4,7-Dichloro-2-methylthieno[3,2-d]pyrimidine CAS 1823921-18-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1823921-18-1 |
| Molecular Formula | C7H4Cl2N2S |
| Molecular Weight | 219.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,7-Dichloro-2-methylthieno[3,2-d]pyrimidine (CAS 1823921-18-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H4Cl2N2S. Molecular weight: 219.09 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2N2S |
| Molecular Weight | 219.09 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 4,5-Dichloro-2-methylthieno[2,3-d]pyrimidine (CAS 137287-40-2)
- 2,6-Dichloro-4-thiocyanatoaniline (CAS 14030-85-4)
- 4,7-Dichloro-1,3-benzothiazol-2-amine (CAS 1849-70-3)
- 4,5-Dichloro-benzothiazol-2-ylamine (CAS 1849-71-4)
- 5,6-dichloro-1,3-dihydrobenzimidazole-2-thione (CAS 19462-98-7)
- 2,3-Dichloro-4-thiocyanatoaniline (CAS 7494-03-3)
- 2,4-Dichloro-5-methylthieno[2,3-d]pyrimidine (CAS 56844-38-3)
- 2,4-Dichloro-6-methylthieno[3,2-d]pyrimidine (CAS 35265-82-8)
Recommended Standards
- 3-(2,5-Dichlorothiophen-3-yl)-1H-pyrazole (CAS 166196-62-9)
- 4,6-Dichlorobenzo[d]thiazol-2-amine (CAS 16582-59-5)
- 5,7-Dichlorobenzo[d]thiazol-2-amine (CAS 158465-13-5)
- 5-Fluorobenzoxazol-2(3H)-one (CAS 13451-79-1)
- N-[3-(Trifluoromethyl)phenyl]piperazine-1-carboxamide (CAS 1225578-90-4)
- 5-(5-Ethylthiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 676624-08-1)
- 3-Bromo-1H-1,2,4-triazole-5-carboxamide (CAS 1207755-03-0)
- 5-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-6-carboxylic acid (CAS 953061-59-1)
- Amlodipine Impurity 23 (CAS 34148-67-9)
- Prolactin-Releasing Peptide (1-31) (rat) (CAS 215510-06-8)
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