3-(4-Bromophenyl)-5-chloro-[1,2,4]triazolo[4,3-c]quinazoline CAS 129177-19-1
| CAS No. | 129177-19-1 |
| Molecular Formula | C15H8BrClN4 |
| Molecular Weight | 359.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(4-Bromophenyl)-5-chloro-[1,2,4]triazolo[4,3-c]quinazoline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 3-(4-Bromophenyl)-5-chloro-[1,2,4]triazolo[4,3-c]quinazoline (CAS 129177-19-1), a certified reference material (molecular formula C15H8BrClN4, MW 359.61 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H8BrClN4, 3-(4-Bromophenyl)-5-chloro-[1,2,4]triazolo[4,3-c]quinazoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 359.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H8BrClN4 |
| Molecular Weight | 359.61 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 4 |
Related Bromophenyl Standards
- (2-bromophenyl)-diphenyl-phosphane (2-bromophenyl)-diphenylphosphine 62336-24-7 A833720 (CAS 62336-24-7)
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- 3-(4-Bromophenyl)-6-phenyl-2H-thiopyran-2-thione (CAS 1000576-21-5)
- 1-Benzyl-5-(4-bromophenyl)-2-(methylthio)-1H-imidazole (CAS 1207043-06-8)
- 4-(4-Bromophenyl)-n-(3,5-dimethylphenyl)-1,3-thiazol-2-amine (CAS 735342-67-3)
- 4-(4-Bromophenyl)-N-phenethylthiazol-2-amine (CAS 406472-15-9)
- 1-(4-Bromophenyl)-4-phenylnaphthalene (CAS 1170321-08-0)
- 2-(4-Bromophenyl)-1-phenylnaphthalene (CAS 1533415-48-3)
Recommended Standards
- 2-((tert-Butyldimethylsilyloxy)methyl)-6-((trimethylsilyl)ethynyl)furo[3,2-b]pyridine (CAS 1171920-57-2)
- 1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-5-(trifluoromethyl)-1h-pyrazole-4-carboxylic acid (CAS 1305711-84-5)
- O-(4-bromo-2-chlorophenyl)-O,S- diethyl phosphorothioate (CAS 71093-61-3)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 1823183-59-0)
- Ethyl 4-bromobut-2-ynoate (CAS 39595-70-5)
- 4,4'-Dichloro-[1,1'-biphenyl]-2,2'-dicarboxylic acid (CAS 54389-65-0)
- 3,5-Difluoro-4-(2-methoxyethoxy)aniline (CAS 1178687-28-9)
- 5-(aminomethyl)-3-(3-methylbutyl)-1,3-oxazolidin-2-one hydrochloride (CAS 1423031-40-6)
- 4-(2-(2-(4-Chlorophenyl)-1H-indol-3-yl)hydrazinyl)-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide (CAS 88152-04-9)
- Orforglipron Impurity 94 (CAS CATO-C4X-323494)
- Finasteride Impurity 52 (CAS CATO-C4X-164552)
- 4-(Butylamino)-6-phenylpyridazin-3(2H)-one (CAS 89868-09-7)
- Iguratimod Impurity 56 (CAS CATO-C4X-182656)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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