5-(5-Ethoxy-4-methyloxazol-2-yl)pentanal CAS 133602-43-4
| CAS No. | 133602-43-4 |
| Molecular Formula | C11H17NO3 |
| Molecular Weight | 211.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(5-Ethoxy-4-methyloxazol-2-yl)pentanal is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(5-Ethoxy-4-methyloxazol-2-yl)pentanal (CAS 133602-43-4), molecular formula C11H17NO3 and molecular weight 211.26 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-(5-Ethoxy-4-methyloxazol-2-yl)pentanal (C11H17NO3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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-(5-Ethoxy-4-methyloxazol-2-yl)pentanal 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 | C11H17NO3 |
| Molecular Weight | 211.26 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related Ethoxy Standards
- 2-Ethoxy-6-(((2-hydroxyethyl)amino)methyl)phenol (CAS 1038368-97-6)
- (4-ethoxy-3,5-dimethoxyphenyl)methanamine (CAS 1154659-40-1)
- 3-Acetyl-5-ethoxy-1,4,5-trimethyl-1H-pyrrol-2(5H)-one (CAS 132561-08-1)
- 2-Ethoxy-2-(naphthalen-2-yl)acetonitrile (CAS 33224-80-5)
- 2-Ethoxy-6-isobutoxypyrimidin-4-amine (CAS 91141-32-1)
- 6-Ethoxy-N2,N2-diethyl-1,3,5-triazine-2,4-diamine (CAS 90674-48-9)
- 2-Ethoxy-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 75607-64-6)
- 3-Ethoxy-N-(3-fluorobenzyl)propan-1-amine (CAS 1021033-90-8)
Recommended Standards
- (R)-2-(2,6-dimethoxyphenyl)-2-(methylamino)ethan-1-ol (CAS 1335950-03-2)
- (R)-2-(3,4-dimethoxyphenyl)-2-(methylamino)ethan-1-ol (CAS 1336325-28-0)
- (+/-)-tert-Butyl-2-methyl-4-oxo-2-vinylazetidine-1-carboxylate (CAS 1335042-72-2)
- (R)-2-(2,3-dimethoxyphenyl)-2-(methylamino)ethan-1-ol (CAS 1336325-89-3)
- 2-Bromo-7-methylpyrazolo[1,5-a]pyrimidine (CAS 1126-24-5)
- N-Boc-2-bromo-N-methylbenzamide (CAS 2006276-85-1)
- Chlorodihydridotris(triphenylphosphine)iridium (CAS 17035-59-5)
- N-(5,6,7,8-Tetrahydroimidazo[1,2-a]pyrazin-3-yl)acetamide (CAS 1934406-44-6)
- DAPT (CAS 208255-80-5)
- 6-Amino-1,2-benzisoxazole-3-carboxylic acid (CAS 28691-46-5)
- 2-Methyl-1-[(4-methylphenyl)methyl]-1h-indole-3-carbaldehyde (CAS 592550-44-2)
- 6-Methyl-4-phenyl-1,2,3,5-tetrahydro-s-indacene (CAS 852160-02-2)
- 4-(4-Morpholin-4-yl-phenylcarbamoyl)-butyric acid (CAS 510764-91-7)
- D-[Asp]9-Semaglutide (CAS CATO-CPTD788631)
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 18665070610 / Nicole.chen@cato-chem.com