3,4-pyridinedicarboxylic acid 490-11-9 InChI=1/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12 pyridine-3,4-dicarboxylic acid CAS 490-11-9

Purity 97%+In StockPharmaceutical Standards
CAS No.490-11-9
Molecular FormulaC7H11NO4
Molecular Weight173.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-pyridinedicarboxylic acid 490-11-9 InChI=1/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12 pyridine-3,4-dicarboxylic acid CAS 490-11-9 chemical structure

Description

CATO supplies 3,4-pyridinedicarboxylic acid 490-11-9 InChI=1/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12 pyridine-3,4-dicarboxylic acid (CAS 490-11-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H11NO4. Molecular weight: 173.17 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC7H11NO4
Molecular Weight173.17 g/mol
AppearanceWhite to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Nitrogen Atoms1

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