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    吉西他滨中间体 CAS 号:134877-42-2

  • CAS No. :134877-42-2
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吉西他滨中间体 CAS 号:134877-42-2

2-脱氧-2,2-二氟-alpha-D-赤式-呋喃戊糖 3,5-二苯甲酸酯 1-甲烷磺酸酯

2-Deoxy-2,2-difluoro-alpha-D-erythro-pentofuranose  

3,5-dibenzoate-1-methanesulfonate

Chemical Name

2-Deoxy-2,2-difluoro-alpha-D-erythro-pentofuranose 3,5-dibenzoate 1-methanesulfonate

CAS Number

134877-42-2

Molecular Formula

C20H18F2O8S

Molecular Weight

456.41

MolecularStructure

H2G7(0I5AP7%DT(8IPWJFVV.png

Packing

1kg/tin

Storage

Store in a cool, dry place, away from direct heat and light.

Application

Intermediate of Gemcitabine


SPECIFICATION

Items

Specification

Appearance

White or almost white crystalline powder

Identification

The retention time of the major perk in the chromatogram of the sample preparation corresponds to that of the major peak in the standard preparation.

Purity (PHLC.Area%)
   -  Both isomers 
   -  α-isomer


NLT 98.0%
NLT 95.0%

Loss on drying

NMT 2.0%

Standard

Factory Standard

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