7-Methoxy-2,4-dimethyl-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide CAS 1000575-78-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1000575-78-9
Molecular FormulaC10H12N2O4S
Molecular Weight256.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-Methoxy-2,4-dimethyl-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide CAS 1000575-78-9 chemical structure

Description

As a certified reference material (CRM), 7-Methoxy-2,4-dimethyl-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide 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.

7-Methoxy-2,4-dimethyl-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 1000575-78-9) is a high-purity analytical reference standard with the molecular formula C10H12N2O4S and a molecular weight of 256.28 g/mol.

Structurally, 7-Methoxy-2,4-dimethyl-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (C10H12N2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 256.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC10H12N2O4S
Molecular Weight256.28 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms2
Sulfur Atoms1

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