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Ergotamine Impurity 5 CAS 4238-84-0
Purity >95% In Stock Pharmacopoeial Impurity Standards
CAS No. 4238-84-0
Molecular Formula C18H21N3O
Molecular Weight 295.38 g/mol
Category Pharmacopoeial Impurity Standards / EP Impurities
Availability In Stock
Description Ergotamine Impurity 5 (CAS 4238-84-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H21N3O. Molecular weight: 295.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties Molecular Formula C18H21N3O Molecular Weight 295.38 g/mol Appearance Pale yellow to yellow crystalline powder 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) 10.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1958 Nitrogen Atoms 3
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