3-Hydroxy-2-oxobutanoic acid CAS 1944-42-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1944-42-9 |
| Molecular Formula | C4H6O4 |
| Molecular Weight | 118.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-2-oxobutanoic acid (CAS 1944-42-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H6O4. Molecular weight: 118.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H6O4 |
| Molecular Weight | 118.09 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.) | 1957 |
Related Hydroxy Standards
- 4-Hydroxy-3-oxobutanoic acid (CAS 162369-88-2)
- (R)-3-Hydroxy-2-oxobutanoic acid (CAS 68862-42-0)
- 4-Hydroxy-2-oxobutanoic acid (CAS 22136-38-5)
- N’-hydroxy-2-methoxypropanimidamide (CAS 1251430-35-9)
- 3-Hydroxy-2-(hydroxymethyl)-2-methylpropanal (CAS 18516-18-2)
- (R)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-02-5)
- (S)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-07-0)
- 2-Hydroxy-2-methylpropanehydrazide (CAS 42596-46-3)
Recommended Standards
- Rel-(3R,4R)-3,4-dihydroxydihydrofuran-2(3H)-one (CAS 17675-99-9)
- 1,3,4-oxadiazole-2-carboxylic acid (CAS 944907-12-4)
- D-Erythronolactone (CAS 15667-21-7)
- N-(4,5-Dihydrothiazol-2-yl)-1H-indazole-5-carboxamide (CAS 478829-03-7)
- 4-Aminobenzene-1-sulfonyl chloride hydrochloride (CAS 78798-60-4)
- 6α-Hydroxylycopodine (CAS 21061-92-7)
- 3-((tert-Butoxycarbonyl)amino)-3-(4-(trifluoromethyl)phenyl)propanoic acid (CAS 477849-00-6)
- 6,6-Difluoro-6,7-dihydro-5H-cyclopenta[b]pyridin-7-ol (CAS 2833708-31-7)
- (2-Nitro-4-(propylcarbamoyl)phenyl)boronic acid (CAS 874290-79-6)
- Exenatide Acetate (CAS 141732-76-5)
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 13829788188 / jacky.chen@cato-chem.com