C@@H]2[C@H](C([C@@H](O2)N3C=CC(=NC3=O)N)(F)F)OC(=O)C4=CC=CC=C4

Synonyms (13)
  • Gemcitabine Impurity D

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