4-Oxo-4-(2-propynyloxy)butanoic acid CAS 189459-95-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189459-95-8 |
| Molecular Formula | C7H8O4 |
| Molecular Weight | 156.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Oxo-4-(2-propynyloxy)butanoic acid (CAS 189459-95-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H8O4. Molecular weight: 156.14 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H8O4 |
| Molecular Weight | 156.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
Related Oxo Standards
- 4-(2-Propynyloxy)benzaldehyde (CAS 5651-86-5)
- 4-(2-Propynyloxy)aniline (CAS 26557-78-8)
- 5-Methyl-2-(2-propynyloxy)benzaldehyde (CAS 1087606-32-3)
- 4-Methyl-2-(2-propynyloxy)benzaldehyde (CAS 923683-62-9)
- 1-(2-Propynyloxy)naphthalene (CAS 18542-45-5)
- 1,4-Bis(2-propynyloxy)benzene (CAS 34596-36-6)
- 3-[2-(2-Propynyloxy)phenyl]acrylic acid (CAS 400751-66-8)
- 2-(2-Propynyloxy)-1-naphthaldehyde (CAS 58758-48-8)
Recommended Standards
- (S)-2-Amino-3-(isoxazol-3-yl)propanoic acid (CAS 189215-63-2)
- 1,5-Dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxylic acid (CAS 1895681-18-1)
- (S)-2-Amino-3-(isoxazol-5-yl)propanoic acid (CAS 189215-61-0)
- 7-Chloro-5-[(3,4-dichlorophenyl)methyl]-2,3,4,5-tetrahydro-1,5-benzothiazepin-4-one (CAS 341968-14-7)
- 3-(6,7-Dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-propionic acid hydrochloride (CAS 881686-34-6)
- Methyl n-[4-(hydroxymethyl)phenyl]carbamate (CAS 1341397-27-0)
- (+/-)-1,2-Propylene-d6 Oxide (Stabilized with hydroquinone) (CAS 202468-69-7)
- 9-([1,1'-Biphenyl]-4-yl)-9H-fluoren-9-ol (CAS 22653-07-2)
- 5-Chloro-2-(4-fluorophenyl)benzofuran (CAS 1448818-03-8)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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