5 beta, 6 beta-Epoxy-Cholestanol
Impurity reference standard
- CAS number
- 4025-59-6
- InChIKey
- PRYIJAGAEJZDBO-DTLXENBRSA-N
- Molecular formula
- C27H46O2
- Molecular weight
- 402.65
- Exact mass
- 402.3498 Da
- Purity
- 95%+
- Appearance
- White Solid
- Storage
- -20℃±5℃
About 5 beta, 6 beta-Epoxy-Cholestanol
5 beta, 6 beta-Epoxy-Cholestanol is supplied as an analytical reference standard. It is registered under CAS number 4025-59-6.
The compound is characterised by its molecular formula C27H46O2 and a molecular weight of 402.65, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 402.3498 Da, a calculated LogP of 6.60, a topological polar surface area of 32.76 Ų. It presents 1 hydrogen-bond donor and 2 acceptors. The structure carries 10 defined stereocentres, which is relevant wherever a stereochemically defined standard is required. 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: -20℃±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)
- 6.60
- Topological polar surface area
- 32.76 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 5
- Heavy atoms
- 29
- Rings
- 5
- Defined stereocentres
- 10
- Elemental composition
- C 80.54% · H 11.52% · O 7.95%
Frequently asked questions
What purity does 5 beta, 6 beta-Epoxy-Cholestanol ship at?
5 beta, 6 beta-Epoxy-Cholestanol is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does 5 beta, 6 beta-Epoxy-Cholestanol 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 5 beta, 6 beta-Epoxy-Cholestanol uniquely identified?
The InChIKey PRYIJAGAEJZDBO-DTLXENBRSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for 5 beta, 6 beta-Epoxy-Cholestanol?
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 5 beta, 6 beta-Epoxy-Cholestanol?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should 5 beta, 6 beta-Epoxy-Cholestanol be stored?
Recommended storage: -20℃±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.