5,7-Dioxo-4,5-dihydrothiazolo[4,5-d]pyrimidin-6(7H)-yl benzenesulfonate CAS 18903-21-4

Purity 97%+In StockPharmaceutical Standards
CAS No.18903-21-4
Molecular FormulaC11H7N3O5S2
Molecular Weight325.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,7-Dioxo-4,5-dihydrothiazolo[4,5-d]pyrimidin-6(7H)-yl benzenesulfonate CAS 18903-21-4 chemical structure

Description

5,7-Dioxo-4,5-dihydrothiazolo[4,5-d]pyrimidin-6(7H)-yl benzenesulfonate (CAS 18903-21-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7N3O5S2. Molecular weight: 325.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC11H7N3O5S2
Molecular Weight325.32 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms3
Sulfur Atoms2

Related Dioxo Standards

Recommended Standards

Why CATO?