4-Chloro-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidine CAS 243968-08-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 243968-08-3 |
| Molecular Formula | C9H7ClN2OS |
| Molecular Weight | 226.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidine (CAS 243968-08-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7ClN2OS. Molecular weight: 226.68 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7ClN2OS |
| Molecular Weight | 226.68 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-((4-Chloro-1H-pyrazol-1-yl)methyl)thiophene-2-carbaldehyde (CAS 1006493-41-9)
- 5-Chloro-3-(3-methoxyphenyl)-1,2,4-thiadiazole (CAS 1221341-41-8)
- 7-Chloro-1-cyclopropyl-6-fluoro-1,2,3,4-tetrahydroquinoxaline (CAS 1315469-43-2)
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- 7-Chloro-2-mercapto-3-methylquinazolin-4(3h)-one (CAS 140192-75-2)
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Recommended Standards
- 3-Chloro-6-methylbenzothiophene-2-carboxylic Acid (CAS 34576-96-0)
- 4-Chloro-6-(oxetan-3-yl)thieno[3,2-d]pyrimidine (CAS 2227205-57-2)
- 3-Chloro-4-(1,3-thiazol-2-yloxy)aniline (CAS 871021-06-6)
- Methyl 6-(4,5,6,7-tetrahydro-1H-indazol-1-yl)pyridine-3-carboxylate (CAS 866009-48-5)
- 1-Octanaminium,N,N,N-trioctyl-, chloride (1:1) 3125-07-3 CTK4G6635 (CAS 3125-07-3)
- 3-Amino-4-methylpicolinaldehyde (CAS 1289114-62-0)
- 2-(bromomethyl)spiro[4,6-dihydropyrrolo[1,2-b]pyrazole-5,1'-cyclopropane] (CAS 2853613-49-5)
- N-(3-Chloro-2-methylphenyl)-4,5-dihydro-1,3-thiazol-2-amine (CAS 36318-59-9)
- (6-Amino-5-methylpyridin-3-yl)boronic acid hydrochloride (CAS 2304635-84-3)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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