(5-Amino-1-(4-bromophenyl)-1H-pyrazol-4-yl)(2-chlorophenyl)methanone CAS 618091-94-4
| CAS No. | 618091-94-4 |
| Molecular Formula | C16H11BrClN3O |
| Molecular Weight | 376.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (5-Amino-1-(4-bromophenyl)-1H-pyrazol-4-yl)(2-chlorophenyl)methanone (C16H11BrClN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 376.64 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (5-Amino-1-(4-bromophenyl)-1H-pyrazol-4-yl)(2-chlorophenyl)methanone (CAS 618091-94-4), a certified reference material (molecular formula C16H11BrClN3O, MW 376.64 g/mol) for analytical method development and quality control.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H11BrClN3O |
| Molecular Weight | 376.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- (5-Amino-1-(3-chlorophenyl)-1H-pyrazol-4-yl)(4-bromophenyl)methanone (CAS 618091-52-4)
- (5-Amino-1-(4-chlorophenyl)-1H-pyrazol-4-yl)(4-bromophenyl)methanone (CAS 618091-29-5)
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- 9,9-Bis(4-amino-3-methylphenyl)fluorene (CAS 107934-60-1)
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Recommended Standards
- N-(4-Bromo-2-fluorophenyl)-5-chloro-2-(methylthio)pyrimidine-4-carboxamide (CAS 898648-45-8)
- 17-O-Trimethylsilyl Mestanolone (CAS 145760-86-7)
- N-(3-Bromophenyl)-5-(2-chlorophenyl)furan-2-carboxamide (CAS 618401-62-0)
- 4-Chloro-5-(4-methoxyphenyl)-3-perfluopropylpyrazole (CAS 1029636-21-2)
- 4-Ethynylbenzenesulfonyl fluoride (CAS 2138217-02-2)
- Methyl 2-bromo-5-fluoro-3-((4-methylphenyl)sulfonamido)benzoate (CAS 2086689-91-8)
- (E)-N-{thieno[2,3-d]pyrimidin-4-yl}-N'-{2-[3-(trifluoromethyl)phenoxy]ethoxy}methanimidamide (CAS 477846-31-4)
- 2-((1-(3-Hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 899743-20-5)
- 1-Naphthol β-D-Glucuronide Sodium Salt (CAS 83833-12-9)
- 2-(4-Chlorophenyl)-2H-benzo[d][1,2,3]triazol-5-amine (CAS 40655-09-2)
- 3-(Aminomethyl)indoline (CAS 933698-55-6)
- 2-Amino-1-(3-(isopropyl(methyl)amino)piperidin-1-yl)ethanone (CAS 1353975-14-0)
- (R)-1-(3-chloro-5-fluorophenyl)-2-methylpropan-1-amine (CAS 1213531-95-3)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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