1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione, 3-bromo-1-methyl- CAS 1033444-07-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1033444-07-3 |
| Molecular Formula | C6H5BrN4O2 |
| Molecular Weight | 245.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione, 3-bromo-1-methyl- (CAS 1033444-07-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5BrN4O2. Molecular weight: 245.03 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H5BrN4O2 |
| Molecular Weight | 245.03 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related H Standards
- Pyrazolo[1,5-a]pyrimidine-3-boronic Acid Pinacol Ester (CAS 1169690-88-3)
- 4-((1H-pyrazolo[3,4-b]pyridin-4-yl)oxy)-3-fluoroaniline (CAS 1115490-85-1)
- Pyrazolo[1,5-a]pyridine-3-boronic Acid Pinacol Ester (CAS 1207557-48-9)
- Pyrazolo[1,5-a]pyridine-5-boronic acid pinacol ester (CAS 2379560-85-5)
- 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)
- 1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-7-methoxy-1-methyl- (CAS 68479-25-4)
- 1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-5-chloro-1-methyl- (CAS 2033057-25-7)
Recommended Standards
- Ethyl 4-bromo-4,4-difluoro-3-oxobutanoate (CAS 367922-07-4)
- 1-(3,4-Dichlorophenyl)-2,2,2-trifluoroethan-1-ol (CAS 106044-11-5)
- Ethyl 2-bromo-4,4-difluoro-3-oxobutanoate (CAS 660840-16-4)
- Methyl 3-(Aminomethyl)cyclobutanecarboxylate Hydrochloride (CAS 1630907-39-9)
- 1-(2,4-Difluorophenyl)-3-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-75-2)
- 3-Fluoro-4-(piperidin-1-yl)aniline (CAS 85983-56-8)
- 3-((4-Chlorophenyl)sulfonyl)-2-imino-10-methyl-1-pentyl-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (CAS 606964-49-2)
- tert-Butyl N-[1-(2-aminoethyl)cyclobutyl]carbamate (CAS 1895535-27-9)
- Tert-butyl ((1S,2S)-2-(aminomethyl)cyclopentyl)carbamate (CAS 1821707-84-9)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com