5-(tert-Butyl)oxazole-4-carbaldehyde CAS 911203-09-3
| CAS No. | 911203-09-3 |
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(tert-Butyl)oxazole-4-carbaldehyde (CAS 911203-09-3), molecular formula C8H11NO2 and molecular weight 153.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H11NO2, 5-(tert-Butyl)oxazole-4-carbaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 153.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(tert-Butyl)oxazole-4-carbaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 5-(tert-Butyl)oxazole-2-carbaldehyde (CAS 252662-41-2)
- 5,6,7,8-Tetrahydro-4H-cyclohepta[d]isoxazol-3-ol (CAS 935-91-1)
- 5-(tert-Butyl)isoxazole-3-carbaldehyde (CAS 88721-64-6)
- 5,6-Dimethyl-3-(methylamino)pyrazin-2-ol (CAS 53186-76-8)
- N-Allyl-2-(tert-butyl)aniline (CAS 193338-72-6)
- tert-Butyl 4-fluorothieno[2,3-c]pyridine-2-carboxylate (CAS 870235-45-3)
- 4-((1H-Benzo[d][1,2,3]triazol-1-yl)(phenyl)methyl)morpholine (CAS 120803-36-3)
- 2-(4-Methylpiperidino)benzonitrile (CAS 158115-67-4)
- 1-[5-(4-Methylpiperidin-1-yl)-1,3,4-thiadiazol-2-yl]-1H-pyrrole-2-carbaldehyde (CAS 1242855-69-1)
- 2-Chloro-5-methoxy-1H-indole (CAS 119730-01-7)
- 3-((4-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)-1,4-diazepan-1-yl)sulfonyl)aniline (CAS 1203494-49-8)
- 1-(5-(1H-Indol-3-yl)-3-phenyl-4,5-dihydroisoxazol-4-yl)ethanone (CAS 114014-83-4)
- Methyl chroman-3-carboxylate (CAS 68281-60-7)
- Acetyl Tripeptide-1 (CAS 350595-76-5)
Why CATO?
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