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(CAS RN:95058-81-4 Product Number:G0544)


Synonym 2'-Deoxy-2',2'-difluorocytidine

General Information

Product Number G0544

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Purity/Analysis Method >98.0%(HPLC)
Storage Temperature <0°C
M.F. / M.W. C9H11F2N3O4=263.20
CAS RN 95058-81-4
Related CAS RN 122111-03-9
MDL Number MFCD00869720
Packaging and Container
  • Product Details
  • Safety & Regulations
  • Reference & Application


Appearance White to Light yellow powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 95.0 %
Melting point 217.0 to 222.0 deg-C
Specific rotation [a]20/D 70.0 to 78.0 deg(C=1,MeOH)

Data of Reference

λmax 268(EtOH)(lit.)


Reaxys-RN 5382060
Merck Index(14) 4386
RTECS# HA3835000


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
  • H361
  • :Suspected of damaging fertility or the unborn child.
Precautionary Statements
  • P201
  • :Obtain special instructions before use.
  • P202
  • :Do not handle until all safety precautions have been read and understood.
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P302+P352+P332+P313+P362+P364
  • :If on skin: Wash with plenty of soap and water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.
  • P308+P313
  • :If exposed or concerned: Get medical advice or attention.
  • P405
  • :Store locked up.
  • P501
  • :Dispose of contents and container in accordance with local, regional, national regulations (e.g. US: 40 CFR Part 261, EU:91/156/EEC, JP: Waste Disposal and Cleaning Act, etc.).


Gemcitabine: A Fluorinated Deoxycytidine Analog with Antitumor Activity

Gemcitabine and its hydrochloride [G0367] are fluorinated deoxycytidine analogs with antitumor activity against solid tumors. Once inside the cell, gemcitabine is rapidly phosphorylated by deoxycytidine kinase to form the active metabolites gemcitabine diphosphate (dFdCDP) and gemcitabine triphosphate (dFdCTP). dFdCDP inhibits ribonucleotide reductase, which is responsible for producing the deoxynucleotides required for DNA synthesis and repair. dFdCTP can be incorporated into DNA, leading to inhibition of DNA synthesis, producing cell death in S phase (the phase of DNA synthesis). On the other hand, a concomitant treatment with gemcitabine and cisplatin [D3371] is used for the treatment of several different types of cancer. Cisplatin acts by formation of platinum (Pt)-DNA adducts; gemcitabine acts by dFdCTP incorporation into DNA, subsequently leading to inhibition of exonuclease and DNA repair. (The product is for research purpose only.)


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