Home > Pharmacopoeial Impurity Standards > Epinastine Impurity 34 (76838-40-9)
Epinastine Impurity 34 CAS 76838-40-9
Purity >95% In Stock Pharmacopoeial Impurity Standards
CAS No. 76838-40-9
Molecular Formula C21H18N2OS
Molecular Weight 346.45 g/mol
Category Pharmacopoeial Impurity Standards / EP Impurities
Availability In Stock
Description CATO supplies Epinastine Impurity 34 (CAS 76838-40-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H18N2OS. Molecular weight: 346.45 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties Molecular Formula C21H18N2OS Molecular Weight 346.45 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) 14.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1978 Nitrogen Atoms 2 Sulfur Atoms 1
Related Epinastine Standards
« Bis((3-chloro-1,2,4-thiadiazol-5-yl)thio)methane N-((4-phenoxyphenyl)carbamothioyl)benzamide »
Why CATO?
ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
130,000+ catalog items in stock, COA supplied with every batch
Worldwide shipping with full export documentation (HS code guidance available)
Technical support: +86 13829788188 / jacky.chen@cato-chem.com