Methyl trans-4-Bromocinnamate CAS 71205-17-9
| CAS No. | 71205-17-9 |
| Molecular Formula | C10H9BrO2 |
| Molecular Weight | 241.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl trans-4-Bromocinnamate (CAS 71205-17-9), a certified reference material (molecular formula C10H9BrO2, MW 241.08 g/mol) for analytical method development and quality control.
Structurally, Methyl trans-4-Bromocinnamate (C10H9BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 241.08 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Methyl trans-4-Bromocinnamate 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 | C10H9BrO2 |
| Molecular Weight | 241.08 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.) | 1977 |
| Halogen Content | Br-containing |
Recommended Standards
- methyl 4-bromocubane-1-carboxylate (CAS 37794-28-8)
- Opicapone Impurity 1 (CAS 91591-66-1)
- Methyl 4-Bromocinnamate (CAS 3650-78-0)
- trans-2-(3-Bromophenyl)cyclopropanecarboxylic Acid (CAS 34919-34-1)
- 7-(4-Ethoxyphenyl)-4-methyl-2-(methylthio)-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidine (CAS 338416-18-5)
- Ethyl 4-(chloromethyl)picolinate (CAS 196500-05-7)
- 2-Bromo-3-(difluoromethyl)-4-methoxypyridine (CAS 1805223-05-5)
- 3-[(3-Pyridinyloxy)methyl]piperidinedihydrochloride (CAS 1185297-98-6)
- 2-((3-(Trifluoromethyl)phenoxy)methyl)morpholine (CAS 1047297-46-0)
- 2-(2-Bromobenzylidene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 351443-06-6)
- 1-(3,4-Dipropoxyphenyl)urea (CAS 757192-87-3)
- (4-Cyclopropoxy-3-nitrophenyl)methanamine (CAS 1243388-06-8)
- methyl 2-amino-3-(morpholin-4-yl)propanoate dihydrochloride (CAS 1803561-64-9)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
Why CATO?
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