4-Bromo-2(3H)-benzothiazolethione CAS 1083181-41-2
| CAS No. | 1083181-41-2 |
| Molecular Formula | C7H4BrNS2 |
| Molecular Weight | 246.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-2(3H)-benzothiazolethione 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.
4-Bromo-2(3H)-benzothiazolethione (CAS 1083181-41-2) is a high-purity analytical reference standard with the molecular formula C7H4BrNS2 and a molecular weight of 246.15 g/mol.
Based on its molecular formula C7H4BrNS2, 4-Bromo-2(3H)-benzothiazolethione contains a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C7H4BrNS2 |
| Molecular Weight | 246.15 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.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Bromo Standards
- 2-Bromo-4-(2-thienyl)thiazole, 97% (CAS 1125409-90-6)
- N-[2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethyl]-N,N-dimethylamine (CAS 1170132-58-7)
- 4-Bromo-1-(3,3-dimethylbutyl)-1h-pyrazol-3-amine (CAS 1247438-03-4)
- 4-Bromo-1-(2-methylpentyl)-1h-pyrazol-3-amine (CAS 1249867-00-2)
- 4-Bromo-1-hexyl-1h-pyrazol-3-amine (CAS 1282752-36-6)
- 1-(4-Bromo-1-ethyl-3-methyl-1H-pyrazol-5-yl)-N,N-dimethylmethanamine (CAS 1355214-62-8)
- 5-(3-Bromo-2,2-dimethylpropyl)-1-ethyl-1h-1,2,4-triazole (CAS 1467323-37-0)
- 5-Bromo-2-mercaptobenzothiazole (CAS 71216-20-1)
Recommended Standards
- 5-methyl-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1038261-10-7)
- 2-(4-Ethylbenzyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1004779-49-0)
- Tetramethyl ethane-1,2-diylbis(phosphonate) (CAS 5927-50-4)
- [2-(4-Bromopyrazol-1-yl)ethyl]diethylamine (CAS 1179195-83-5)
- 2,2,8-Trimethylchroman-4-one (CAS 142228-70-4)
- 2-(3-Bromophenyl)-4,6-dichloropyrimidine (CAS 1188237-09-3)
- (S)-N-Nitroso Anatabine (CAS 71267-22-6)
- 2-(3,4-Dichlorobenzyl)-2H-benzo[e][1,2,3,4]thiatriazine 1,1-dioxide (CAS 866151-94-2)
- 2-(Methylthio)-3-(pyrrolidin-2-yl)pyridine (CAS 1336972-65-6)
- 2-{[(4-nitrophenyl)methyl]oxycarbonyl}acetic Acid (CAS 77359-11-6)
- Pemafibrate Impurity 37 (CAS CATO-C4X-290337)
- Carteolol Impurity 24 (CAS CATO-C4X-228724)
- 1-(2-Bromo-4-pyridyl)ethanone (CAS 864674-02-2)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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