Methyl 5-bromo-2-hydroxy-3-nitrobenzoate CAS 91983-31-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91983-31-2 |
| Molecular Formula | C8H6BrNO5 |
| Molecular Weight | 276.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-bromo-2-hydroxy-3-nitrobenzoate (CAS 91983-31-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6BrNO5. Molecular weight: 276.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6BrNO5 |
| Molecular Weight | 276.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-(3-Bromo-5-nitrophenyl)-2-hydroxyacetic acid (CAS 1261685-12-4)
- 2-(2-Bromo-5-nitrophenyl)-2-hydroxyacetic acid (CAS 1261820-80-7)
- 2-Bromo-4-methoxy-5-nitrobenzoic acid (CAS 126491-49-4)
- 6-Bromo-3-methoxy-2-nitrobenzoic Acid (CAS 127971-97-5)
- 4-BRomo-2-nitrophenoxyacetic acid (CAS 128627-49-6)
- 4-Bromo-5-methoxy-2-nitrobenzoic Acid (CAS 1527490-64-7)
- Methyl 2-bromo-4-hydroxy-5-nitrobenzoate (CAS 1642794-76-0)
- 2-(3-Bromo-4-hydroxy-5-nitrophenyl)acetic acid (CAS 38694-44-9)
Recommended Standards
- Methyl 3-Bromo-4-hydroxy-5-nitrobenzoate (CAS 40258-72-8)
- 3-Bromo-8-(trifluoromethyl)quinoline (CAS 1059064-11-7)
- Benzoic acid, 4-bromo-3-hydroxy-2-nitro-, methyl ester (CAS 37524-01-9)
- 3,4-Dichloro-N-(2-chloroethyl)benzamide (CAS 15317-17-6)
- (S)-1-(4-Bromophenyl)-2,2,2-trifluoroethanamine (CAS 778565-93-8)
- Methanone, (4-bromo-3-methylphenyl)-4-thiomorpholinyl- (CAS 1713436-27-1)
- 1-((1-Cyclohexyl-1H-tetrazol-5-yl)methyl)-3-(thiophen-2-ylmethyl)urea (CAS 921151-16-8)
- 252881-74-6 tert-Butyl 12-amino-4,7,10-trioxadodecanoate tert-Butyl 3-[2-(2-(2-aminoethoxy)ethoxy)ethoxy]propionate (CAS 252881-74-6)
- 2491-06-7 YXK75EAE92 N,N-Dimethylglycine hydrochloride N,N-Dimethylglycinium chloride Glycine, N,N-dimethyl-, hydrochloride Glycine, N,N-dimethyl-, hydrochloride (1:1) AI3-62132 CCRIS 3352 (Dimethylamino)acetic acid hydrochloride Dimethylglycine hydrochloride EINECS 219-648-2 N-Methylsarcosine hydrochloride UNII-YXK75EAE92 (CAS 2491-06-7)
- Mast Cell Degranulating Peptide HR-1 (CAS 80533-94-4)
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 13829788188 / jacky.chen@cato-chem.com