4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate CAS 91788-39-5

Purity 97%+In StockPharmaceutical Standards
CAS No.91788-39-5
Molecular FormulaC20H18NO10S2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate CAS 91788-39-5 chemical structure

Description

The occurrence of 4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate (CAS 91788-39-5), a certified reference material (molecular formula C20H18NO10S2ClO4, MW 595.93 g/mol) for analytical method development and quality control.

Structurally, 4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate (C20H18NO10S2ClO4) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 595.93 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

As a certified reference material (CRM), 4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H18NO10S2 ClO4
Molecular Weight595.93 g/mol
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms2

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