1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-7-methoxy-1,5-dimethyl- CAS 1781698-05-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1781698-05-2 |
| Molecular Formula | C8H9BrN4O |
| Molecular Weight | 257.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-7-methoxy-1,5-dimethyl- (CAS 1781698-05-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9BrN4O. Molecular weight: 257.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9BrN4O |
| Molecular Weight | 257.09 g/mol |
| Appearance | Off-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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related H Standards
- 5-(1H-Pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-carboxylic acid (CAS 658695-85-3)
- 3-((1H-Pyrazolo[3,4-d]pyrimidin-4-yl)amino)benzoic acid (CAS 361158-12-5)
- 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-3-[3-(2-propyn-1-ylsulfinyl)-1-propyn-1-yl]- (CAS 2440565-44-4)
- 1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro-3-fluoro-7-methoxy-1-(2-methoxyethyl)- (CAS 2445848-22-4)
- 1H-Pyrazolo[4,3-d]pyrimidine-3-carbonitrile, 7-bromo-5-ethyl- (CAS 2091698-72-3)
- Pyrazolo[1,5-b]pyridazine-2,3-dicarboxylic Acid Diethyl Ester (CAS 55259-42-2)
- 2-(1H-Pyrazolo[3,4-b]pyridin-3-yl)isoindoline-1,3-dione (CAS 864871-82-9)
- 1H-Pyrazolo[3,4-d]pyrimidine-1-propanenitrile, 6-chloro-α,α,β-trimethyl- (CAS 2839521-74-1)
Recommended Standards
- 1-(3-(5-Bromofuran-2-yl)-1H-1,2,4-triazol-5-yl)ethanamine (CAS 1707395-24-1)
- 2-(1-Aminoethyl)-5-bromopyrrolo[2,1-f][1,2,4]triazin-4(1H)-one (CAS 1824622-79-8)
- 4-(5-Bromopyrimidin-4-yl)piperazin-2-one (CAS 1536639-96-9)
- 4,5-Dibromo-2-nitropyridine (CAS 1806307-95-8)
- 2-Fluoro-4-(tetrahydro-2H-pyran-4-yl)pyridine (CAS 1350356-56-7)
- 4-Methyl-2-(4-pentyloxybenzoyl)pyridine (CAS 1187165-46-3)
- 1-(o-Tolyl)-1H-pyrazole-4-carbonitrile (CAS 712-39-0)
- (3-(1,3-Dioxolan-2-yl)phenyl)(2,5-dimethylphenyl)methanone (CAS 898779-36-7)
- O-Cyclohexylhydroxylamine (CAS 4759-21-1)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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