(Z)-3-bromo-4-methoxy-4-oxobut-2-enoic acid CAS 122457-36-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 122457-36-7 |
| Molecular Formula | C5H5BrO4 |
| Molecular Weight | 208.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Z)-3-bromo-4-methoxy-4-oxobut-2-enoic acid (CAS 122457-36-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H5BrO4. Molecular weight: 208.99 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H5BrO4 |
| Molecular Weight | 208.99 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, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
Related Z Standards
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Recommended Standards
- 5-Iodo-3-methyl-1,2-oxazole (CAS 126085-92-5)
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- 1-(2,4-Dichlorobenzyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carbonitrile (CAS 338748-72-4)
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- 4-Amino-1-(2-hydroxy-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (CAS 790299-37-5)
- 3-Bromo-2,6-difluoro-benzenemethanamine (CAS 1499089-79-0)
- (3-Acetyloxy-2-ethoxycarbonylbenzyl)-triphenylphosphonium bromide (CAS 118842-88-9)
- 1-(3,6-Difluoro-2-methylphenyl)ethan-1-one (CAS 1379339-99-7)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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