1-(2-Bromo-5-fluorobenzyl)-1h-pyrazol-3-amine CAS 1183336-73-3
| CAS No. | 1183336-73-3 |
| Molecular Formula | C10H9BrFN3 |
| Molecular Weight | 270.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(2-Bromo-5-fluorobenzyl)-1h-pyrazol-3-amine.
1-(2-Bromo-5-fluorobenzyl)-1h-pyrazol-3-amine (CAS 1183336-73-3) is a high-purity analytical reference standard with the molecular formula C10H9BrFN3 and a molecular weight of 270.10 g/mol.
Based on its molecular formula C10H9BrFN3, 1-(2-Bromo-5-fluorobenzyl)-1h-pyrazol-3-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(2-Bromo-5-fluorobenzyl)-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 | C10H9BrFN3 |
| Molecular Weight | 270.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1989 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 4-Bromo-1-[(2-fluorophenyl)methyl]-1h-pyrazol-3-amine (CAS 1001757-56-7)
- 4-Bromo-1-[(4-fluorophenyl)methyl]-1h-pyrazol-3-amine (CAS 1001757-57-8)
- 3-(4-Bromo-2-fluorophenyl)-4-methyl-1h-pyrazol-5-amine (CAS 1146218-15-6)
- 3-(5-Bromo-2-fluorophenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1152667-08-7)
- 3-(2-Bromo-4-fluorophenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1152708-98-9)
- 1-(3-Bromo-4-fluorobenzyl)-1h-pyrazol-4-amine (CAS 1152841-87-6)
- 1-(5-Bromo-2-fluorobenzyl)-1h-pyrazol-4-amine (CAS 1152867-15-6)
- 1-(2-Bromo-4-fluorobenzyl)-1h-pyrazol-4-amine (CAS 1152940-27-6)
Recommended Standards
- 1-(4-Bromo-2-fluorobenzyl)-1h-pyrazol-4-amine (CAS 1155047-77-0)
- 1-(3-Bromo-4-fluorobenzyl)-1h-imidazol-2-amine (CAS 1183641-26-0)
- 1-(2-Bromo-4-fluorobenzyl)-1h-pyrazol-3-amine (CAS 1183753-40-3)
- 4-Bromo-1-(4-fluorophenyl)-3-methyl-1H-pyrazol-5-amine (CAS 1202029-11-5)
- Dimesitylmethane (CAS 733-07-3)
- 3-Methyl-4-(4-methylbenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 53316-56-6)
- Sodium (Z)-prop-1-en-1-ylphosphonate (CAS 25383-06-6（free base）)
- (4aS,7S)-1,1-dioxo-3,4,4a,5,6,7-hexahydro-2H-pyrrolo[1,2-b]thiazine-7-carboxylic acid (CAS 608128-55-8)
- 2-[2-(2-Amino-acetylamino)-propionylamino]-3-methylpentanoic acid amide hydrochloride (CAS 1397243-58-1)
- N-((1-Phenylpyrrolidin-2-yl)methyl)butyramide (CAS 1797704-20-1)
- Valaciclovir Impurity 44 (CAS CATO-C4X-124844)
- 2-Amino-7,7-dimethyl-7,8-dihydro-5H-pyrano[3,4-b]pyrazin-5-one (CAS 2673369-23-6)
- CW 069 (CAS 1594094-64-0)
- Semaglutide impurity 57 (CAS 2773558-06-6)
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