Pigment Orange 13 CAS 3520-72-7

Purity Technical GradeIn StockPharmaceutical Standards
CAS No.3520-72-7
Molecular FormulaC32H24Cl2N8O2
Molecular Weight623.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pigment Orange 13 CAS 3520-72-7 chemical structure

Description

Pigment Orange 13 (CAS 3520-72-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C32H24Cl2N8O2. Molecular weight: 623.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC32H24Cl2N8O2
Molecular Weight623.49 g/mol
PurityTechnical Grade
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)24.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Halogen ContentCl-containing
Nitrogen Atoms8

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