cis-4-Methyl-1,2-3,6-tetrahydrophthalic Anhydride CAS 1694-82-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1694-82-2
Molecular FormulaC9H10O3
Molecular Weight166.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

cis-4-Methyl-1,2-3,6-tetrahydrophthalic Anhydride CAS 1694-82-2 chemical structure

Description

High-purity cis-4-Methyl-1,2-3,6-tetrahydrophthalic Anhydride (CAS 1694-82-2) pharmaceutical standards reference standard. Molecular formula: C9H10O3. Molecular weight: 166.17 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC9H10O3
Molecular Weight166.17 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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