1-Bromo-2,3,4,5-tetramethoxy-6-methylbenzene CAS 73875-27-1
| CAS No. | 73875-27-1 |
| Molecular Formula | C11H15BrO4 |
| Molecular Weight | 291.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 291.14 g/mol gives 1-Bromo-2,3,4,5-tetramethoxy-6-methylbenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-2,3,4,5-tetramethoxy-6-methylbenzene (CAS 73875-27-1), molecular formula C11H15BrO4 and molecular weight 291.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 1-Bromo-2,3,4,5-tetramethoxy-6-methylbenzene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 291.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H15BrO4 |
| Molecular Weight | 291.14 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
Related Bromo Standards
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- 6-Bromo-2-isopropyl-4-oxo-1,4-dihydroquinoline-3-carbonitrile (CAS 1210196-09-0)
- 2'-Bromo-3'-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1215206-31-7)
- 2-Bromo-5-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1215206-43-1)
- 2'-Bromo-4'-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1215206-64-6)
- 2-Bromo-6-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1215206-69-1)
- 8-Bromo-2-methyl-2,3-dihydro-1H-benzo[f]chromen-1-one (CAS 1220283-90-8)
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Recommended Standards
- 1-Bromo-2-(dimethoxymethyl)-4,5-dimethoxybenzene (CAS 70461-33-5)
- 1-Bromo-3,4-dimethoxy-2-((methoxymethoxy)methyl)benzene, 97% (CAS 220956-31-0)
- 1-(4-(4-Bromophenoxy)phenyl)ethanone (CAS 54916-27-7)
- 2-(2-Bromopyridin-4-yl)-1-(6-methylpyridin-2-yl)ethanone (CAS 446880-80-4)
- 7-Amino-[1,3]dioxolo[4,5-b]pyridine (CAS 692061-13-5)
- tert-Butyl 2,6-diazaspiro[3.4]octane-6-carboxylate hydrochloride (CAS 1841081-35-3)
- Methyl 5-bromo-2,3-dihydro-1H-indene-2-carboxylate (CAS 628732-09-2)
- 2-(Difluoromethoxy)isonicotinamide (CAS 2167739-11-7)
- (3,5-Dichlorophenyl)(3-fluoro-4-methylphenyl)methanone (CAS 951886-48-9)
- 2-(4-(4-(Trifluoromethyl)phenyl)thiazol-2-yl)acetic acid (CAS 945860-86-6)
- (Z)-2-Hydroxy-6-(4-(pentyloxy)styryl)benzoic acid (CAS 1243583-88-1)
- Silicon(IV) 2-ethylhexanoate (CAS 67939-81-5)
- 1-(6-Hydroxy-4,7-dimethoxybenzofuran-5-yl)ethan-1-one (CAS 484-51-5)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
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