4-(((5-Bromothiophen-2-yl)methylene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478254-55-6
| CAS No. | 478254-55-6 |
| Molecular Formula | C13H8BrClN4S2 |
| Molecular Weight | 399.72 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-(((5-Bromothiophen-2-yl)methylene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-55-6), molecular formula C13H8BrClN4S2 and molecular weight 399.72 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H8BrClN4S2, 4-(((5-Bromothiophen-2-yl)methylene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 399.72 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.
As a certified reference material (CRM), 4-(((5-Bromothiophen-2-yl)methylene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione 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 | C13H8BrClN4S2 |
| Molecular Weight | 399.72 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Bromothiophen Standards
- 4-(((5-Bromothiophen-2-yl)methylene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-45-7)
- 2-(1-((5-Bromothiophen-2-yl)sulfonyl)azetidin-3-yl)-1H-benzo[d]imidazole (CAS 1251682-13-9)
- 1-(4-(5-Bromothiophen-2-yl)thiazol-2-yl)-3-(2-fluorophenyl)urea (CAS 1251562-20-5)
- 3-(5-Bromothiophen-2-yl)-N'-(3-phenylallylidene)-1H-pyrazole-5-carbohydrazide (CAS 307975-68-4)
- 3,6-Bis(5-bromothiophen-2-yl)-1,2,4,5-tetrazine (CAS 1279083-60-1)
- N-(4-(5-Bromothiophen-2-yl)thiazol-2-yl)-3-methoxybenzamide (CAS 391229-46-2)
- 6-((4-Bromothiophen-2-yl)methoxy)-9-cyclopentyl-9H-purin-2-amine (CAS 863772-00-3)
- Methyl 1-(5-(3-bromothiophen-2-yl)-3-cyano-1H-pyrrol-2-yl)piperidine-4-carboxylate (CAS 477854-09-4)
Recommended Standards
- 4-(4-Bromophenyl)-2-[(4-chlorophenyl)sulfanyl]-4-oxobutanoic acid (CAS 306730-10-9)
- 2-[(4-Bromophenyl)sulfanyl]-4-(4-chlorophenyl)-4-oxobutanoic acid (CAS 329080-00-4)
- Tetrakis(bromomethyl)ethene (CAS 30432-16-7)
- (E)-5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(3-(trifluoromethyl)benzoyl) oxime (CAS 318284-52-5)
- 2,5-Difluoro-3,4'-bipyridine (CAS 1214324-74-9)
- 2-(Dimethylamino)-2-oxoethyl 2-methoxybenzoate (CAS 6754-98-9)
- D-chiro-Inositol (CAS 643-12-9)
- 1-(3-Bromophenyl)-1h-imidazol-2-amine (CAS 1695056-60-0)
- Minoxidil Impurity 9 (CAS 74638-76-9)
- 7-Bromo-8-chloro-[1,3]dioxolo[4,5-g]quinoline (CAS 1402224-61-6)
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- 4'-(Difluoromethoxy)-4,2':6',4''-terpyridine (CAS 1214348-06-7)
- Edoxaban-d6 (CAS 1304701-57-2)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
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