3,4-Dihydro-4-methyl-3-oxo-2H-1,4-benzothiazine-7-sulphonyl chloride 1,1-dioxide CAS 874840-15-0
| CAS No. | 874840-15-0 |
| Molecular Formula | C9H8ClNO5S2 |
| Molecular Weight | 309.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,4-Dihydro-4-methyl-3-oxo-2H-1,4-benzothiazine-7-sulphonyl chloride 1,1-dioxide.
3,4-Dihydro-4-methyl-3-oxo-2H-1,4-benzothiazine-7-sulphonyl chloride 1,1-dioxide (CAS 874840-15-0), molecular formula C9H8ClNO5S2 and molecular weight 309.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,4-Dihydro-4-methyl-3-oxo-2H-1,4-benzothiazine-7-sulphonyl chloride 1,1-dioxide (C9H8ClNO5S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine 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 309.75 g/mol, it falls into the moderately-high-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.
CATO manufactures 3,4-Dihydro-4-methyl-3-oxo-2H-1,4-benzothiazine-7-sulphonyl chloride 1,1-dioxide 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 Formula | C9H8ClNO5S2 |
| Molecular Weight | 309.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Dihydro Standards
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2-(methylthio)phenyl)methanone (CAS 898763-02-5)
- (3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2-(methylthio)phenyl)methanone (CAS 898789-90-7)
- (3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(4-(methylthio)phenyl)methanone (CAS 898789-92-9)
- (4-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(4-(methylthio)phenyl)methanone (CAS 898763-97-8)
- 898763-95-6 {4-[(2,5-Dihydro-1H-pyrrol-1-yl)methyl]phenyl}[2-(methylsulfanyl)phenyl]methanone DTXSID10643023 (CAS 898763-95-6)
- N-(2,3-Dihydro-1H-inden-2-yl)-6-(4-methylpiperazin-1-yl)pyrimidin-4-amine (CAS 1344704-10-4)
- 1-(2,3-Dihydro-1h-indene-5-sulfonyl)piperidine-4-carboxylic acid (CAS 870693-01-9)
- 1-(2,3-Dihydro-1H-benzo[d]imidazo[1,2-a]imidazol-1-yl)-3-(3,5-dimethyl-1H-pyrazol-4-yl)propan-1-one (CAS 1286696-50-1)
Recommended Standards
- 2-Chloro-n-[4-methyl-2,5-dioxo-4-(2-phenylethyl)imidazolidin-1-yl]acetamide (CAS 956728-19-1)
- 3-Chloro-1-((4-methylpiperazin-1-yl)methyl)-5-nitro-1H-indazole (CAS 89331-89-5)
- 2-Chloro-N-(naphthalen-1-ylmethyl)-1H-purin-6-amine (CAS 481687-84-7)
- 3-Phenylimidazo[1,2-a]pyridine (CAS 92961-15-4)
- 4-Chloro-3-fluorobenzene-1,2-diol (CAS 162757-53-1)
- 1,3-Dichloro-5-nitro-2-propoxybenzene (CAS 90650-27-4)
- 3,3’,5,5’-TETRAMETHYL-BIPHENYL-2,2’,6,6’-TETRAOL (CAS 1040379-11-0)
- 2-(6-Methyl-3-indolyl)-2-oxoacetic Acid (CAS 1094511-56-4)
- Naphthacene (CAS 92-24-0)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(2,4-dimethoxypyrimidin-5-yl)urea (CAS 1448037-97-5)
- DL-1-Hydroxyproline (CAS 36901-87-8)
- 2-Azabicyclo[2.2.1]heptan-7-ol hydrochloride (CAS 1212076-88-4)
- Ethyl 2-imino-2-isopropoxyacetate (CAS 124292-87-1)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com