4-Bromo-3-methylphenyl isothiocyanate CAS 71672-88-3
| CAS No. | 71672-88-3 |
| Molecular Formula | C8H6BrNS |
| Molecular Weight | 228.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Bromo-3-methylphenyl isothiocyanate 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.
4-Bromo-3-methylphenyl isothiocyanate (CAS 71672-88-3) is a high-purity analytical reference standard with the molecular formula C8H6BrNS and a molecular weight of 228.11 g/mol.
Based on its molecular formula C8H6BrNS, 4-Bromo-3-methylphenyl isothiocyanate contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.11 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H6BrNS |
| Molecular Weight | 228.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-methylbenzo[d]thiazole (CAS 1093107-11-9)
- 7-Bromo-2-methylbenzothiazole (CAS 110704-32-0)
- 4-Bromo-2-methylbenzo[d]thiazole (CAS 112146-10-8)
- 4-Bromo-6-methylbenzo[d]thiazole (CAS 1155287-94-7)
- 7-Bromo-4-methylbenzo[d]thiazole (CAS 1190321-78-8)
- 2-Bromo-3-methylphenylisothiocyanate (CAS 1208076-05-4)
- 3-Bromo-2-methylphenylisothiocyanate (CAS 1208076-46-3)
- 2-bromo-5-methylphenylisothiocyanate (CAS 1208077-38-6)
Recommended Standards
- 4-Bromo-3-methylbenzo[d]isothiazole (CAS 75607-89-5)
- 4-Bromobenzyl thiocyanate (CAS 2740-89-8)
- 4,5,5,5-Tetrafluoro-4-(trifluoromethyl)pentan-1-ol (CAS 29819-73-6)
- 5-(Bromomethyl)thieno[2,3-b]pyridine (CAS 2091064-20-7)
- P-tolyl (E)-but-2-enoate (CAS 41873-74-9)
- 2-(Benzylsulfanyl)-5-(cyclopentylsulfanyl)-1,3,4-thiadiazole (CAS 477846-19-8)
- 1-Isopropyl-5,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1216640-61-7)
- Dronedarone Impurity 38 (CAS CATO-C4X-109238)
- 2-Fluoro-4-methyl-5-nitrobenzamide (CAS 1622004-11-8)
- 1-Isopropyl-4-methyl-1H-benzo[d][1,2,3]triazole (CAS 169212-84-4)
- Piperacillin Methyl Ester (CAS 65700-41-6)
- 3-Fluoro-5-(pentafluoro-lambda6-sulfanyl)benzoic acid (CAS 1448319-13-8)
- 1,4-Diisocyanatocyclohexane (cis- and trans- mixture) (CAS 2556-36-7)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com