1H-pyrazolo[3,4-d]pyrimidine-4,6(5h,7H)-dione, 3-bromo- CAS 501935-89-3
| CAS No. | 501935-89-3 |
| Molecular Formula | C5H3BrN4O2 |
| Molecular Weight | 231.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1H-pyrazolo[3,4-d]pyrimidine-4,6(5h,7H)-dione, 3-bromo- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1H-pyrazolo[3,4-d]pyrimidine-4,6(5h,7H)-dione, 3-bromo- (CAS 501935-89-3) is a high-purity analytical reference standard with the molecular formula C5H3BrN4O2 and a molecular weight of 231.01 g/mol.
Based on its molecular formula C5H3BrN4O2, 1H-pyrazolo[3,4-d]pyrimidine-4,6(5h,7H)-dione, 3-bromo- contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H3BrN4O2 |
| Molecular Weight | 231.01 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 |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related H Standards
- Pyrazolo[1,5-a]pyridin-4-ol, 6-bromo-3-fluoro- (CAS 2770966-34-0)
- 3-(Pyrazolo[1,5-a][1,2,4]triazolo[3,4-c]pyrazin-3-yl)propanoic acid (CAS 1707594-83-9)
- Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 6-cyclopropyl-, ethyl ester (CAS 1956363-80-6)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)pyrrolidine-3-carboxylic acid (CAS 1710674-57-9)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1707373-01-0)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 1707566-47-9)
- 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 3-bromo-1,6-dihydro-1-methyl- (CAS 68479-27-6)
- (4-(1H-pyrazolo[3,4-b]pyridin-4-yl)morpholin-2-yl)methanamine (CAS 1034769-58-8)
Recommended Standards
- (4-(methoxycarbonyl)-2-nitrophenyl)boronic acid (CAS 85107-55-7)
- 3-bromo-1H,4H,5H,6H,7H-pyrazolo[4,3-d]pyrimidine-5,7-dione (CAS 2703752-87-6)
- (3-(Methoxycarbonyl)isoquinolin-7-yl)boronic acid (CAS 284660-85-1)
- 5,7-Dichloro-6-fluoropyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 2098345-71-0)
- 3-[(4-fluorophenyl)methylidene]pyrrolidine-2,5-dione (CAS 259654-28-9)
- 2-Methoxy-4-methylbenzonitrile (CAS 53078-69-6)
- (3S,7S)-Benzyl 3-(((benzyloxy)carbonyl)amino)-7-methyl-2,3,4,7-tetrahydro-1H-azepine-1-carboxylate (CAS 2600792-64-9)
- Ethyl 3-amino-1-ethyl-1H-pyrazole-4-carboxylate (CAS 90641-64-8)
- 2-(7-Methoxy-2,3-dihydro-1H-phenalen-1-yl)benzoic acid (CAS 1391054-77-5)
- Sildenafil Impurity 285 (CAS CATO-C4X-1128285)
- 2-Bromo-6-(trimethylsilyl)phenyl triflate (CAS 1092542-31-8)
- 4-Bromophenyl 1-methyl-1H-pyrazole-4-carboxylate (CAS 1365942-50-2)
- 1-Isopropyl-2-phenyldiazene (CAS 1075-73-6)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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 18665070610 / Nicole.chen@cato-chem.com