1H-Pyrazolo[4,3-d]pyrimidine-3-carbonitrile, 7-bromo-5-ethyl- CAS 2091698-72-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2091698-72-3 |
| Molecular Formula | C8H6BrN5 |
| Molecular Weight | 252.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrazolo[4,3-d]pyrimidine-3-carbonitrile, 7-bromo-5-ethyl- (CAS 2091698-72-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6BrN5. Molecular weight: 252.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6BrN5 |
| Molecular Weight | 252.07 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 5 |
Related H Standards
- 1H-Pyrazolo[3,4-d]pyrimidine-1-propanenitrile, 6-chloro-α,α,β-trimethyl- (CAS 2839521-74-1)
- 3-((1H-Pyrazolo[3,4-d]pyrimidin-4-yl)amino)benzoic acid (CAS 361158-12-5)
- 5-(1H-Pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-carboxylic acid (CAS 658695-85-3)
- 1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-5-chloro-1-methyl- (CAS 2033057-25-7)
- 1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-7-methoxy-1,5-dimethyl- (CAS 1781698-05-2)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)piperidine-3-carboxylic acid (CAS 1707594-27-1)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)piperidine-4-carboxylic acid (CAS 1707734-99-3)
- Pyrazolo[1,5-a]pyrimidine-3-boronic Acid Pinacol Ester (CAS 1169690-88-3)
Recommended Standards
- 1-Boc-3-cyclopropylpyrazol-4-ylboronic acid (CAS 2377611-51-1)
- 2,3-Dichlorobenzenesulfonyl isocyanate (CAS 68984-06-5)
- 1-(5-Bromopyrimidin-2-yl)-1H-pyrrole-2-carbaldehyde (CAS 383147-57-7)
- (2S)-1-(Phenylmethyl)-2-piperidinecarboxylic acid (CAS 210533-45-2)
- 2-Chloro-6-ethoxy-4-formylphenyl acetate (CAS 634168-17-5)
- Octahydro-1H-pyrrolo[3,4-c]pyridine (CAS 933704-84-8)
- 2-((3-Cyano-6-phenyl-4-(p-tolyl)pyridin-2-yl)thio)-N-(4-ethoxyphenyl)acetamide (CAS 332127-54-5)
- 7-(2-Hydroxy-3-phenoxypropyl)-3-methyl-8-(piperidin-1-yl)-1H-purine-2,6(3H,7H)-dione (CAS 102838-04-0)
- 7-bromo-3,4-dihydro-1H-2-benzopyran-4-one (CAS 168759-64-6)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
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