2-Hydroxybut-3-ynoic acid CAS 38628-65-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 38628-65-8 |
| Molecular Formula | C4H4O3 |
| Molecular Weight | 100.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxybut-3-ynoic acid (CAS 38628-65-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4O3. Molecular weight: 100.07 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4O3 |
| Molecular Weight | 100.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
Related Hydroxybut Standards
- 2-Hydroxybut-2-enoic acid (CAS 67784-09-2)
- 2-Hydroxybut-3-enoic acid (CAS 600-17-9)
- 4-Hydroxybut-2-enoic acid (CAS 4013-24-5)
- (E)-(4-Hydroxybut-1-en-1-yl)boronic acid (CAS 916673-48-8)
- Methyl 2-hydroxybut-3-enoate (CAS 5837-73-0)
- 2-Hydroxybut-3-enenitrile (CAS 5809-59-6)
- Ethyl 2-hydroxybut-3-ynoate (CAS 18418-08-1)
- Ethyl 4-hydroxybut-2-ynoate (CAS 31555-04-1)
Recommended Standards
- methanetricarbaldehyde (CAS 18655-47-5)
- 2-Oxo-3-butenoic Acid (CAS 56842-76-3)
- 2,5-Dihydro-5-hydroxy-2-furanone (CAS 14032-66-7)
- Diethyl 1-methyl-4,7-dioxo-1,4,5,6,7,8-hexahydropyrrolo[2,3-b]azepine-3,5-dicarboxylate (CAS 78994-92-0)
- 3,3,3-trifluoro-2-(1H-pyrazol-1-yl)propan-1-amine hydrochloride (CAS 2044796-63-4)
- (S)-1-(tert-Butoxycarbonyl)-4-(2-formylpyridin-3-yl)piperazine-2-carboxylic acid 1786876-41-2 (CAS 1786876-41-2)
- 1-(2,6-Dimethyl-3-nitrophenyl)ethanone (CAS 1415838-35-5)
- (S)-5-oxopyrrolidine-3-carbaldehyde (CAS 1101167-75-2)
- 2-(4-(Trifluoromethyl)phenyl)-1H-benzo[d]imidazole (CAS 400073-79-2)
- Anti-Inflammatory Peptide 3 (CAS 118850-73-0)
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