Sodium 5,5'-((3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoate) CAS 13186-45-3

Purity 97%+In StockPharmaceutical Standards
CAS No.13186-45-3
Molecular FormulaC22H11O9
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Sodium 5,5'-((3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoate) CAS 13186-45-3 chemical structure

Description

CATO manufactures Sodium 5,5'-((3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoate) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

CATO supplies Sodium 5,5'-((3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoate) (CAS 13186-45-3), a certified reference material (molecular formula C22H11O9Na, MW 442.31 g/mol) for analytical method development and quality control.

Structurally, Sodium 5,5'-((3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)methylene)bis(2-hydroxybenzoate) (C22H11O9Na) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.5, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 442.31 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC22H11O9 3*Na
Molecular Weight442.31 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)17.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1960

Recommended Standards

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