Rifampicin Impurity 4 CAS 16783-99-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.16783-99-6
Molecular FormulaC41H56N4O11
Molecular Weight780.90 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Rifampicin Impurity 4 CAS 16783-99-6 chemical structure

Description

Rifampicin Impurity 4 (CAS 16783-99-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C41H56N4O11. Molecular weight: 780.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC41H56N4O11
Molecular Weight780.90 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Nitrogen Atoms4

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