4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole CAS 2255-79-0
| CAS No. | 2255-79-0 |
| Molecular Formula | C7H4Br2N2S |
| Molecular Weight | 307.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4Br2N2S, 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole 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 307.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole (CAS 2255-79-0), a certified reference material (molecular formula C7H4Br2N2S, MW 307.99 g/mol) for analytical method development and quality control.
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), 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole 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 | C7H4Br2N2S |
| Molecular Weight | 307.99 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dibromo Standards
- 5,7-Dibromo-1H-1,3-benzodiazole-2-thiol (CAS 116485-01-9)
- 2,6-Dibromo-4-thiocyanatoaniline (CAS 14030-87-6)
- Methyl 3,5-dibromo-2-methylbenzoate (CAS 1000342-33-5)
- 2,2-Dibromo-1-(2-methoxyphenyl)ethan-1-one (CAS 1121543-12-1)
- 5,6-Dibromo-2,2-dimethylbenzo[d][1,3]dioxole (CAS 114414-23-2)
- Methyl 3,4-dibromo-5-methylbenzoate (CAS 1160574-54-8)
- 5-(3,5-Dibromo-1H-1,2,4-triazol-1-yl)pentanenitrile (CAS 1240573-98-1)
- 2,4-Dibromo-1-(tert-butoxy)benzene (CAS 1261988-70-8)
Recommended Standards
- 3-Hydroxy-2',3',4',5'-tetrachlorobiphenyl (CAS 67651-37-0)
- 4-Bromo-7-(bromomethyl)benzo[c][1,2,5]thiadiazole (CAS 2255-78-9)
- 3,3,4,4-TetraCDE (CAS 56348-72-2)
- 4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl (CAS 67651-34-7)
- 1-(3-Fluorophenyl)-3-(propan-2-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1247737-11-6)
- n-(1-(Furan-2-yl)ethyl)-3-iodoaniline (CAS 1152560-02-5)
- N-(4-Methoxybenzyl)methanesulfonamide (CAS 42060-31-1)
- Methanone, (4-bromophenyl)(2,3-dihydro-1,4-benzodioxin-6-yl)- (CAS 101018-99-9)
- 5,6,7,8-Tetrahydroquinazolin-7-amine (CAS 944896-27-9)
- 4-Cyclopropyl-3-methylbutan-2-ol (CAS 1500776-68-0)
- 1-O-Tetradecyl-rac-glycerol (CAS 1561-06-4)
- n-(4-Aminocyclohexyl)-2-methylpentanamide (CAS 1601409-47-5)
- 3-Fluoro-4-hydroxybenzamide (CAS 1155354-10-1)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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