(25R)-26-?Hydroxycholesterol CAS 20380-11-4
| CAS No. | 20380-11-4 |
| Molecular Formula | C27H46O2 |
| Molecular Weight | 402.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C27H46O2, (25R)-26-?Hydroxycholesterol contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 402.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (25R)-26-?Hydroxycholesterol (CAS 20380-11-4), a certified reference material (molecular formula C27H46O2, MW 402.65 g/mol) for analytical method development and quality control.
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), (25R)-26-?Hydroxycholesterol 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 | C27H46O2 |
| Molecular Weight | 402.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature |
| 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.) | 1962 |
Related R Standards
- 26- Hydroxycholesterol (CAS 13095-61-9)
- 4β-Hydroxycholesterol (CAS 17320-10-4)
- (24R)-Hydroxycholesterol (CAS 27460-26-0)
- 24(S)-Hydroxycholesterol (CAS 474-73-7)
- 4α-Hydroxycholesterol (CAS 34310-86-6)
- 20α-Hydroxycholesterol (CAS 516-72-3)
- 24-Hydroxycholesterol (CAS 30271-38-6)
- 27-hydroxycholesterol (D6) (CAS 1246302-95-3)
Recommended Standards
- Cholesterol Impurity 37 (CAS 7591-17-5)
- 7β-Hydroxy Cholesterol (CAS 566-27-8)
- 7α-Hydroxy Cholesterol (CAS 566-26-7)
- 25-Hydroxy Cholesterol (CAS 2140-46-7)
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- 1-Iodo-2-isopropyl-4-nitrobenzene (CAS 31539-92-1)
- 2-Mercapto-3-(2-methoxy-1-methyl-ethyl)-3H-quinazolin-4-one (CAS 522606-40-2)
- Methyl 3-(3-bromo-1H-1,2,4-triazol-1-yl)propanoate (CAS 1855891-01-8)
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- Cefdinir Impurity 5 (CAS 178949-04-7)
- Xenopsin-Related Peptide 2 (XP-2) (H-9340.0005) (CAS 117442-29-2)
Why CATO?
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