3-Chloro-2-oxobutanoic acid CAS 142521-41-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 142521-41-3 |
| Molecular Formula | C4H5ClO3 |
| Molecular Weight | 136.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Chloro-2-oxobutanoic acid (CAS 142521-41-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H5ClO3. Molecular weight: 136.53 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H5ClO3 |
| Molecular Weight | 136.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- Methyl 2-chloro-3-oxopropanoate (CAS 20656-61-5)
- Methyl 3-chloro-2-oxopropanoate (CAS 922-19-0)
- (E)-2-chloro-N-((hydroxyamino)methylene)acetamide (CAS 1785917-18-1)
- (2-Chloro-acetyl)-urea (CAS 4791-21-3)
- 1-Chloro-2,5-dihydro-1H-1-phosphol-1-one (CAS 822-47-9)
- 2-Chloro-1-(1-fluorocyclopropyl)ethanone (CAS 151697-21-1)
- 2-chloro-1-[(1R,2R)-2-fluorocyclopropyl]ethanone (CAS 2573212-69-6)
- 2-chloro-1-[(1S,2S)-2-fluorocyclopropyl]ethanone (CAS 2573212-70-9)
Recommended Standards
- oxetan-3-yl carbonochloridate (CAS 1202640-00-3)
- 4-(Chloromethyl)-1,3-dioxolan-2-one (CAS 2463-45-8)
- Chloroacetic Acetic AnhydrideDISCONTINUED (CAS 4015-58-1)
- 2-(3-(2-Hydroxyethyl)-2-nonyl-4,5-dihydro-1H-imidazol-3-ium-1-yl)acetate hydroxide, sodium salt (CAS 68334-21-4)
- Ethyl (2S)-2-{4-[({5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}sulfanyl)methyl]benzenesulfonamido}-4-methylpentanoate (CAS 1031212-65-3)
- 1-(Pyrimidin-4-yl)piperidine-3-carboxylic acid (CAS 1249922-89-1)
- Methyl 6-amino-4-methylhexanoate (CAS 1315367-54-4)
- (3-(3-Fluoro-4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)methanamine hydrochloride (CAS 1638612-43-7)
- Uracil Impurity 14 (CAS 21428-26-2)
- Calcitonin N-Terminal Flanking Peptide (human) (CAS 118277-01-3)
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