1,3-Dibromo-5-(chloromethyl)benzene CAS 74337-30-7
| CAS No. | 74337-30-7 |
| Molecular Formula | C7H5Br2Cl |
| Molecular Weight | 284.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H5Br2Cl, 1,3-Dibromo-5-(chloromethyl)benzene contains chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.38 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).
1,3-Dibromo-5-(chloromethyl)benzene (CAS 74337-30-7), molecular formula C7H5Br2Cl and molecular weight 284.38 g/mol, is a CATO reference standard with documented purity and traceability.
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 1,3-Dibromo-5-(chloromethyl)benzene 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 | C7H5Br2Cl |
| Molecular Weight | 284.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl/Br-containing |
Related Dibromo Standards
- 1,4-Dibromo-2-chloro-3-methylbenzene (CAS 1000573-62-5)
- 2,5-Dibromo-1-chloro-3-methylbenzene (CAS 1000573-82-9)
- 1,2-Dibromo-4-chloro-5-methylbenzene (CAS 1160574-04-8)
- 1,3-Dibromo-4-chloro-2-methylbenzene (CAS 1263376-29-9)
- 1,2-Dibromo-3-chloro-4-methylbenzene (CAS 1881330-43-3)
- 1,3-Dibromo-2-(chloromethyl)benzene (CAS 858006-31-2)
- 1,4-Dibromo-2-(chloromethyl)benzene (CAS 642091-49-4)
- 1,4-Dibromo-2-chloro-5-methylbenzene (CAS 28667-41-6)
Recommended Standards
- 1-(3-(Thiophen-2-yl)-5-(o-tolyl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (CAS 710986-70-2)
- [(4-phenyl-5-thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)thio]acetic acid (CAS 757220-14-7)
- 1,5-Dibromo-2-chloro-3-methylbenzene (CAS 874513-80-1)
- (5-(Trifluoromethyl)benzene-1,2,3-triyl)tris(methylsulfane) (CAS 65516-85-0)
- Diethylstilbestrol Monophosphate (CAS 47341-71-9)
- Methyl (R)-3-amino-3-(3,4-difluorophenyl)propanoate (CAS 1213486-71-5)
- 2-Oxa-6-azaspiro[3.3]heptane Oxalate (CAS 1159599-99-1)
- 3,4,5-Trimethoxy-N-(2-oxo-2-(2-phenylmorpholino)ethyl)benzamide (CAS 954067-17-5)
- Saxagliptin Impurity 58 (CAS 841302-24-7)
- Indometacin Impurity 62 (CAS CATO-C4X-147062)
- 3,5-Dichloro-4-fluorobenzaldehyde (CAS 117820-80-1)
- (2-Cyano-4-(piperazin-1-yl)phenyl)boronic acid (CAS 2225155-93-9)
- 8-Nitro-1,2-dihydroquinoline (CAS 41959-43-7)
- Peptide 431 (CAS CATO-CPTD788431)
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