(E)-5-(3-bromophenyl)pent-4-enoic acid CAS 1180670-58-9
| CAS No. | 1180670-58-9 |
| Molecular Formula | C11H11BrO2 |
| Molecular Weight | 255.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (E)-5-(3-bromophenyl)pent-4-enoic acid.
(E)-5-(3-bromophenyl)pent-4-enoic acid (CAS 1180670-58-9), molecular formula C11H11BrO2 and molecular weight 255.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H11BrO2, (E)-5-(3-bromophenyl)pent-4-enoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (E)-5-(3-bromophenyl)pent-4-enoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H11BrO2 |
| Molecular Weight | 255.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1989 |
| Halogen Content | Br-containing |
Related E Standards
- 1-(2-Bromophenyl)-3-cyclopropylurea (CAS 100561-74-8)
- 1-(3-Bromophenyl)pentane-1,3-dione (CAS 1040075-94-2)
- 1-(4-Bromophenyl)cyclopropane-1-carbohydrazide (CAS 1098360-87-2)
- (R)-3-(3-Bromophenyl)piperazin-2-one (CAS 1228549-76-5)
- (S)-3-(4-Bromophenyl)piperazin-2-one (CAS 1228557-29-6)
- (R)-3-(4-Bromophenyl)piperazin-2-one (CAS 1228559-42-9)
- (S)-3-(3-Bromophenyl)piperazin-2-one (CAS 1228566-56-0)
- 3-(2-Bromophenyl)piperazin-2-one (CAS 1246548-54-8)
Recommended Standards
- 3-Amino-4-bromo-N-cyclopropylbenzamide (CAS 1175951-94-6)
- N-(6-Bromoindolin-4-yl)acetamide (CAS 1202765-42-1)
- 5-Bromo-2-(cyclopropylmethoxy)benzaldehyde (CAS 1156170-18-1)
- 1-(2-Bromopyridin-4-yl)piperidin-2-one (CAS 1209458-39-8)
- 1-(4-Methylphenyl)cyclobutanemethanamine (CAS 1098362-01-6)
- (3-Hydroxyazetidin-1-yl)(morpholino)methanone (CAS 1496767-89-5)
- Malvidin-3-O-Glucoside Chloride (CAS 7228-78-6)
- (D-Ser2)-Leu-Enkephalin-Thr (CAS 75644-90-5)
- (R)-(5S)-2-Isopropyl-5-methylcyclohexyl 4-methylbenzenesulfinate (CAS 91796-57-5)
- 3-Fluoro-5-methylisonicotinic acid (CAS 1211578-10-7)
- Destruxin B (CAS 2503-26-6)
- 4-(Naphthalen-2-yloxy)butane-1-sulfonyl chloride (CAS 1375068-51-1)
- 3-Isopropoxypiperidine (CAS 1220175-72-3)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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