4-Bromo-2,5-dimethoxy-benzoic acid methyl ester CAS 855749-57-4
| CAS No. | 855749-57-4 |
| Molecular Formula | C10H11BrO4 |
| Molecular Weight | 275.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Bromo-2,5-dimethoxy-benzoic acid methyl ester (CAS 855749-57-4) is a high-purity analytical reference standard with the molecular formula C10H11BrO4 and a molecular weight of 275.10 g/mol.
Structurally, 4-Bromo-2,5-dimethoxy-benzoic acid methyl ester (C10H11BrO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 275.10 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4-Bromo-2,5-dimethoxy-benzoic acid methyl ester 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 | C10H11BrO4 |
| Molecular Weight | 275.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1987 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 5-Bromo-N-(2-(dimethylamino)-2-oxoethyl)furan-2-carboxamide (CAS 1003534-48-2)
- 5-Bromo-2-(tert-butoxy)pyrimidine-4-carboxylic acid (CAS 1023812-10-3)
- 4-Bromo-N-(2-methoxyethyl)-2-nitroaniline (CAS 1036551-45-7)
- Methyl 5-bromo-4-(hydroxymethyl)-2-methoxybenzoate (CAS 1075281-20-7)
- 2-(5-bromo-3-pyridyl)-1,3-benzoxazole (CAS 1160274-30-5)
- 5-Bromo-N,3-dimethoxy-N-methylpicolinamide (CAS 1171919-90-6)
- 5-Bromo-2-(pyridin-4-yl)benzo[d]oxazole (CAS 1192018-93-1)
- 5-Bromo-2-hydroxy-6-phenylnicotinonitrile (CAS 1228182-71-5)
Recommended Standards
- 3-Bromo-9H-xanthen-9-one (CAS 500286-36-2)
- 4-Bromo-2H-benzo[h]chromen-2-one (CAS 2097816-01-6)
- 3-bromo-5-ethoxy-N’,4-dihydroxybenzenecarboximidamide (CAS 926232-21-5)
- 4-Bromo-3,5-dimethoxybenzohydrazide (CAS 263567-38-0)
- 2-Amino-4-(2-isopropyl-2H-tetrazol-5-yl)phenol (CAS 1092205-12-3)
- Ethyl 1-(3,4-dichlorophenyl)-4-formyl-1H-pyrazole-3-carboxylate (CAS 1447607-99-9)
- 5-((3-(4-Isobutoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(2-methoxyethyl)-2-thioxothiazolidin-4-one (CAS 624724-24-9)
- 4-(2-Fluorobenzyl)-4H-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 1043465-80-0)
- Perindopril Impurity 70 (CAS 144540-74-9)
- 4-(2-(m-Tolyl)-1H-indol-3-yl)butan-1-amine oxalate (CAS 1177350-95-6)
- 2,3-Dimethoxy Quinoline (CAS 172605-01-5)
- 4-(4-((3-Nitrophenyl)sulfonyl)piperazin-1-yl)-4-oxobut-2-enoic acid (CAS 744230-71-5)
- Methyl 2-((4-(thiophen-2-yl)pyrimidin-2-yl)thio)acetate (CAS 439110-67-5)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
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