2-Bromo-1-methoxy-4-(methylsulfonyl)benzene CAS 20951-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20951-42-2 |
| Molecular Formula | C8H9BrO3S |
| Molecular Weight | 265.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-1-methoxy-4-(methylsulfonyl)benzene (CAS 20951-42-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H9BrO3S. Molecular weight: 265.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H9BrO3S |
| Molecular Weight | 265.12 g/mol |
| 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.) | 1962 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-2-methoxy-1-(methylsulfonyl)benzene (CAS 1095544-87-8)
- Methyl 4-bromo-3-methoxy-5-methyl-2-thiophenecarboxylate (CAS 123342-03-0)
- (3-Bromo-5-(methylsulfonyl)phenyl)methanol (CAS 1338796-07-8)
- 4'-Bromo-3-fluoro-4-methyl-1,1'-biphenyl (CAS 1443312-45-5)
- 3'-Bromo-3-fluoro-2-methyl-1,1'-biphenyl (CAS 1443313-42-5)
- 3'-Bromo-4-fluoro-2-methyl-1,1'-biphenyl (CAS 1443314-36-0)
- 4'-Bromo-4-fluoro-2-methyl-1,1'-biphenyl (CAS 1443325-28-7)
- 4'-Bromo-5-fluoro-2-methyl-1,1'-biphenyl (CAS 1443325-46-9)
Recommended Standards
- 2-((2-Bromophenyl)sulfonyl)ethan-1-ol (CAS 685892-17-5)
- 2-Bromo-4-fluoro-4'-methyl-1,1'-biphenyl (CAS 2404733-84-0)
- 1-Bromo-5-(4-fluorophenyl)-2-methylbenzene (CAS 2145093-89-4)
- 3-(2,5-Dimethylpyrrolidin-1-yl)benzoic acid (CAS 946676-66-0)
- Imino(methyl)(thiophen-2-yl)-l6-sulfanone (CAS 145026-08-0)
- 5-(Pyrrolidin-1-yl)-2H-tetrazole-2-acetic acid (CAS 374822-49-8)
- (6-Methyl-4,5,6,7-tetrahydrofuro[2,3-c]pyridin-2-yl)methanol (CAS 131169-31-8)
- 4,7-Dibromobenzo[d]thiazole (CAS 2089292-19-1)
- calciumdi-beta-alaninate (CAS 36321-40-1)
- Osteoblast Activating Peptide (mouse, rat) (H-7262.0500) (CAS 1222950-80-2)
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