(2E)-3-(1,3-benzoxazol-2-yl)acrylic acid CAS 31527-73-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31527-73-8 |
| Molecular Formula | C10H7NO3 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-3-(1,3-benzoxazol-2-yl)acrylic acid (CAS 31527-73-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7NO3. Molecular weight: 189.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H7NO3 |
| Molecular Weight | 189.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1966 |
| Nitrogen Atoms | 1 |
Related E Standards
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- 2-(2-Methyl-1,3-benzoxazol-5-yl)acetic acid (CAS 38196-01-9)
- 2-(1,3-benzoxazol-2-yl)acetic acid (CAS 78756-98-6)
- (2-Oxo-1,3-benzoxazol-3(2H)-yl)acetic acid (CAS 13610-49-6)
- 2-(1,3-benzoxazol-2-ylsulfanyl)ethan-1-ol (CAS 126828-31-7)
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Recommended Standards
- ((allyloxy)carbonyl)-L-serine (CAS 90508-22-8)
- (3-Hydroxy-4H-1,2,4-triazol-4-yl)(phenyl)methanone (CAS 553653-88-6)
- 3-Pyridin-4-yl-1H-pyrazole-5-carboxylic acid (CAS 197775-45-4)
- Benzenemethanamine,2-amino-N,N-bis[(2-aminophenyl)methyl]- (CAS 222638-73-5)
- 7-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 97% (CAS 952653-63-3)
- 1-(5-Aminopyridin-3-yl)-4-methylpiperidin-3-ol (CAS 1596733-01-5)
- 3-(2,2,2-Trifluoroethyl)azetidine Hydrochloride (CAS 1394041-81-6)
- (R)-3,3,3-Trifluoro-1-(4-chlorophenyl)-2-propylamine (CAS 1365930-01-3)
- (R)-4-bromo-6-methyl-2,3-dihydro-1H-inden-1-amine (CAS 1259774-63-4)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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