4-Chloro-5-(5-methylthiophen-2-yl)thieno[2,3-d]pyrimidine CAS 885524-21-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 885524-21-0 |
| Molecular Formula | C11H7ClN2S2 |
| Molecular Weight | 266.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-(5-methylthiophen-2-yl)thieno[2,3-d]pyrimidine (CAS 885524-21-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H7ClN2S2. Molecular weight: 266.77 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-Chloro-2-methyl-5-(thiophen-2-yl)thieno[2,3-d]pyrimidine (CAS 243669-62-7)
- 6-Chloro-4-(methylsulfanyl)-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2,4,6,10,12-hexaene (CAS 478077-24-6)
- 4-Chloro-2-(2,6-dimethylpiperidine-1-carbonyl)aniline (CAS 953745-28-3)
- 1-(3,4-Dihydroquinolin-1(2H)-yl)-4-hydroxybutan-1-one (CAS 1226229-73-7)
- n-[(2-nitrophenyl)methyl]cyclopropanamine (CAS 884501-98-8)
- 1-Benzyl-4-{4-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-2-yl}piperazine (CAS 88268-01-3)
- n-(1-(2-Aminoethyl)piperidin-4-yl)-3-methylbutanamide (CAS 1343017-97-9)
- 3-(aminomethyl)-1,1-difluoropentane hydrochloride (CAS 1909305-91-4)
- 2-Chloro-6-(4-(trifluoromethyl)phenyl)pyrazine (CAS 637352-84-2)
- endo-Gly31-Semaglutide (CAS CATO-C4X-2226282)
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