(E)-Methyl 4-hydroxy-2-methylbut-2-enoate CAS 28127-65-3
| CAS No. | 28127-65-3 |
| Molecular Formula | C6H10O3 |
| Molecular Weight | 130.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-Methyl 4-hydroxy-2-methylbut-2-enoate (C6H10O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO supplies (E)-Methyl 4-hydroxy-2-methylbut-2-enoate (CAS 28127-65-3), a certified reference material (molecular formula C6H10O3, MW 130.14 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H10O3 |
| Molecular Weight | 130.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1965 |
Recommended Standards
- (E)-4,4-dimethoxybut-2-enal (CAS 4093-49-6)
- (E)-Methyl 5-hydroxypent-3-enoate (CAS 83606-26-2)
- (E)-3-Hydroxyhex-4-enoic acid (CAS 81357-32-6)
- (R)-2-Cyclobutyl-2-hydroxyacetic acid (CAS 2165929-78-0)
- (3,5-Dichlorophenyl)(ethyl)sulfane (CAS 101079-92-9)
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- 4-((3-Bromobenzylidene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-61-4)
- (2S,3S)-3-hydroxy-6-oxopiperidine-2-carboxylic acid (CAS 299208-59-6)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
Why CATO?
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