1-(2-Bromophenyl)-1h-pyrazol-4-amine CAS 1153039-45-2
| CAS No. | 1153039-45-2 |
| Molecular Formula | C9H8BrN3 |
| Molecular Weight | 238.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 238.08 g/mol gives 1-(2-Bromophenyl)-1h-pyrazol-4-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(2-Bromophenyl)-1h-pyrazol-4-amine (CAS 1153039-45-2), molecular formula C9H8BrN3 and molecular weight 238.08 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H8BrN3, 1-(2-Bromophenyl)-1h-pyrazol-4-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.08 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.
CATO manufactures 1-(2-Bromophenyl)-1h-pyrazol-4-amine 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 | C9H8BrN3 |
| Molecular Weight | 238.08 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.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromophenyl Standards
- 4-(4-bromophenyl)-2,5-dihydro-1H-pyrrol-2-one (CAS 1017246-65-9)
- 3-(2-Bromophenyl)-4-methyl-4H-1,2,4-triazole (CAS 1034734-64-9)
- 3-(2-Bromophenyl)-5-methyl-4h-1,2,4-triazole (CAS 1094653-15-2)
- 3-(3-Bromophenyl)-5-methyl-1h-1,2,4-triazole (CAS 1152849-67-6)
- 1-(3-Bromophenyl)-1H-pyrazol-4-amine (CAS 1155573-22-0)
- 1-(2-Bromophenyl)-1h-pyrazol-5-amine (CAS 1155574-39-2)
- 3-(3-Bromophenyl)-1H-pyrazol-4-amine (CAS 1171492-86-6)
- 3-(4-Bromophenyl)-1-methyl-1H-1,2,4-triazole (CAS 1184174-04-6)
Recommended Standards
- 6-Bromoquinoline-3,4-diamine (CAS 1153095-14-7)
- 6-Bromo-7-methoxyisoquinoline (CAS 1148110-18-2)
- 4-Bromo-2-(2-methyl-1H-imidazol-1-yl)pyridine (CAS 1142194-32-8)
- 1-(2-(Bromomethyl)phenyl)-1h-1,2,4-triazole (CAS 1138399-31-1)
- Methyl 1-(4-bromophenoxy)cyclopropanecarboxylate (CAS 1399661-11-0)
- N-[2-[3-(AMINOSULFONYL)-4-METHOXYPHENYL]ETHYL]-5-CHLORO-2-METHOXY-BENZAMIDE (CAS 158751-78-1)
- Trans-Beta-Ocimene (CAS 3779-61-1)
- 3-Borono-2,6-difluorobenzoic acid (CAS 1451393-05-7)
- Lansoprazole Impurity 58 (CAS 343871-48-7)
- n-(Cyclopropylmethyl)-2-methyl-1-phenylpropan-1-amine (CAS 1156207-40-7)
- Z-Asn-OtBu (CAS 25456-85-3)
- Ketotifen Impurity 8 (CAS 59743-84-9)
- Tert-butyl (((1S,3S)-3-aminocyclohexyl)methyl)carbamate (CAS 2231663-25-3)
- Fibrinopeptide B (human) (CAS 36204-23-6)
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