N-(4-bromophenyl)-1,2,3,4-thiatriazol-5-amine CAS 68371-97-1
| CAS No. | 68371-97-1 |
| Molecular Formula | C7H5BrN4S |
| Molecular Weight | 257.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
N-(4-bromophenyl)-1,2,3,4-thiatriazol-5-amine (CAS 68371-97-1), molecular formula C7H5BrN4S and molecular weight 257.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(4-bromophenyl)-1,2,3,4-thiatriazol-5-amine (C7H5BrN4S) contains a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system. 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 257.11 g/mol, it falls into the medium-molecular-weight range. 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), N-(4-bromophenyl)-1,2,3,4-thiatriazol-5-amine 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 | C7H5BrN4S |
| Molecular Weight | 257.11 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.) | 1976 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related N Standards
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- 1-(4-Bromophenyl)-1H-tetrazole-5-thiol (CAS 22347-29-1)
- 5-(3-Bromophenyl)-1,3,4-oxadiazole-2-thiol (CAS 88466-20-0)
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