Camptothecin Impurity 12 CAS 19685-10-0

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.19685-10-0
Molecular FormulaC21H18N2O5
Molecular Weight378.38 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Camptothecin Impurity 12 CAS 19685-10-0 chemical structure

Description

CATO supplies Camptothecin Impurity 12 (CAS 19685-10-0), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H18N2O5. Molecular weight: 378.38 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC21H18N2O5
Molecular Weight378.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms2

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