(all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester
Impurity reference standard
- CAS number
- 131775-86-5
- InChIKey
- RKAKAVQIMCZXPE-AAQCHOMXSA-N
- Molecular formula
- C23H36O2
- Molecular weight
- 344.53
- Exact mass
- 344.2715 Da
- Purity
- 95%+
- Appearance
- Colourless to Yellow Oil
- Storage
- -80±5℃
About (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester
(all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester is supplied as an analytical reference standard. It is registered under CAS number 131775-86-5.
The compound is characterised by its molecular formula C23H36O2 and a molecular weight of 344.53, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 344.2715 Da, a calculated LogP of 6.86, a topological polar surface area of 26.30 Ų. It presents 0 hydrogen-bond donors and 2 acceptors. These values are commonly used to anticipate chromatographic retention and to plan ionisation conditions during method development.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: -80±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Calculated properties
Derived from the two-dimensional structure above using RDKit. Computed values describe the parent structure and are provided as a reference for method development — they are not measured data.
- LogP (Crippen)
- 6.86
- Topological polar surface area
- 26.30 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 15
- Heavy atoms
- 25
- Rings
- 0
- Elemental composition
- C 80.18% · H 10.53% · O 9.29%
Frequently asked questions
What purity does (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester ship at?
(all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester come with a certificate of analysis?
Yes. Every pack ships with a certificate of analysis plus the supporting analytical data — HNMR, MS and HPLC or GC traces.
How is (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester uniquely identified?
The InChIKey RKAKAVQIMCZXPE-AAQCHOMXSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester?
Yes. The two-dimensional structure is drawn on this page from the SMILES record, and the SMILES or a molfile can be supplied on request.
What pack sizes are available for (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should (all-Z)-6,9,12,15,18-Heneicosapentaenoic acid ethyl ester be stored?
Recommended storage: -80±5℃.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.