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吉西他濱中間體 CAS 號:134877-42-2

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發布日期：1970/01/01

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吉西他濱中間體 CAS 號:134877-42-2

2-脫氧-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
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