11R-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic Acid CAS 73347-43-0
| CAS No. | 73347-43-0 |
| Molecular Formula | C20H32O3 |
| Molecular Weight | 320.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 11R-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic Acid 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 11R-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic Acid (CAS 73347-43-0), a certified reference material (molecular formula C20H32O3, MW 320.47 g/mol) for analytical method development and quality control.
Structurally, 11R-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic Acid (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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 11R-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H32O3 |
| Molecular Weight | 320.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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.) | 1977 |
Related R Standards
- 12(S)-Hydroxy (5Z,8Z,10E,14Z)-Eicosatetraenoic Acid (CAS 54397-83-0)
- 8-hydroxy-5Z,9E,11Z,14Z-eicosatetraenoic Acid (CAS 79495-84-4)
- 4-[(2-Hydroxy-ethyl)-isopropyl-amino]-piperidine-1-carboxylic acid benzyl ester (CAS 1353979-45-9)
- 4-[Ethyl-(2-hydroxy-ethyl)-amino]-piperidine-1-carboxylic acid benzyl ester (CAS 1353992-73-0)
- [(S)-1-(2-Hydroxy-ethyl)-pyrrolidin-3-yl]-isopropyl-carbamic acid benzyl ester (CAS 1354014-80-4)
- [(S)-1-(2-Hydroxy-ethyl)-piperidin-3-yl]-isopropyl-carbamic acid benzyl ester (CAS 1354019-06-9)
- 5-Hydroxy-4-(3-(pyrrolidin-1-ylmethyl)phenyl)isoquinolin-1(2H)-one (CAS 651029-63-9)
- 5-Hydroxy-4-(4-(pyrrolidin-1-ylmethyl)phenyl)isoquinolin-1(2H)-one (CAS 651029-44-6)
Recommended Standards
- Ginkgolic Acid (C13:0) (CAS 20261-38-5)
- 5-Hydroxyeicosatetraenoate (CAS 70608-72-9)
- 4-Iodo-2-(trifluoromethyl)benzyl chloride (CAS 1260741-46-5)
- Lefamulinum Impurity 10 (CAS CATO-C4X-304710)
- 2-Pentyn-1-ol (CAS 6261-22-9)
- 4-(3-methoxyphenoxy)-1,2,5-oxadiaZol-3-amine (CAS 924871-23-8)
- 2-(Difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetic acid (CAS 1806160-65-5)
- CAS 75644-54-1 (CAS 75644-54-1)
- (S)-3-((Benzyloxy)carbonyl)thiazolidine-4-carboxylic acid (CAS 65663-70-9)
- 1-methyl-2,3-dihydro-1H-indol-5-ol hydrobromide (CAS 134328-27-1)
- 4-(4-Chlorophenyl)-2-methyl-1-butene (CAS 106897-78-3)
- 2-[2-(2-Methylpiperidin-1-yl)acetamido]benzamide (CAS 866010-62-0)
- tert-Butyl (R)-((3-hydroxyphenyl)(phenyl)methyl)carbamate (CAS 1416070-91-1)
- Liraglutide(3-31)TFA Salt (CAS CATO-C4X-19921)
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