Raltitrexed Impurity 4 CAS 39978-57-9

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.39978-57-9
Molecular FormulaC5H2ClNO3S
Molecular Weight191.59 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Raltitrexed Impurity 4 CAS 39978-57-9 chemical structure

Description

Raltitrexed Impurity 4 (CAS 39978-57-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C5H2ClNO3S. Molecular weight: 191.59 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC5H2ClNO3S
Molecular Weight191.59 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1968
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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