(3,4-Bis(4-methoxyphenyl)-1H-pyrazol-1-yl)(4-bromophenyl)methanone CAS 956797-56-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956797-56-1 |
| Molecular Formula | C24H19BrN2O3 |
| Molecular Weight | 463.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3,4-Bis(4-methoxyphenyl)-1H-pyrazol-1-yl)(4-bromophenyl)methanone (CAS 956797-56-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C24H19BrN2O3. Molecular weight: 463.32 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C24H19BrN2O3 |
| Molecular Weight | 463.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bis Standards
- (Z)-{2-[4-(4-methoxyphenyl)piperazin-1-yl]-1-phenylethylidene}amino 4-chlorobenzoate 338406-16-9 3F-909 (CAS 338406-16-9)
- 4-Methoxyphenyl 3-O-Benzyl-4,6-O-benzylidene-β-D-glucopyranoside (CAS 303127-81-3)
- 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 4-tert-butylbenzene-1-sulfonate (CAS 301193-66-8)
- N-(2-(4-(1-((4-methoxyphenyl)sulfonyl)-1H-pyrazol-3-yl)phenoxy)ethyl)-N-methylpyridin-2-amine (CAS 477713-82-9)
- N-(2-(4-(2-Methoxyphenyl)piperazin-1-yl)ethyl)-4-nitro-N-(pyridin-2-yl)benzamide (CAS 155204-27-6)
- 4-Methoxyphenyl N-(phenylsulfonyl)-N-(3-(trifluoromethyl)phenyl)glycinate (CAS 343373-85-3)
- (5E)-4-(4-Methoxyphenyl)-5-{[(4-methylphenyl)methoxy]imino}-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 860649-69-0)
- Ethyl 3-((4-(3-methoxyphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932520-32-6)
Recommended Standards
- Lifitegrast Impurity 46 (CAS CATO-C4X-240946)
- 4-[(2Z)-3-(5-Bromo-2-methoxyphenyl)prop-2-enoyl]phenyl (2E)-3-phenylprop-2-enoate (CAS 306730-27-8)
- Lifitegrast Impurity 44 (CAS CATO-C4X-240944)
- 3-Cyclopropyl-1-propyl-1H-pyrazole (CAS 1170291-25-4)
- N1-(7-Cyclobutyl-3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)-N3,N3,2,2-tetramethylpropane-1,3-diamine (CAS 473382-39-7)
- 6-chloroquinolin-8-ol hydrobromide (CAS 1803582-34-4)
- 6-(3-Chlorophenyl)-3-methyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (CAS 881222-92-0)
- 2-Chloro-4,6-di-m-tolyl-1,3,5-triazine (CAS 78941-29-4)
- 3-(chloromethyl)azetidine; trifluoroacetic acid (CAS 2306265-59-6)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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