2,3-dibromo-5-methyl-benzoyl chloride CAS 154257-83-7
| CAS No. | 154257-83-7 |
| Molecular Formula | C8H5Br2ClO |
| Molecular Weight | 312.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 312.39 g/mol gives 2,3-dibromo-5-methyl-benzoyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-dibromo-5-methyl-benzoyl chloride (CAS 154257-83-7), molecular formula C8H5Br2ClO and molecular weight 312.39 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H5Br2ClO, 2,3-dibromo-5-methyl-benzoyl chloride contains a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 312.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3-dibromo-5-methyl-benzoyl chloride 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 | C8H5Br2ClO |
| Molecular Weight | 312.39 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl/Br-containing |
Related dibromo Standards
- 2,2-Dibromo-1-(4-chlorophenyl)ethanone (CAS 13651-12-2)
- 3,4-Dibromo-3-chlorotetrahydrothiophene 1,1-dioxide (CAS 119885-07-3)
- 1,5-Dibromo-2-chloro-3-isopropylbenzene (CAS 1160575-03-0)
- 2,5-Dibromo-3-pentylthiophene (CAS 1187577-37-2)
- 6,7-Dibromo-3,6-dimethyloctahydrobenzofuran (CAS 832721-47-8)
- 1,4-Dibromo-2-methoxy-6-(methylsulfanyl)benzene (CAS 1809161-42-9)
- 2,3-Dibromo-1,1'-biphenyl (CAS 115245-06-2)
- 5,6-Dibromo-1,2-dihydroacenaphthylene (CAS 14209-08-6)
Recommended Standards
- N-(2-(3-(Pyridin-2-yl)-1H-pyrazol-1-yl)ethyl)-2-(thiophen-2-yl)acetamide (CAS 1448056-60-7)
- 1,3-Dimethyl-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)-1H-pyrazole-5-carboxamide (CAS 1704639-10-0)
- 142354-86-7 2-(2-Methoxyphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one MFCD00546741 (CAS 142354-86-7)
- 6-(tert-Butyl)-3-(3-methylbenzofuran-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (CAS 1707668-55-0)
- 6-(Fluoromethyl)bicyclo[4.1.0]Heptan-3-one (CAS 2387598-02-7)
- Potassium 4-(dimethylamino)butanoate (CAS 139620-14-7)
- (5E)-5-(2,6-Dichlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 65562-49-4)
- 2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 27166-46-7)
- 2-(2-Chloro-3-cyano-5-(difluoromethyl)pyridin-4-yl)acetic acid (CAS 1804668-59-4)
- 4,4'-(Phenylphosphanediyl)bis(N,N-dimethylaniline) (CAS 1100-11-4)
- N-(6-Isopropylbenzo[d]thiazol-2-yl)-3-methylisoxazole-5-carboxamide (CAS 946205-19-2)
- 1-(4-Chlorophenyl)cyclopropane-1-carbohydrazide hydrochloride (CAS 1586668-18-9)
- 2-Isopropoxyacetohydrazide hydrochloride (CAS 898747-67-6)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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