4-Bromo-1-(pyridin-4-ylmethyl)-1h-pyrazol-3-amine CAS 1250423-94-9
| CAS No. | 1250423-94-9 |
| Molecular Formula | C9H9BrN4 |
| Molecular Weight | 253.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-1-(pyridin-4-ylmethyl)-1h-pyrazol-3-amine (CAS 1250423-94-9), molecular formula C9H9BrN4 and molecular weight 253.10 g/mol, is a CATO reference standard with documented purity and traceability.
4-Bromo-1-(pyridin-4-ylmethyl)-1h-pyrazol-3-amine (C9H9BrN4) contains a nitrogen-containing heterocyclic scaffold, 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. 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.
As a certified reference material (CRM), 4-Bromo-1-(pyridin-4-ylmethyl)-1h-pyrazol-3-amine 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.
Physical & Chemical Properties
| Molecular Formula | C9H9BrN4 |
| Molecular Weight | 253.10 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 4-Bromo-1-(pyridin-2-ylmethyl)-1h-pyrazol-3-amine (CAS 1249167-78-9)
- 4-Bromo-1-(phenoxymethyl)-1H-pyrazole (CAS 1263210-93-0)
- (2-(3-Bromophenyl)-2h-1,2,3-triazol-4-yl)methanamine (CAS 1247555-13-0)
- 8-Bromo-2,3-dimethylquinazolin-4(3H)-one (CAS 1263413-81-5)
- 2-Bromo-4-chloro-1-methanesulfonylbenzene (CAS 1782806-79-4)
- Rucaparib (CAS 283173-50-2)
- N-Benzyl-3-(4-methoxyphenoxy)-1-propanamine hydrochloride (CAS 1609402-64-3)
- (1R)-1-(3-methyl-1-benzothiophen-2-yl)ethan-1-amine hydrochloride (CAS 1807940-09-5)
- 6-Chloro-1,3-dimethyl-5-nitro-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 1203-25-4)
- 1-(3-Furoyl)-1,4-diazepane (CAS 915923-81-8)
- 2-Amino-4-(pyridin-3-yl)thiophene-3-carboxylic acid (CAS 1215196-40-9)
- 53716-82-8 (1S,5R)-6,8-Dioxabicyclo[3.2.1]octan-4-one DTXSID30450332 (CAS 53716-82-8)
- (2E,4E)-dodeca-2,4-dien-1-ol (CAS 18485-38-6)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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