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Promethazine Impurity 39 CAS 857523-80-9
Purity ≥95% In Stock Pharmacopoeial Impurity Standards
CAS No. 857523-80-9
Molecular Formula C17H22N2
Molecular Weight 254.37 g/mol
Category Pharmacopoeial Impurity Standards / EP Impurities
Availability In Stock
Description CATO supplies Promethazine Impurity 39 (CAS 857523-80-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H22N2. Molecular weight: 254.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties Molecular Formula C17H22N2 Molecular Weight 254.37 g/mol Purity ≥95% Storage Store at 2-8°C, protect from light Solubility (reference) Soluble in DMSO, DMF, methanol Stability Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 8.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1987 Nitrogen Atoms 2
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