4-(4-Bromo-3-methylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one CAS 1440535-69-2
| CAS No. | 1440535-69-2 |
| Molecular Formula | C9H8BrN3O |
| Molecular Weight | 254.08 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.
CATO supplies 4-(4-Bromo-3-methylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 1440535-69-2), a certified reference material (molecular formula C9H8BrN3O, MW 254.08 g/mol) for analytical method development and quality control.
Structurally, 4-(4-Bromo-3-methylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (C9H8BrN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 254.08 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-(4-Bromo-3-methylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one 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.
Physical & Chemical Properties
| Molecular Formula | C9H8BrN3O |
| Molecular Weight | 254.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1992 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 6-Bromo-N-methyl-1H-indazole-3-carboxamide (CAS 1445966-92-6)
- 2-(Aminomethyl)-1-(5-methylthiophen-2-yl)butan-1-ol (CAS 1481116-79-3)
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- (1R,5S,6r)-2,4-dioxo-3-oxabicyclo[3.1.0]Hexane-6-carboxylic acid (CAS 187681-87-4)
- 3-Bromo-4-ethoxy-5-methoxybenzoic acid (CAS 671790-48-0)
- ((1R)-3-azabicyclo[3.1.0]Hexan-1-yl)methanol (CAS 1268515-32-7)
- 3-Ethyl-4-methoxybenzaldehyde (CAS 103323-26-8)
- Tert-butyl 2-(4-nitrobenzoyl)pyrazolidine-1-carboxylate (CAS 1135283-69-0)
- 5-Amino-3-bromo-2-methoxypyridine (CAS 53242-18-5)
- 4-Phenylquinazoline-6-carbaldehyde (CAS 648449-08-5)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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