ethyl (9Z,11Z,13Z)-hexadeca-9,11,13,15-tetraenoate CAS CATO-C4X-289046
| CAS No. | CATO-C4X-289046 |
| Molecular Formula | C18H25O2 |
| Molecular Weight | 273.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of ethyl (9Z,11Z,13Z)-hexadeca-9,11,13,15-tetraenoate is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies ethyl (9Z,11Z,13Z)-hexadeca-9,11,13,15-tetraenoate (CAS CATO-C4X-289046), a certified reference material (molecular formula C18H25O2, MW 273.39 g/mol) for analytical method development and quality control.
Structurally, ethyl (9Z,11Z,13Z)-hexadeca-9,11,13,15-tetraenoate (C18H25O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 273.39 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 ethyl (9Z,11Z,13Z)-hexadeca-9,11,13,15-tetraenoate 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 | C18H25O2 |
| Molecular Weight | 273.39 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Recommended Standards
- Rotigotine EP Impurity C (CAS 153409-14-4)
- 5-{[2,2'-Bithiophen]-5-yl}thiophene-2-carbonitrile (CAS 110230-97-2)
- Tert-butyl 4-hydroxy-2-thia-8-azaspiro[4.5]Decane-8-carboxylate (CAS 2172654-92-9)
- (2-((6-Methoxypyridin-3-yl)dimethylsilyl)phenyl)methanol (CAS 1217863-20-1)
- 2-(3,4-Difluorophenyl)-2-hydroxyacetic acid (CAS 132741-29-8)
- N-(cyanomethyl)prop-2-ynamide (CAS 1849381-03-8)
- 3-Methoxy-4-(2-phenoxyethoxy)benzaldehyde (CAS 299936-09-7)
- 5-Bromo-3-methylthiophene-2-sulfonyl chloride (CAS 1421605-09-5)
- 3,5-Difluoro-2,4,6-tris(2,2,3,3-tetrafluoropropoxy)pyridine (CAS 1309602-69-4)
- tert-Butyl 7-bromo-1H-indole-1-carboxylate (CAS 868561-17-5)
- (1R,3R)-3-amino-1-methylcyclohexane-1-carboxylic acid (CAS 2165816-71-5)
- 1-(Cyclopropylmethyl)-3-methyl-4-(4-phenoxyphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 860789-20-4)
- Isosorbide Impurity 22 (CAS 110627-23-1)
- Hepcidin/LEAP-1 (Human); Liver-Expressed Antimicrobial Peptide (CAS 342790-21-0)
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