2-(4-Ethynylphenyl)-2-oxoacetic acid CAS 1683547-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1683547-81-0 |
| Molecular Formula | C10H6O3 |
| Molecular Weight | 174.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Ethynylphenyl)-2-oxoacetic acid (CAS 1683547-81-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H6O3. Molecular weight: 174.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H6O3 |
| Molecular Weight | 174.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
Related Ethynylphenyl Standards
- 2-(3-Ethynylphenyl)-2-oxoacetic acid (CAS 2228246-84-0)
- 2-(4-Ethynylphenyl)-1,3-dioxolane (CAS 138853-09-5)
- Methyl 2-(4-ethynylphenyl)acetate (CAS 154498-13-2)
- (R)-2-(4-Ethynylphenyl)propanoic acid (CAS 2349641-21-8)
- (S)-2-(4-Ethynylphenyl)propanoic acid (CAS 2350536-74-0)
- 2-(2-Ethynylphenyl)-1,3-dioxolane (CAS 773095-64-0)
- 3-(3-Ethynylphenyl)propanoic acid (CAS 949115-85-9)
- 3-(4-Ethynylphenyl)propanoic acid (CAS 880081-84-5)
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- (3S)-3-amino-3-(2-fluorofuran-3-yl)propanoic acid (CAS 1366342-85-9)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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