Pigment Violet 19 CAS 1047-16-1

Purity >95%In StockPharmaceutical Standards
CAS No.1047-16-1
Molecular FormulaC20H12N2O2
Molecular Weight312.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pigment Violet 19 CAS 1047-16-1 chemical structure

Description

Pigment Violet 19 (CAS 1047-16-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H12N2O2. Molecular weight: 312.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H12N2O2
Molecular Weight312.32 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

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