3-(4-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine CAS 1152653-72-9
| CAS No. | 1152653-72-9 |
| Molecular Formula | C11H12BrN3 |
| Molecular Weight | 266.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152653-72-9), molecular formula C11H12BrN3 and molecular weight 266.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution, 3-(4-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 266.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 3-(4-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-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 | C11H12BrN3 |
| Molecular Weight | 266.14 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 | 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
- 3-(3-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152655-64-5)
- 3-(2-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152663-97-2)
- 4-(4-Bromophenyl)-2,5-dimethylpyrazol-3-amine (CAS 1152678-01-7)
- 4-(3-Bromophenyl)-2,5-dimethylpyrazol-3-amine (CAS 1156165-95-5)
- 3-(4-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine (CAS 1187057-46-0)
- 3-(3-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine (CAS 1187561-37-0)
- 1-(4-Bromophenyl)-3-ethyl-1H-pyrazol-5-amine (CAS 1225794-45-5)
- 4-(4-Bromophenyl)-1,2-dimethyl-1h-imidazol-5-amine (CAS 1247523-79-0)
Recommended Standards
- 1-(4-Bromobenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1152526-94-7)
- 1-(3-Bromobenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1152526-82-3)
- 1-(2-Bromobenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1152524-44-1)
- 2,3-Bis-(trifluoromethyl)-1,8-naphthyridine (CAS 1099597-87-1)
- 2-(Pyridin-2-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 880361-82-0)
- 3-[(4-Fluorophenyl)sulfonyl]propanenitrile (CAS 890091-73-3)
- 3-Ethoxy-2-fluorobenzoic acid (CAS 1033201-71-6)
- N-(3-Chloro-4-methoxyphenyl)-2-((3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 477329-66-1)
- tert-Butyl 2-(piperidin-4-ylmethoxy)acetate (CAS 2505504-71-0)
- 1-Ethyl-3-(methylamino)quinoxalin-2(1H)-one (CAS 586348-21-2)
- 3-Hydroxy-1,8-naphthalic anhydride (CAS 23204-36-6)
- 2-[6-[4-[Bis(4-Fluorophenyl)Methyl]Piperazin-1-Yl]Purin-9-Yl]Ethanol Dihydrochloride (CAS 37425-38-0)
- 6-Methyloctahydropyrrolo[3,4-b][1,4]oxazine (CAS 1367990-19-9)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
Why CATO?
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