5-(1-((tert-Butoxycarbonyl)amino)ethyl)isoxazole-3-carboxylic acid CAS 1097257-19-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1097257-19-6 |
| Molecular Formula | C11H16N2O5 |
| Molecular Weight | 256.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(1-((tert-Butoxycarbonyl)amino)ethyl)isoxazole-3-carboxylic acid (CAS 1097257-19-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H16N2O5. Molecular weight: 256.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H16N2O5 |
| Molecular Weight | 256.26 g/mol |
| Appearance | Off-white to pale 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Related tert Standards
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- 2-(tert-Butoxycarbonyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-7-carboxylic acid (CAS 1273576-64-9)
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Recommended Standards
- (S)-5-(1-((tert-Butoxycarbonyl)amino)ethyl)isoxazole-3-carboxylic acid (CAS 1095825-67-4)
- 1-(2-Methoxyphenyl)-4-methyl-1,6-dihydro-7h-pyrazolo[3,4-d]pyridazin-7-on+ (CAS 1105197-91-8)
- (2R,3R)-3-azido-1-tert-butoxycarbonyl-pyrrolidine-2-carboxylic acid (CAS 1095199-36-2)
- Cyanomethyl2,3,4,6-tetra-O-acetyl-β-D-thiogalactopyranoside (CAS 61145-33-3)
- 5-(2,4-Dichlorophenyl)-1H-pyrazol-3-amine hydrochloride (CAS 1025447-48-6)
- Nicardipine Impurity 49 (CAS CATO-C4X-171049)
- 2-((5-(2,4-Dichlorophenyl)-4-(o-tolyl)-4h-1,2,4-triazol-3-yl)thio)acetic acid (CAS 743452-34-8)
- 2-Chloro-9-[2-deoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-B-D-arabinofuranosyl]-9H-purin-6-amine (CAS 134646-41-6)
- tert-Butyl (5-bromo-2-hydroxyphenyl)carbamate (CAS 719310-30-2)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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