2-(5-Bromothiophen-2-yl)cyclopropane-1-carboxylic acid CAS 1157641-77-4
| CAS No. | 1157641-77-4 |
| Molecular Formula | C8H7BrO2S |
| Molecular Weight | 247.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(5-Bromothiophen-2-yl)cyclopropane-1-carboxylic 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.
2-(5-Bromothiophen-2-yl)cyclopropane-1-carboxylic acid (CAS 1157641-77-4), molecular formula C8H7BrO2S and molecular weight 247.11 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 2-(5-Bromothiophen-2-yl)cyclopropane-1-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 247.11 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.
Physical & Chemical Properties
| Molecular Formula | C8H7BrO2S |
| Molecular Weight | 247.11 g/mol |
| 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.) | 1989 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromothiophen Standards
- 2-(4-Bromothiophen-2-yl)cyclopropane-1-carboxylic acid (CAS 1497134-46-9)
- 1-(5-Bromothiophen-2-yl)butane-1,3-dione (CAS 26963-41-7)
- Methyl 3-(4-bromothiophen-2-yl)acrylate (CAS 91150-58-2)
- Methyl 3-(5-bromothiophen-2-yl)acrylate (CAS 64389-22-6)
- (1-((3-Bromothiophen-2-yl)methyl)cyclopropyl)methanol (CAS 1483472-29-2)
- (1-((5-Bromothiophen-2-yl)methyl)cyclopropyl)methanol (CAS 1491967-73-7)
- 1-(4-Bromothiophen-2-yl)-2,2-dimethylpropan-1-one (CAS 33148-68-4)
- 2-(5-Bromothiophen-2-yl)piperazine (CAS 111760-29-3)
Recommended Standards
- 1-(5-Bromo-2-(methylthio)pyrimidin-4-yl)ethanone (CAS 1092287-25-6)
- 2-Bromo-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid (CAS 1368297-20-4)
- n-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)formamide (CAS 480424-94-0)
- (4-Bromo-2-hydroxyphenyl)thiourea (CAS 1404480-07-4)
- 1-(4-Chlorophenyl)-N-(4-methoxyphenyl)methanimine (CAS 1749-03-7)
- 2-(Difluoromethyl)-3,5-dimethoxypyridine-6-sulfonamide (CAS 1805162-30-4)
- Cannabichromeorcin (CBCO) (CAS 55824-09-4)
- 2,2,2-Trifluoro-1-(4-(isopentyloxy)-3-methylphenyl)ethan-1-one (CAS 1443344-36-2)
- (2-Amino-3-(aminomethyl)-5-(difluoromethyl)pyridin-4-yl)methanol (CAS 1806006-00-7)
- 6-bromothieno[3,2-b]thiophene-5-carboxylic acid (CAS 2573123-41-6)
- Tert-butyl (1R,5R,6R)-5-amino-3-azabicyclo[4.1.0]Heptane-3-carboxylate (CAS 1932247-10-3)
- N-(2-Cyclohexyl-2-hydroxyethyl)naphthalene-1-sulfonamide (CAS 1351633-86-7)
- (E)-1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)-ethanone O-[(2,4-dichlorophenyl)methyl]oxime mononitrate (CAS 64211-44-5)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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