Ethyl 4,4-dimethoxy-3-methylbut-2-enoate CAS 83803-81-0
| CAS No. | 83803-81-0 |
| Molecular Formula | C9H16O4 |
| Molecular Weight | 188.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 4,4-dimethoxy-3-methylbut-2-enoate (CAS 83803-81-0), molecular formula C9H16O4 and molecular weight 188.22 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Ethyl 4,4-dimethoxy-3-methylbut-2-enoate (C9H16O4) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
CATO manufactures Ethyl 4,4-dimethoxy-3-methylbut-2-enoate 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.
Physical & Chemical Properties
| Molecular Formula | C9H16O4 |
| Molecular Weight | 188.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1980 |
Related Ethyl Standards
- Ethyl 4,4-dimethoxy-2-methylbut-2-enoate (CAS 1351249-60-9)
- Methyl 3,3-dimethoxy-1-Methylcyclobutane-1-carboxylate (CAS 1523570-99-1)
- 2,2-dimethoxy-1-(piperazin-1-yl)ethan-1-one (CAS 1955554-66-1)
- 29865-90-5 3,4-Dimethoxy-5-hydroxybenzaldehyde 3-hydroxy-4,5-dimethoxybenzaldehyde A20562 (CAS 29865-90-5)
- 2,4-Dimethoxy-6-hydroxybenzaldehyde; 4,6-Dimethoxy-2-hydroxybenzaldehyde 708-76-9 AB1002225 (CAS 708-76-9)
- 3,3-dimethoxy-2,2,4,4-tetramethylcyclobutan-1-ol (CAS 1936554-46-9)
- (2,6-dimethoxy-3-pyridinyl)boronic acid (2,6-dimethoxypyridin-3-yl)boronic acid 221006-70-8 A815922 (CAS 221006-70-8)
- 3,5-Dimethoxy-1-methyl-2-(methylthio)-1H-pyrrole (CAS 709647-47-2)
Recommended Standards
- Ethyl 4-(propa-1,2-dien-1-yl)benzoate (CAS 709665-45-2)
- ethyl 4-phenylbut-2-ynoate (CAS 96417-50-4)
- Ethyl 3,3-diethoxyacrylate (CAS 32002-24-7)
- Ethyl 5-hydroxy-2,2-dimethyl-3-oxopentanoate (CAS 84752-35-2)
- (S)-2-(4-(tert-Butoxycarbonyl)morpholin-2-yl)acetic acid (CAS 1257850-82-0)
- n-Propylquinolin-5-amine (CAS 188120-70-9)
- ethyl 2,1,3-benzoxadiazole-4-carboxylate (CAS 37466-85-6)
- VRT-1353385 (CAS 1616113-45-1)
- 2-[2-(benzyloxy)phenyl]ethan-1-amine hydrochloride (CAS 61035-94-7)
- ((Methylstannanetriyl)tris(sulfanediyl))tris(ethane-2,1-diyl) tris(decanoate) (CAS 68928-50-7)
- 3-Ethoxy-5,5-dimethylcyclohex-2-en-1-imine (CAS 957487-03-5)
- 1-(6-Methoxypyridin-3-yl)cyclopropanecarbonitrile (CAS 1282555-25-2)
- 3-(Ethoxycarbonyl)-1-(4-methylphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264047-34-8)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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