(2E,4Z)-2,4-Nonadienal
Impurity reference standard
- CAS number
- 21661-99-4
- InChIKey
- ZHHYXNZJDGDGPJ-IGTJQSIKSA-N
- Molecular formula
- C9H14O
- Molecular weight
- 138.21
- Exact mass
- 138.1045 Da
- Purity
- 95%+
- Storage
- 2℃ ~ 8℃
About (2E,4Z)-2,4-Nonadienal
(2E,4Z)-2,4-Nonadienal is supplied as an analytical reference standard. It is registered under CAS number 21661-99-4.
The compound is characterised by its molecular formula C9H14O and a molecular weight of 138.21, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 138.1045 Da, a calculated LogP of 2.49, a topological polar surface area of 17.07 Ų. It presents 0 hydrogen-bond donors 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: 2℃ ~ 8℃.
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)
- 2.49
- Topological polar surface area
- 17.07 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 5
- Heavy atoms
- 10
- Rings
- 0
- Elemental composition
- C 78.21% · H 10.21% · O 11.58%
Frequently asked questions
What purity does (2E,4Z)-2,4-Nonadienal ship at?
(2E,4Z)-2,4-Nonadienal is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does (2E,4Z)-2,4-Nonadienal 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 (2E,4Z)-2,4-Nonadienal uniquely identified?
The InChIKey ZHHYXNZJDGDGPJ-IGTJQSIKSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for (2E,4Z)-2,4-Nonadienal?
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 (2E,4Z)-2,4-Nonadienal?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should (2E,4Z)-2,4-Nonadienal be stored?
Recommended storage: 2℃ ~ 8℃.
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.