3-methyl-3,4-dihydro-2H-1,4-benzothiazine CAS 87012-20-2
| CAS No. | 87012-20-2 |
| Molecular Formula | C9H11NS |
| Molecular Weight | 165.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-methyl-3,4-dihydro-2H-1,4-benzothiazine 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.
CATO supplies 3-methyl-3,4-dihydro-2H-1,4-benzothiazine (CAS 87012-20-2), a certified reference material (molecular formula C9H11NS, MW 165.26 g/mol) for analytical method development and quality control.
Structurally, 3-methyl-3,4-dihydro-2H-1,4-benzothiazine (C9H11NS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 165.26 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H11NS |
| Molecular Weight | 165.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related methyl Standards
- 2,3-dihydro-1-benzothiophen-3-ylmethanamine (CAS 1528707-80-3)
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- 2-Methyl-3,4-dihydro-2H-1,4-benzothiazine (CAS 58960-00-2)
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- 1-(Difluoromethyl)-2,3,4-trifluorobenzene (CAS 1214329-84-6)
- Glycine Impurity 6（Glycine EP Impurity F） HCI (CAS 25951-24-0(free base))
- (2-ethylbut-1-en-1-yl)benzene (CAS 33143-15-6)
- 2,2-Bis(4-hydroxy-2-oxo-2H-chromen-3-yl)acetic acid (CAS 567-83-9)
- 7-Amino-6-fluoro-1-methylquinolin-2(1H)-one (CAS 106372-81-0)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}-1-(3-methoxypropyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 338399-23-8)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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