1262AH 16S-Hydroxy-5Z,8Z,11Z,14Z-eicosatetraenoic acid 183509-23-1 C20H32O3 CAS 183509-23-1
| CAS No. | 183509-23-1 |
| Molecular Formula | C20H32O3 |
| Molecular Weight | 320.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1262AH 16S-Hydroxy-5Z,8Z,11Z,14Z-eicosatetraenoic acid 183509-23-1 C20H32O3 (C20H32O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 320.47 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1262AH 16S-Hydroxy-5Z,8Z,11Z,14Z-eicosatetraenoic acid 183509-23-1 C20H32O3 (CAS 183509-23-1), molecular formula C20H32O3 and molecular weight 320.47 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H32O3 |
| Molecular Weight | 320.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
Recommended Standards
- (R,5Z,8Z,11Z,14Z)-16-Hydroxyicosa-5,8,11,14-tetraenoic acid (CAS 183509-22-0)
- (R,5Z,8Z,11Z,14Z)-17-Hydroxyicosa-5,8,11,14-tetraenoic acid (CAS 183509-24-2)
- Propargyl-PEG1-SS-PEG1-C2-Boc (CAS 1807518-78-0)
- 1265AH 17(S)-HETE 183509-25-3 C20H32O3 (CAS 183509-25-3)
- 1,1-Dibromo-2-(4-isopropylphenyl)ethene (CAS 142521-08-2)
- Methyl 2-(3,4-dimethoxyphenyl)propanoate (CAS 29207-02-1)
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