Methyl 3-phenyl-5,6-dihydro-1,4-oxathiine-2-carboxylate 4,4-dioxide CAS 119804-66-9

Purity 97%+In StockPharmaceutical Standards
CAS No.119804-66-9
Molecular FormulaC12H12O5S
Molecular Weight268.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 3-phenyl-5,6-dihydro-1,4-oxathiine-2-carboxylate 4,4-dioxide CAS 119804-66-9 chemical structure

Description

Methyl 3-phenyl-5,6-dihydro-1,4-oxathiine-2-carboxylate 4,4-dioxide (CAS 119804-66-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12O5S. Molecular weight: 268.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H12O5S
Molecular Weight268.29 g/mol
Purity97%+
StorageStore at 2-8°C, 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; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Sulfur Atoms1

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