4-Chloro-2-methyl-5-(thiophen-2-yl)thieno[2,3-d]pyrimidine CAS 243669-62-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 243669-62-7 |
| Molecular Formula | C11H7ClN2S2 |
| Molecular Weight | 266.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-methyl-5-(thiophen-2-yl)thieno[2,3-d]pyrimidine (CAS 243669-62-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7ClN2S2. Molecular weight: 266.77 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H7ClN2S2 |
| Molecular Weight | 266.77 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chloro Standards
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Recommended Standards
- 4-Chloro-2-(2,6-dimethylpiperidine-1-carbonyl)aniline (CAS 953745-28-3)
- 4-Chloro-5-(5-methylthiophen-2-yl)thieno[2,3-d]pyrimidine (CAS 885524-21-0)
- 4-Amino-2-chloro-n-cyclohexyl-n-methylbenzamide (CAS 63497-59-6)
- 3-(2-(Methylthio)ethyl)piperidine (CAS 1248723-55-8)
- But-3-ene-1,2,3-tricarboxylic acid (CAS 26326-05-6)
- N-(3-Methanethiosulfonylpropyl) Phenothiazine (CAS 1391052-14-4)
- 1-(4-Fluoro-2-(trifluoromethyl)phenyl)cyclopropan-1-amine (CAS 1314755-22-0)
- Trimethoxy(4-phenylbutyl)silane (CAS 152958-91-3)
- 1H-PYrrolo[2,3-b]pyridine-3-sulfonic acid (4-fluoro-phenyl)-amide (CAS 1197852-65-5)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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