2-Chloro-5,6-dimethylthieno[2,3-d]pyrimidine CAS 83259-32-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83259-32-9 |
| Molecular Formula | C8H7ClN2S |
| Molecular Weight | 198.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-Chloro-5,6-dimethylthieno[2,3-d]pyrimidine (CAS 83259-32-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H7ClN2S. Molecular weight: 198.67 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H7ClN2S |
| Molecular Weight | 198.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-Chloro-2-methylbenzo[d]thiazol-6-amine (CAS 101253-50-3)
- 4-Chloro-5,6-dimethylthieno[2,3-d]pyrimidine (CAS 108831-68-1)
- 6-Chloro-5-methyl-1,2-benzisothiazol-3-amine (CAS 1126424-36-9)
- 4-Chloro-N-methyl-2-benzothiazolamine (CAS 118221-28-6)
- 2-Chloro-6-ethylthieno[2,3-d]pyrimidine (CAS 1225634-75-2)
- 4-Chloro-2,6-dimethylthieno[3,2-d]pyrimidine (CAS 1233025-67-6)
- 4-Chloro-7-methylbenzo[d]thiazol-2-amine (CAS 126920-72-7)
- 4-Chloro-2-methylbenzo[d]thiazol-6-amine (CAS 1369347-68-1)
Recommended Standards
- 2-Chloro-4-methyl-6-(methylthio)nicotinonitrile (CAS 51564-48-8)
- 2-chloropyridine-3-sulfonamide (CAS 38025-93-3)
- 2-Amino-5-chloro-4-methylbenzothiazole (CAS 65373-18-4)
- 201929-90-0 {3-[4-(2,6-Dimethylphenyl)piperazin-1-yl]propyl}amine MFCD15732524 (CAS 201929-90-0)
- 2-(1,3-Dioxoisoindolin-2-yl)-2-phenylacetic acid (CAS 4695-37-8)
- Pitavastatin Impurity 66 (CAS CATO-C4X-103766)
- 3-(5-Amino-2,3-dimethoxyphenyl)propanoic acid hydrochloride (CAS 1211459-63-0)
- 2,6-Diacetyl-2,4,6,8-tetraazabicyclo[3.3.1]nonane-3,7-dione (CAS 413572-54-0)
- ethyl (2S,5R)-5-phenylpyrrolidine-2-carboxylate (CAS 158567-93-2)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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