2-Butenedioic acid (2E)-, polymer with 1,2-ethanediol and 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione CAS 82168-35-2

Purity 97%+In StockPharmaceutical Standards
CAS No.82168-35-2
Molecular FormulaC9H2Cl6O3 C4H4O4 C2H6O2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Butenedioic acid (2E)-, polymer with 1,2-ethanediol and 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione CAS 82168-35-2 chemical structure

Description

2-Butenedioic acid (2E)-, polymer with 1,2-ethanediol and 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione (CAS 82168-35-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H2Cl6O3 C4H4O4 C2H6O2. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC9H2Cl6O3 C4H4O4 C2H6O2
Molecular Weight548.95 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Halogen ContentCl-containing

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