(9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid
Impurity reference standard
- CAS number
- 68378-48-3
- InChIKey
- NPTIBOCVSPURCS-JLNKQSITSA-N
- Molecular formula
- C24H38O2
- Molecular weight
- 358.56
- Exact mass
- 358.2872 Da
- Purity
- 95%+
- Storage
- -80±5℃
About (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid
(9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid is supplied as an analytical reference standard. It is registered under CAS number 68378-48-3.
The compound is characterised by its molecular formula C24H38O2 and a molecular weight of 358.56, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 358.2872 Da, a calculated LogP of 7.55, a topological polar surface area of 37.30 Ų. It presents 1 hydrogen-bond donor and 1 acceptor. 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)
- 7.55
- Topological polar surface area
- 37.30 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 17
- Heavy atoms
- 26
- Rings
- 0
- Elemental composition
- C 80.39% · H 10.68% · O 8.92%
Frequently asked questions
What purity does (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid ship at?
(9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid 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 (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid uniquely identified?
The InChIKey NPTIBOCVSPURCS-JLNKQSITSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid?
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 (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should (9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoic acid 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.