3-bromo-1H-pyrazolo[3,4-b]pyrazine CAS 81411-68-9
| CAS No. | 81411-68-9 |
| Molecular Formula | C5H11BrN4 |
| Molecular Weight | 207.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-bromo-1H-pyrazolo[3,4-b]pyrazine is closely related to a nitrile group, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-bromo-1H-pyrazolo[3,4-b]pyrazine (CAS 81411-68-9), molecular formula C5H11BrN4 and molecular weight 207.07 g/mol, is a CATO reference standard with documented purity and traceability.
3-bromo-1H-pyrazolo[3,4-b]pyrazine (C5H11BrN4) contains a nitrile group, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-bromo-1H-pyrazolo[3,4-b]pyrazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H11BrN4 |
| Molecular Weight | 207.07 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related bromo Standards
- 6-bromo-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1019023-12-1)
- 3-bromo-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1159554-51-4)
- 5-bromo-1H-pyrazolo[3,4-b]pyrazine (CAS 1196152-90-5)
- ethyl 2-bromo-2-cyclopropylacetate (CAS 1200828-74-5)
- 3-bromo-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1263286-57-2)
- 2-bromo-1-(oxan-4-yl)ethan-1-one (CAS 141095-78-5)
- 2-bromo-1-tetrahydropyran-3-yl-ethanone (CAS 1461706-30-8)
- 1-bromo-3-(oxolan-2-yl)propan-2-one (CAS 1538694-77-7)
Recommended Standards
- 2-Bromomethyl-cyclopropanecarboxylic acid ethyl ester (CAS 89892-98-8)
- 4,4,4-trifluoro-3-hydroxy-3-(trifluoromethyl)butanenitrile (CAS 2546-63-6)
- 2-Bromocyclohexanecarboxylic acid (CAS 5469-29-4)
- 4-Bromocyclohexane-1-carboxylic acid (CAS 89892-96-6)
- N-(3-(pyrazin-2-yloxy)phenyl)-4-(trifluoromethoxy)benzenesulfonamide (CAS 866157-06-4)
- 9-(4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)naphthalen-1-yl)-9H-carbazole (CAS 2376616-77-0)
- Disul Sodium (CAS 136-78-7)
- 5-Methoxy-2-((tosyloxy)methyl)tetrahydrofuran-3-yl 4-methylbenzenesulfonate (CAS 60110-72-7)
- 4-(2,2,2-Trifluoroethyl)-1H-pyrazole (CAS 1211529-61-1)
- 1-Isopropyl-3-phenyl-1H-pyrazol-5-amine (CAS 14085-41-7)
- N-methyl-1-(1-methyl-3-(pyrazin-2-yl)-1H-pyrazol-4-yl)methanamine (CAS 1519686-43-1)
- Oxazepam EP Impurity C (CAS 5958-05-4)
- 2-Amino-3-(difluoromethyl)-5-fluoroisonicotinic acid (CAS 1804728-16-2)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
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