5-(5-Bromopyridin-3-yl)-4-methyl-4H-1,2,4-triazole-3-thiol CAS 951970-16-4
| CAS No. | 951970-16-4 |
| Molecular Formula | C8H7BrN4S |
| Molecular Weight | 271.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-(5-Bromopyridin-3-yl)-4-methyl-4H-1,2,4-triazole-3-thiol (C8H7BrN4S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, 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 271.14 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-(5-Bromopyridin-3-yl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 951970-16-4) is a high-purity analytical reference standard with the molecular formula C8H7BrN4S and a molecular weight of 271.14 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-(5-Bromopyridin-3-yl)-4-methyl-4H-1,2,4-triazole-3-thiol 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 | C8H7BrN4S |
| Molecular Weight | 271.14 g/mol |
| 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.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Bromopyridin Standards
- 2-((5-Bromopyridin-2-yl)amino)cyclohexan-1-ol (CAS 1247187-93-4)
- (1-(6-Bromopyridin-2-yl)piperidin-4-yl)methanol (CAS 1261235-85-1)
- N-(5-Bromopyridin-3-yl)-3,3-dimethylbutanamide (CAS 1266227-14-8)
- (1-(5-Bromopyridin-3-yl)piperidin-4-yl)methanol (CAS 1289122-77-5)
- (1-(6-Bromopyridin-2-yl)piperidin-2-yl)methanol (CAS 1289386-40-8)
- 1-((5-Bromopyridin-3-yl)methyl)piperidin-4-ol (CAS 1296224-86-6)
- 2-(((6-Bromopyridin-3-yl)methyl)(cyclopropyl)amino)ethanol (CAS 1353952-60-9)
- 2-(((2-Bromopyridin-4-yl)methyl)(cyclopropyl)amino)ethanol (CAS 1353952-68-7)
Recommended Standards
- 4-Amino-5-(4-bromophenyl)-4h-1,2,4-triazole-3-thiol (CAS 85106-58-7)
- 5,6-Dichloro-2'-methyl-spiro[indoline-3,3'-pyrrolidine]-2-one (CAS 2874373-80-3)
- 4-Amino-5-(3-bromophenyl)-4h-1,2,4-triazole-3-thiol (CAS 87239-96-1)
- 5,6-Dichloro-2'-methyl-spiro[indoline-3,4'-pyrrolidine]-2-one (CAS 2874373-76-7)
- 3-(Hept-6-en-2-ylamino)thietane 1,1-dioxide (CAS 1873128-45-0)
- 4-Hydroxybenzenesulfonyl fluoride (CAS 368-87-6)
- Dinonyl Phenol (CAS 1323-65-5)
- N-(5-(2-Aminoethyl)-1H-1,2,4-triazol-3-yl)benzamide (CAS 1338495-28-5)
- Methyl 4-methyl-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 343864-83-5)
- N-methyl-3-(piperidin-4-yl)benzamide (CAS 1221279-03-3)
- 3-Bromopyrazolo[1,5-b]pyridazine (CAS 1137949-68-8)
- heptan-1-ol (CAS 53535-33-4)
- 1-(2-Methylphenyl)-1H-pyrazole-4-carbaldehyde (CAS 75815-74-6)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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