4-(4-bromophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5,6-dihydrobenzo[h]quinazoline CAS 956965-83-6
| CAS No. | 956965-83-6 |
| Molecular Formula | C23H19BrN4 |
| Molecular Weight | 431.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4-bromophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5,6-dihydrobenzo[h]quinazoline (CAS 956965-83-6) is a high-purity analytical reference standard with the molecular formula C23H19BrN4 and a molecular weight of 431.33 g/mol.
Based on its molecular formula C23H19BrN4, 4-(4-bromophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5,6-dihydrobenzo[h]quinazoline 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 431.33 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).
CATO manufactures 4-(4-bromophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5,6-dihydrobenzo[h]quinazoline 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 | C23H19BrN4 |
| Molecular Weight | 431.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related bromophenyl Standards
- N-(4-Bromophenyl)-2-((4-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)thio)acetamide (CAS 1251704-20-7)
- 1-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-3,3-dimethylbutan-2-one (CAS 477329-71-8)
- 1-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-3,3-dimethylbutan-2-one (CAS 477330-45-3)
- 2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-3-isobutylquinazolin-4(3H)-one (CAS 255865-18-0)
- 2-[(3-Bromophenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775337-53-5)
- 4-(5-(4-Bromophenyl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid (CAS 309925-78-8)
- 3-((6-(4-Bromophenyl)-3-cyano-4-(trifluoromethyl)pyridin-2-yl)thio)propanoic acid (CAS 625376-46-7)
- 3-[(4-Bromophenyl)sulfanyl]-1-(3,5-dichlorophenyl)pyrrolidine-2,5-dione (CAS 301194-49-0)
Recommended Standards
- 1-Benzyl 2-methyl (2S,3R)-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)propyl)pyrrolidine-1,2-dicarboxylate (CAS 2376704-00-4)
- 4-Methoxy-N-(4-methoxyphenyl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)aniline (CAS 875667-84-8)
- Tert-butyl 4-((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamoyl)piperazine-1-carboxylate (CAS 1704081-91-3)
- 5-[2,5-Bis(2,2,2-trifluoroethoxy)phenyl]-1-(4-methylphenyl)-1H-1,2,4-triazole (CAS 400081-38-1)
- Tegoprazan (CAS 942195-55-3)
- 1,2-Dimethyl-4-((methylsulfonyl)methyl)-5-nitro-1H-imidazole (CAS 1707394-01-1)
- 2-Ethyl-2,5-diazabicyclo[2.2.1]Heptane bis(2,2,2-trifluoroacetate) (CAS 1208077-97-7)
- Potassium (2,2-difluoro-[1,1'-bi(cyclopropan)]-1-yl)trifluoroborate (CAS 2416056-36-3)
- Somantadine (CAS 79594-24-4)
- Ethyl 2-(acetylamino)-4-pentynoate (CAS 23235-05-4)
- Galanin-Like Peptide (porcine) trifluoroacetate salt (CAS 245114-96-9)
- 10-(3-Chloro-2-methylpropyl)-2-methoxy Phenothiazine (CAS 24724-55-8)
- 6,7,8-trifluoro-4-oxo-1,4-dihydroquinoline-3-carbonitrile (CAS 144367-58-8)
- Peptide Fmoc-Thi-Thi-OH (CAS CATO-CPTD788552)
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