(4<I>R</I>,4′<I>R</I>,5<I>S</I>,5′<I>S</I>)-2,2′-( 1-Methylethylidene CAS 157904-67-1

Purity 97%+In StockPharmaceutical Standards
CAS No.157904-67-1
Molecular FormulaC33H30N2O2
Molecular Weight486.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4<I>R</I>,4′<I>R</I>,5<I>S</I>,5′<I>S</I>)-2,2′-( 1-Methylethylidene CAS 157904-67-1 chemical structure

Description

(4<I>R</I>,4′<I>R</I>,5<I>S</I>,5′<I>S</I>)-2,2′-( 1-Methylethylidene (CAS 157904-67-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C33H30N2O2. Molecular weight: 486.60 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC33H30N2O2
Molecular Weight486.60 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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
Degree of Unsaturation (DBE)20.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2002
Nitrogen Atoms2

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