1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester, polymer with 1,5-dimethyl dihydrogen 1,2,4,5-benzenetetracarboxylate and 4,4'-[[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis(4,1-phenyleneoxy)]bis[benzenamine] CAS 125304-20-3

Purity 97%+In StockPharmaceutical Standards
CAS No.125304-20-3
Molecular FormulaC27H20F6N2O2 2*C12H10O8
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester, polymer with 1,5-dimethyl dihydrogen 1,2,4,5-benzenetetracarboxylate and 4,4'-[[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis(4,1-phenyleneoxy)]bis[benzenamine] CAS 125304-20-3 chemical structure

Description

1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester, polymer with 1,5-dimethyl dihydrogen 1,2,4,5-benzenetetracarboxylate and 4,4'-[[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis(4,1-phenyleneoxy)]bis[benzenamine] (CAS 125304-20-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H20F6N2O2 2*C12H10O8. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC27H20F6N2O2 2*C12H10O8
Molecular Weight800.66 g/mol
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)23.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1992
Halogen ContentF-containing
Nitrogen Atoms2

Related Benzenetetracarboxylic Standards

Recommended Standards

Why CATO?