2,5-Dibromo-4-methylbenzoic acid CAS 20871-01-6
| CAS No. | 20871-01-6 |
| Molecular Formula | C8H6Br2O2 |
| Molecular Weight | 293.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Dibromo-4-methylbenzoic acid (CAS 20871-01-6), a certified reference material (molecular formula C8H6Br2O2, MW 293.94 g/mol) for analytical method development and quality control.
The molecular framework of 2,5-Dibromo-4-methylbenzoic acid (C8H6Br2O2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 2,5-Dibromo-4-methylbenzoic acid 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 | C8H6Br2O2 |
| Molecular Weight | 293.94 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 3,5-Dibromo-2-methylbenzoic acid (CAS 100958-94-9)
- 3,5-Dibromo-4-methoxybenzaldehyde (CAS 108940-96-1)
- 2,6-Dibromo-4-methylbenzoic acid (CAS 128733-74-4)
- 3,4-Dibromo-5-methylbenzoic acid (CAS 1564638-18-1)
- 3,5-Dibromo-N'-hydroxybenzene-1-carboximidamide (CAS 1937230-53-9)
- 1-(2,4-Dibromo-6-hydroxyphenyl)ethan-1-one (CAS 669767-20-8)
- 1-(2,6-Dibromo-4-hydroxyphenyl)ethanone (CAS 861296-70-0)
- 1-(3,5-Dibromo-2-hydroxyphenyl)ethanone (CAS 22362-66-9)
Recommended Standards
- 2,5-Dibromo-3-methylbenzoic acid (CAS 908597-09-1)
- 2,6-Dibromo-3,5-dimethyl-1,4-benzoquinone Standard (CAS 87405-27-4)
- 2,5-Dibromo-3-methoxybenzaldehyde (CAS 856767-02-7)
- 2,6-Dibromo-3-methoxybenzaldehyde (CAS 486455-81-6)
- 5-(methoxymethyl)-1,2-oxazole-3-carbaldehyde (CAS 893749-91-2)
- 4-[(Phenylmethoxy)methyl]benzoic acid (CAS 22714-44-9)
- Ethyl 2-(3-hydroxypyrrolidin-3-yl)acetate hydrochloride (CAS 2095236-83-0)
- 2-Bromo-6-methoxybenzo[b]thiophene 1,1-dioxide (CAS 862081-98-9)
- Cetirizine Impurity 23 XTFA salt (CAS CATO-C4X-158223)
- 2,2-Difluoro-2-(p-tolyl)ethanamine (CAS 1393532-34-7)
- DPP48-CHO (CAS 2243218-25-7)
- 3-[(1,3-dioxaindan-5-yl)sulfamoyl]benzoic acid (CAS 775310-75-3)
- 2,5-Diaminobenzoic acid dihydrochloride (CAS 1158259-09-6)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
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