(E)-4-(1-naphthalenylamino)-4-oxo-2-butenoic acid (E)-4-(naphthalen-1-ylamino)-4-oxidanylidene-but-2-enoic acid 355-41-9 A822856 CAS 355-41-9

Purity 97%+In StockPharmaceutical Standards
CAS No.355-41-9
Molecular FormulaC14H11NO3
Molecular Weight241.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-4-(1-naphthalenylamino)-4-oxo-2-butenoic acid (E)-4-(naphthalen-1-ylamino)-4-oxidanylidene-but-2-enoic acid 355-41-9 A822856 CAS 355-41-9 chemical structure

Description

(E)-4-(1-naphthalenylamino)-4-oxo-2-butenoic acid (E)-4-(naphthalen-1-ylamino)-4-oxidanylidene-but-2-enoic acid 355-41-9 A822856 (CAS 355-41-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H11NO3. Molecular weight: 241.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC14H11NO3
Molecular Weight241.24 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms1

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