Metamizole EP Impurity E Sodium Salt CAS 129-89-5

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.129-89-5
Molecular FormulaC12H14N3O4S Na
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Metamizole EP Impurity E Sodium Salt CAS 129-89-5 chemical structure

Description

High-purity Metamizole EP Impurity E Sodium Salt (CAS 129-89-5) pharmacopoeial impurity standards reference standard. Molecular formula: C12H14N3O4S Na. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC12H14N3O4S Na
Molecular Weight319.31 g/mol
Purity>95%
StorageStore at 2-8°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
Degree of Unsaturation (DBE)7.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms3
Sulfur Atoms1

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