2-Hydroxy-2-methylbut-3-ynoic acid CAS 87295-89-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 87295-89-4 |
| Molecular Formula | C5H6O3 |
| Molecular Weight | 114.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Hydroxy-2-methylbut-3-ynoic acid (CAS 87295-89-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6O3. Molecular weight: 114.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H6O3 |
| Molecular Weight | 114.10 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.) | 1981 |
Related Hydroxy Standards
- 4-Hydroxy-3,4-dihydro-2H-pyran-2-one (CAS 112592-82-2)
- 6-Hydroxy-2,3-dihydropyrimidin-4(1H)-one (CAS 112977-56-7)
- (S)-5-Hydroxy-3-methylfuran-2(5H)-one (CAS 1932127-71-3)
- 3-Hydroxy-4-methylfuran-2(5H)-one (CAS 22438-62-6)
- 3-Hydroxy-5-methyl-2(5H)-furanone (CAS 21053-73-6)
- 4-Hydroxy-2,3-dihydropyran-6-one (CAS 55100-07-7)
- 4-hydroxy-3-methyl-2,5-dihydrofuran-2-one (CAS 516-09-6)
- 4-Hydroxy-3-Methylbut-2-enolide (CAS 70143-04-3)
Recommended Standards
- 2-Formylcyclopropane-1-carboxylic acid (CAS 405897-29-2)
- 2-Oxocyclobutanecarboxylic acid (CAS 52903-57-8)
- 2-(Prop-2-yn-1-yloxy)acetic acid (CAS 98021-61-5)
- 3-(2,5-Dimethyl-1H-pyrrol-1-yl)-2-methylaniline (CAS 842958-59-2)
- 3-Thia-7-azabicyclo[3.3.1]nonane (CAS 329-95-3)
- (Des-Glu22)-Amyloid β-Protein (1-40) trifluoroacetate salt (CAS 1678416-36-8)
- 5-Chloro-4-fluoro-1h-indole-2-carboxylicacid (CAS 186446-26-4)
- 3-[(cyclopropylamino)sulfonyl]-4-methoxybenzoic acid (CAS 716358-76-8)
- 3-Amino-2-hydroxypropanamide Hydrochloride (CAS 1795284-20-6)
- (β-Asp5)-Delta-Sleep Inducing Peptide (CAS 82602-88-8)
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