5-Methoxy-2-methylthieno[2,3-e][1,3]benzothiazole CAS 313953-19-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 313953-19-4 |
| Molecular Formula | C11H9NOS2 |
| Molecular Weight | 235.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methoxy-2-methylthieno[2,3-e][1,3]benzothiazole (CAS 313953-19-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9NOS2. Molecular weight: 235.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9NOS2 |
| Molecular Weight | 235.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 5-Acetyl-3,4-dimethylthieno[2,3-b]thiophene-2-carbonitrile (CAS 845266-23-1)
- 6-[(Piperidin-1-yl)methyl]-2-(propan-2-yl)pyrimidin-4-ol (CAS 866155-63-7)
- 5-(4-MEthylbenzylidene)-2-thioxo-1,3-thiazolidin-4-one (CAS 875572-77-3)
- 4-Amino-7-isopropyl-2-methylisoindoline-1,3-dione (CAS 54108-78-0)
- 4-methyloxolan-2-one (CAS 1679-49-8)
- Methyl 5-cyano-4,5-dihydroisoxazole-3-carboxylate (CAS 108198-91-0)
- 4-(Methylamino)-1-(tetrahydro-2H-pyran-2-yl)pyrimidin-2(1H)-one (CAS 5580-92-7)
- 4-(Chloromethyl)-2-(5-methylthiophen-2-yl)-1,3-dioxolane (CAS 1556064-90-4)
- 7-Fluoro-2-methyl-1H-pyrrolo[2,3-c]pyridine (CAS 1448259-21-9)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
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 13829788188 / jacky.chen@cato-chem.com