4-Chloro-6-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine CAS 610279-55-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 610279-55-5 |
| Molecular Formula | C11H11ClN2S |
| Molecular Weight | 238.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Chloro-6-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 610279-55-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H11ClN2S. Molecular weight: 238.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H11ClN2S |
| Molecular Weight | 238.74 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Chloro-6,7,8,9-tetrahydro-5H-cyclohepta[4,5]thieno[2,3-d]pyrimidine (CAS 40106-58-9)
- 5-(3-chloro-4-methylbenzyl)-1,3-thiazol-2-amine (CAS 501349-36-6)
- 4-Chloro-2-methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidine (CAS 81765-97-1)
- 2-(Cyclopentylmethyl)morpholine (CAS 927801-22-7)
- 2,2,2-Trifluoroacetanilide (CAS 404-24-0)
- 3-Methoxy-2-methylisonicotinic acid (CAS 1227577-20-9)
- Bumetanide Impurity 78 (CAS CATO-C4X-198679)
- 2-(2,6-Difluorophenyl)-2-methylcyclopropan-1-amine hydrochloride (CAS 1354954-35-0)
- N-(5-(Cyanomethyl)-1,3,4-thiadiazol-2-yl)benzamide (CAS 93355-73-8)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
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