5-(2-Chlorophenyl)-2,3-dihydro-3-methyl-2-thioxothieno[2,3-d]pyrimidin-4(1H)-one CAS 743452-49-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 743452-49-5 |
| Molecular Formula | C13H9ClN2OS2 |
| Molecular Weight | 308.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2-Chlorophenyl)-2,3-dihydro-3-methyl-2-thioxothieno[2,3-d]pyrimidin-4(1H)-one (CAS 743452-49-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9ClN2OS2. Molecular weight: 308.81 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9ClN2OS2 |
| Molecular Weight | 308.81 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chlorophenyl Standards
- 7-(2-Chlorophenyl)-2-(methylthio)thieno[3,2-d]pyrimidin-4-ol (CAS 1291486-64-0)
- 7-(3-Chlorophenyl)-2-(methylthio)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1291487-05-2)
- 7-(4-Chlorophenyl)-2-(methylthio)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1779132-84-1)
- 2-[(3-Chlorophenyl)sulfanyl]-N-(3-cyanothiophen-2-yl)acetamide (CAS 338777-38-1)
- 2-{[4-(4-chlorophenyl)-1,3-thiazol-2-yl]methyl}-1,3-thiazol-4-ol (CAS 860651-36-1)
- 3-{[2-(4-chlorophenyl)-2-oxoethyl]sulfanyl}-5-methyl-1,2-thiazole-4-carbonitrile (CAS 343375-34-8)
- 5-(2-(4-Chlorophenyl)thiazol-4-yl)-4-methyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 198841-45-1)
- 6-{[(4-chlorophenyl)methyl]sulfanyl}imidazo[2,1-b][1,3]thiazole-5-carbaldehyde (CAS 339023-13-1)
Recommended Standards
- 5-(4-Chlorobenzoyl)-3-methylthieno[2,3-c][1,2]thiazol-4-amine (CAS 339017-37-7)
- 4-(4-Chlorophenoxy)-2-(methylsulfanyl)thieno[3,2-d]pyrimidine (CAS 339018-86-9)
- 6-((3-Chlorobenzyl)thio)imidazo[2,1-b]thiazole-5-carbaldehyde (CAS 338404-71-0)
- 4-chloro-2-[(4-methylbenzyl)sulfanyl]-5,6,7,8-tetrahydroquinazoline (CAS 338963-39-6)
- Methyl 3-(2-benzenesulfonamidophenoxy)thiophene-2-carboxylate (CAS 900018-86-2)
- 6-Methyl-4-thioxo-3,4-dihydropyrimidin-2(1H)-one (CAS 638-13-1)
- Methyl 3-(N-(4-(dimethylamino)but-2-yn-1-yl)sulfamoyl)thiophene-2-carboxylate (CAS 1396684-33-5)
- 3-Amino-1-(2,2,2-trifluoroethyl)piperidin-2-one (CAS 1339242-68-0)
- (R)-4-Amino-2-(1,3-dioxoisoindolin-2-yl)-4-oxobutanoic acid (CAS 1195309-01-3)
- Insulin aspart (CAS 116094-23-6)
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