7-chloro-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1497922-05-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1497922-05-0 |
| Molecular Formula | C6H11ClN4O2 |
| Molecular Weight | 206.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-chloro-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1497922-05-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H11ClN4O2. Molecular weight: 206.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H11ClN4O2 |
| Molecular Weight | 206.63 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 4-Chloro-1-napthalenecarboxylic Acid (CAS 1013-04-3)
- 6-Chloro-2-(pyridin-2-yl)pyrimidin-4-amine (CAS 1014720-73-0)
- 2-Chloro-6-(1h-imidazol-1-yl)benzaldehyde (CAS 1021240-96-9)
- 2-Chloro-4-(1-imidazolyl)benzaldehyde (CAS 1141669-45-5)
- 4-Chloro-6-methyl-2-(pyrimidin-2-yl)pyrimidine (CAS 1153093-46-9)
- N-(4-chloro-3-cyanophenyl)prop-2-enamide (CAS 1156154-87-8)
- 4-chloro-6-nitropyrrolo[2,1-f][1,2,4]triazine (CAS 1160995-37-8)
- 4-(4-Chloro-1h-pyrazol-1-yl)benzaldehyde (CAS 1179758-89-4)
Recommended Standards
- 3-Chloro-6-phenoxypyridazine (CAS 1490-44-4)
- 5-chloro-2H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1520692-02-7)
- 4-Chloro-2-methyl-6-(pyrazin-2-yl)pyrimidine (CAS 1466282-95-0)
- 2-(4-Amino-5-chloro-6-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1806842-52-3)
- 6-(Piperidine-1-sulfonyl)-1h-1,2,3-benzotriazol-1-ol (CAS 733762-43-1)
- Tetrazolo[1,5-a]pyridine-5-carboxylic acid (CAS 7477-12-5)
- 4-Fluoro-3-methoxy-2-nitrobenzonitrile (CAS 887202-43-9)
- 3,4,5,6,7,8-Hexahydroanthracen-1(2H)-one (CAS 5440-71-1)
- Dopamine Impurity 3 (CAS 108074-44-8)
- Semaglutide impurity 255 (CAS CATO-C4X-2226255)
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