6-Iodo-2H-benzo[b][1,4]thiazin-3(4H)-one CAS 875241-83-1

Purity 97%+In StockPharmaceutical Standards
CAS No.875241-83-1
Molecular FormulaC8H6INOS
Molecular Weight291.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Iodo-2H-benzo[b][1,4]thiazin-3(4H)-one CAS 875241-83-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 291.11 g/mol gives 6-Iodo-2H-benzo[b][1,4]thiazin-3(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

6-Iodo-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 875241-83-1) is a high-purity analytical reference standard with the molecular formula C8H6INOS and a molecular weight of 291.11 g/mol.

Structurally, 6-Iodo-2H-benzo[b][1,4]thiazin-3(4H)-one (C8H6INOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution. 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 291.11 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC8H6INOS
Molecular Weight291.11 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentI-containing
Nitrogen Atoms1
Sulfur Atoms1

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