Thieno[2,3-d]thiazole CAS 251-43-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 251-43-4 |
| Molecular Formula | C5H3NS2 |
| Molecular Weight | 141.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Thieno[2,3-d]thiazole (CAS 251-43-4) pharmaceutical standards reference standard. Molecular formula: C5H3NS2. Molecular weight: 141.21 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H3NS2 |
| Molecular Weight | 141.21 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 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Thieno Standards
- Thieno[3,4-b]thiophene (CAS 250-65-7)
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- 4H-Thieno[2,3-c]pyrrol-6(5H)-one (CAS 79472-22-3)
- Thieno[2,3-b]pyrazine (CAS 56088-28-9)
- Thieno[2,3-c]pyridazine (CAS 58247-21-5)
- Thieno[2,3-d]pyridazine (CAS 272-15-1)
- Thieno[3,2- d]pyrimidine (CAS 272-68-4)
- Thieno[3,2-c]pyridazine (CAS 22390-25-6)
Recommended Standards
- rel-(3aR,5S,7aS)-2,3,3a,4,5,6,7,7a-Octahydro-1H-isoindol-5-ol (CAS 52865-08-4)
- Trachelanthamidine (CAS 526-64-7)
- rel-(3aR,5R,7aS)-2,3,3a,4,5,6,7,7a-Octahydro-1H-isoindol-5-ol (CAS 52865-09-5)
- 5-Chlorothiabendazole (CAS 142383-75-3)
- 4,4'-(2-(4-Bromophenyl)-2-phenylethene-1,1-diyl)bis(N,N-dimethylaniline) (CAS 1071547-23-3)
- 6-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)naphthalen-2-ol (CAS 2096994-99-7)
- 3,5-Difluoro-4-methoxybenzohydrazide (CAS 455-55-0)
- N-allyl-6-phenyl-3-(pyridin-2-yl)-1,2,4-triazin-5-amine (CAS 866130-94-1)
- 3-Chloro-5-iodobenzoyl chloride (CAS 1261730-81-7)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
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