2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine CAS 74901-69-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 74901-69-2 |
| Molecular Formula | C6H4Cl2N2S |
| Molecular Weight | 207.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichloro-6,7-dihydrothieno[3,2-d]pyrimidine (CAS 74901-69-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4Cl2N2S. Molecular weight: 207.08 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4Cl2N2S |
| Molecular Weight | 207.08 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 1,3-Dichloro-5,6-dihydro-4H-cyclopenta[c]thiophen-4-one (CAS 7687-79-8)
- 2,4-Dichloro-5,6-dihydrothieno[2,3-d]pyrimidine (CAS 74901-61-4)
- 2,4-Dichloro-5H,7H-thieno[3,4-d]pyrimidine (CAS 74901-71-6)
- 2,4-Dichloro-6-isopropoxypyrimidine (CAS 1026787-89-2)
- 4,6-Dichloro-2-isopropoxypyrimidine (CAS 1026787-90-5)
- 1-(4,5-Dichloro-2-methyl-1H-imidazol-1-yl)propan-2-one (CAS 1219563-76-4)
- 3,5-Dichloro-1-isopropylpyrazin-2(1H)-one (CAS 1269534-00-0)
- 2,4-Dichloro-6-(ethoxymethyl)pyrimidine (CAS 1289385-14-3)
Recommended Standards
- 2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole (CAS 2800894-73-7)
- 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole (CAS 676501-88-5)
- 2,2,2-Trifluoro-N-(2,2,2-trifluoro-1-iminoethyl)acetimidamide (CAS 675-05-8)
- (S)-2-amino-1-(4-((isopropyl(methyl)amino)methyl)piperidin-1-yl)propan-1-one (CAS 1292746-49-6)
- 2-Ethoxy-4-(3-(tetrahydrofuran-2-yl)-1H-1,2,4-triazol-5-yl)phenol (CAS 1416343-45-7)
- Lasmiditan Impurity 5 (CAS 68947-43-3)
- 2-Amino-2-(3-fluorobicyclo[1.1.1]Pentan-1-yl)acetic acid hydrochloride (CAS 2103622-40-6)
- 4'-(Dimethylamino)[1,1'-biphenyl]-3-carbonitrile (CAS 27104-68-3)
- Ethyl (2-chlorobenzyl)glycinate (CAS 88720-42-7)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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