2-Butenedioic acid (2E)-, polymer with 1,3-butadiene and ethenylbenzene, ammonium salt CAS 67801-75-6

Purity 97%+In StockPharmaceutical Standards
CAS No.67801-75-6
Molecular FormulaC4H3O4 C8H8 C4H6 H4N
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Butenedioic acid (2E)-, polymer with 1,3-butadiene and ethenylbenzene, ammonium salt CAS 67801-75-6 chemical structure

Description

2-Butenedioic acid (2E)-, polymer with 1,3-butadiene and ethenylbenzene, ammonium salt (CAS 67801-75-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3O4 C8H8 C4H6 H4N. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC4H3O4 C8H8 C4H6 H4N
Molecular Weight291.35 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Nitrogen Atoms1

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