4-Methoxy-3-oxobutanoic acid CAS 68665-45-2
| CAS No. | 68665-45-2 |
| Molecular Formula | C5H8O4 |
| Molecular Weight | 132.11 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.
CATO supplies 4-Methoxy-3-oxobutanoic acid (CAS 68665-45-2), a certified reference material (molecular formula C5H8O4, MW 132.11 g/mol) for analytical method development and quality control.
4-Methoxy-3-oxobutanoic acid (C5H8O4) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO manufactures 4-Methoxy-3-oxobutanoic acid 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 | C5H8O4 |
| Molecular Weight | 132.11 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.) | 1976 |
Related Methoxy Standards
- 3-Methoxy-2-methyl-3-oxopropanoic acid (CAS 3097-74-3)
- 1-Methoxy-N-methyl-2-nitroethenamine (CAS 110763-36-5)
- (E)-1-Methoxy-N-methyl-2-nitroethen-1-amine (CAS 352530-52-0)
- 5-Methoxy-3H-1,3,4-thiadiazol-2-one (CAS 17605-27-5)
- 4-methoxy-3-methylbutanoic acid (CAS 100862-21-3)
- 1-Methoxy-1,3,3-trimethylurea (CAS 123707-27-7)
- Methoxy Polyethylene Glycol Aldehyde, 20kDa (500 mg) (CAS 125061-88-3)
- 3-Methoxy-2-(methylamino)propanamide (CAS 1251278-58-6)
Recommended Standards
- 4-hydroxytetrahydrofuran-3-carboxylic acid (CAS 915125-20-1)
- 5-(1,1-Difluoroethyl)-1H-imidazole (CAS 2229580-72-5)
- 4-Hydroxytetrahydrofuran-2-carboxylic acid (CAS 89579-74-8)
- cis-1,3-dihydroxycyclobutane-1-carboxylic acid (CAS 2227198-91-4)
- 5-Ethynylbenzene-1,3-diol (CAS 145078-84-8)
- 4-Chloro-2-(2,2-dibromovinyl)-1-fluorobenzene (CAS 1881272-50-9)
- 2,5-Dichloro-1-methyl-1H-benzimidazole (CAS 15965-64-7)
- Methyl (2S,4S)-4-[2-bromo-4-(tert-pentyl)phenoxy]-2-pyrrolidinecarboxylate hydrochloride (CAS 1354484-66-4)
- N1-(4-Methoxy-2-nitrophenyl)-1,2-ethanediamine (CAS 13556-31-5)
- Polmacoxib D6 (CAS CATO-C4X-20411)
- 2-((4-Bromophenyl)thio)-N-cyclopentylacetamide (CAS 380542-48-3)
- 5,6-Diamino-4-(benzylimino)-3,4-dihydropyrimidin-2(1H)-one (CAS 63722-86-1)
- 5-Phenyl-2-thioxoimidazolidin-4-one L-asparaginate (CAS 5624-08-8)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
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