Ethyl 6-(2-methoxy-2-oxoethyl)-4-((4-methoxyphenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate CAS 866134-49-8

Purity 97%+In StockPharmaceutical Standards
CAS No.866134-49-8
Molecular FormulaC21H23NO8S
Molecular Weight449.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 6-(2-methoxy-2-oxoethyl)-4-((4-methoxyphenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate CAS 866134-49-8 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.

Ethyl 6-(2-methoxy-2-oxoethyl)-4-((4-methoxyphenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (CAS 866134-49-8) is a high-purity analytical reference standard with the molecular formula C21H23NO8S and a molecular weight of 449.47 g/mol.

Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Ethyl 6-(2-methoxy-2-oxoethyl)-4-((4-methoxyphenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 449.47 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 Ethyl 6-(2-methoxy-2-oxoethyl)-4-((4-methoxyphenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate 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 FormulaC21H23NO8S
Molecular Weight449.47 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
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1
Sulfur Atoms1

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