8-Chloropyrazolo[1,5-c]quinazoline-5-thiol CAS 17218-77-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 17218-77-8 |
| Molecular Formula | C10H6ClN3S |
| Molecular Weight | 235.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Chloropyrazolo[1,5-c]quinazoline-5-thiol (CAS 17218-77-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H6ClN3S. Molecular weight: 235.69 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H6ClN3S |
| Molecular Weight | 235.69 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloropyrazolo Standards
- ethyl 6-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 1005209-44-8)
- ethyl 7-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 749216-54-4)
- ethyl 5-chloropyrazolo[1,5-a]pyridine-3-carboxylate (CAS 886364-13-2)
- 7-chloropyrazolo[1,5-a]quinolin-3-ol (CAS 2766427-72-7)
- 8-chloropyrazolo[5,1-a]isoquinolin-1-ol (CAS 2766427-81-8)
- 4-(7-Chloropyrazolo[1,5-a]pyridin-2-yl)phenol (CAS 885270-46-2)
- Ethyl 5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1224944-77-7)
- Ethyl 5-Chloropyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 1363405-21-3)
Recommended Standards
- 3-chloro-5-(methoxymethyl)benzene-1-sulfonamide (CAS 1549835-54-2)
- tert-Butyl (5-chloro-1,3,4-thiadiazol-2-yl)carbamate (CAS 1935229-74-5)
- 2-(1H-Benzo[d]imidazol-1-yl)-4-chlorothiazole (CAS 1548812-76-5)
- (2E)-1-(2,5-Dimethoxyphenyl)-3-(2-ethoxyphenyl)prop-2-en-1-one (CAS 850358-96-2)
- 1-(1-Benzhydryl-2,5-dimethyl-3-pyrrolyl)-2-chloroethanone (CAS 775314-83-5)
- 5-Amino-4-(4-chlorophenyl)-1H-pyrazol-3(2H)-one (CAS 62538-19-6)
- 3-Methyl-4-(trifluoromethyl)benzaldehyde (CAS 951232-01-2)
- 1-(4-Aza-8-hydroxy-6-oxo)oct-2-en-1-oylimidazole(mixture E/Z) (CAS 89186-34-5)
- (3-Amino-2-phenylpropyl)dimethylamine (CAS 259537-68-3)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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