4-Chloro-2,5,6-trimethylthieno[2,3-d]pyrimidine CAS 83548-58-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83548-58-7 |
| Molecular Formula | C9H9ClN2S |
| Molecular Weight | 212.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Chloro-2,5,6-trimethylthieno[2,3-d]pyrimidine (CAS 83548-58-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H9ClN2S. Molecular weight: 212.70 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H9ClN2S |
| Molecular Weight | 212.70 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
- 4-Chloro-2-propylthieno[2,3-d]pyrimidine (CAS 1250679-79-8)
- 4-Chloro-2-(propan-2-yl)thieno[2,3-d]pyrimidine (CAS 1251278-87-1)
- 4-Chloro-2-ethyl-7-methylthieno[3,2-d]pyrimidine (CAS 1388056-60-7)
- 5-Chloro-1-methyl-2-(methylthio)-1H-benzo[d]imidazole (CAS 145543-38-0)
- 4-Chloro-6-ethyl-2-methylthieno[2,3-d]pyrimidine (CAS 152998-85-1)
- 3-Chloro-4-methyl-3a,7a-dihydrobenzo[b]thiophene-2-carbaldehyde (CAS 84258-82-2)
- 4-Chloro-2-isopropylthieno[3,2-d]pyrimidine (CAS 443149-46-0)
- 4-Chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine (CAS 439692-90-7)
Recommended Standards
- 3-(Chloromethyl)-1-methyl-5-(thiophen-2-yl)-1H-pyrazole (CAS 876316-61-9)
- 2-(5-Chlorobenzo[d]thiazol-2-yl)ethan-1-amine (CAS 210428-37-8)
- 4-Chloro-6-isopropylthieno[2,3-d]pyrimidine (CAS 439692-52-1)
- Ethyl (2S,4R)-4-methylpyrrolidine-2-carboxylate (CAS 165273-06-3)
- 2-(2,4-difluorophenyl)propan-1-amine (CAS 1096815-88-1)
- Phenol compound with 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine (1:1) (CAS 57671-19-9)
- Docetaxel Impurity 69 (CAS 155396-69-3)
- 2-Methyl-2-[3-(trifluoromethyl)phenoxy]-propanoyl chloride (CAS 4878-30-2)
- 7,8,9,10-Tetrahydro-6H-azepino[1,2-a]benzimidazol-3-amine (CAS 379726-16-6)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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