4-Chloro-2,5-diphenylthieno[2,3-d]pyrimidine CAS 83548-63-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83548-63-4 |
| Molecular Formula | C18H11ClN2S |
| Molecular Weight | 322.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2,5-diphenylthieno[2,3-d]pyrimidine (CAS 83548-63-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H11ClN2S. Molecular weight: 322.81 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H11ClN2S |
| Molecular Weight | 322.81 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| 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
- N1-(3-Chloro-4-methylphenyl)-N2-(2-(thiophen-2-yl)ethyl)oxalamide (CAS 1207018-17-4)
- 4-Chloro-5,6-diphenylthieno[2,3-d]pyrimidine (CAS 1208346-69-3)
- (4-Chloro-2,5-dimethylphenyl)(4-(methylsulfonyl)phenyl)methanone (CAS 1280729-47-6)
- (2E)-1-{2-[(2-chloro-1,3-thiazol-5-yl)methoxy]phenyl}-3-(dimethylamino)prop-2-en-1-one (CAS 477886-92-3)
- 1-(4-Chloro-3-methylphenyl)-2-tosylethan-1-one (CAS 946386-92-1)
- 1-(4-Chloro-6-(isopropylthio)pyrimidin-2-yl)-3-phenylurea (CAS 339017-64-0)
- 1-(6-Chloro-4-oxo-4H-thiochromen-3-yl)piperidine-4-carboxamide (CAS 895799-58-3)
- 2-Chloro-5-((3,4-dihydroquinolin-1(2H)-yl)sulfonyl)aniline (CAS 847171-51-1)
Recommended Standards
- 4-[(4-Chlorophenyl)sulfanyl]-6-(morpholin-4-yl)pyrimidin-2-amine (CAS 339016-20-5)
- 5-([1,1'-Biphenyl]-4-yl)-4-chlorothieno[2,3-d]pyrimidine (CAS 455920-14-6)
- 4-(4-Chlorophenyl)-5-[(4-fluorophenyl)sulfanyl]-1,2,3-thiadiazole (CAS 338408-07-4)
- 2-Vinyladamantane (CAS 81372-28-3)
- 2-(4-(Phenylthio)phenyl)aceticacid (CAS 6317-61-9)
- 3-Fluoro-4-thiomorpholin-4-ylaniline (CAS 237432-11-0)
- Thiol-PEG4-alcohol (CAS 90952-27-5)
- 2-(4-Chloro-1h-indol-3-yl)acetonitrile (CAS 2447-15-6)
- 4,5-Diaminonicotinic acid (CAS 1393582-09-6)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
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