Sulfisoxazole-13C6 CAS 1334378-46-9

Purity >95%In StockPharmaceutical Standards
CAS No.1334378-46-9
Molecular FormulaC5[13C]6H13N3O3S
Molecular Weight273.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Sulfisoxazole-13C6 CAS 1334378-46-9 chemical structure

Description

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

CATO supplies Sulfisoxazole-13C6 (CAS 1334378-46-9), a certified reference material (molecular formula C5[13C]6H13N3O3S, MW 273.26 g/mol) for analytical method development and quality control.

Based on its molecular formula C5[13C]6H13N3O3S, Sulfisoxazole-13C6 contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 273.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures Sulfisoxazole-13C6 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.

Physical & Chemical Properties

Molecular FormulaC5[13C]6H13N3O3S
Molecular Weight273.26 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1991
Nitrogen Atoms3
Sulfur Atoms1

Related Sulfisoxazole Standards

Recommended Standards

Why CATO?