4-(2,4-Dibromo-6-trifluoromethoxyphenyl)-thiosemicarbazide CAS 1303993-78-3
| CAS No. | 1303993-78-3 |
| Molecular Formula | C8H6Br2F3N3OS |
| Molecular Weight | 409.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(2,4-Dibromo-6-trifluoromethoxyphenyl)-thiosemicarbazide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-(2,4-Dibromo-6-trifluoromethoxyphenyl)-thiosemicarbazide (CAS 1303993-78-3), a certified reference material (molecular formula C8H6Br2F3N3OS, MW 409.02 g/mol) for analytical method development and quality control.
Structurally, 4-(2,4-Dibromo-6-trifluoromethoxyphenyl)-thiosemicarbazide (C8H6Br2F3N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 409.02 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 4-(2,4-Dibromo-6-trifluoromethoxyphenyl)-thiosemicarbazide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H6Br2F3N3OS |
| Molecular Weight | 409.02 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dibromo Standards
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Recommended Standards
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- 5-Amino-1-(benzo[d]oxazol-2-yl)-2,3-dihydro-1H-pyrazole-4-carbonitrile (CAS 1033463-25-0)
- 2-Methoxy-4-methylbenzonitrile (CAS 53078-69-6)
- 4-Bromo-6-methyl-2-(propan-2-yl)pyrimidine (CAS 1134263-20-9)
- Fluocinolone Acetonide Impurity 45 (CAS 39987-51-4)
- N-(2-(dimethylamino)ethyl)-2-(piperazin-1-yl)acetamide (CAS 887833-64-9)
- 1-Methyl-3-(tetrahydro-2H-pyran-4-yl)piperazine (CAS 1893829-82-7)
- (3R,4S,5S)-4-((S)-2-((S)-2-(Dimethylamino)-3-methylbutanamido)-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoic acid hydrochloride (CAS 2247145-33-9)
- 3-(4-Chlorophenyl)-2,4-difluoropropiophenone (CAS 654673-29-7)
- N-cycloheptyl-3-methylbenzamide (CAS 339018-57-4)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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