1α,25-Dihydroxy-7-dehydrocholesterol CAS 61954-91-4
| CAS No. | 61954-91-4 |
| Molecular Formula | C27H44O3 |
| Molecular Weight | 416.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1α,25-Dihydroxy-7-dehydrocholesterol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 1α,25-Dihydroxy-7-dehydrocholesterol (CAS 61954-91-4), a certified reference material (molecular formula C27H44O3, MW 416.64 g/mol) for analytical method development and quality control.
Based on its molecular formula C27H44O3, 1α,25-Dihydroxy-7-dehydrocholesterol 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 416.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C27H44O3 |
| Molecular Weight | 416.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
Related Dihydroxy Standards
- 7α,27-Dihydroxy-4-cholesten-3-one (CAS 192187-67-0)
- (23R)-23, 25-Dihydroxy Vitamin D3 (CAS 81738-09-2)
- (23S)-23, 25-Dihydroxy Vitamin D3 (CAS 77733-16-5)
- 3,27-Dihydroxy-5-cholesten-7-one (CAS 240129-30-0)
- 25, 26-Dihydroxy Vitamin D3 (CAS 29261-12-9)
- 5,7-Dihydroxy-2-(4-hydroxy-3-(4-hydroxy-3-methylbutyl)phenyl)-3,6-dimethoxy-4H-chromen-4-one (CAS 84294-77-9)
- 6,10-Dihydroxy-8-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)-8-azaspiro[4.5]decane-7,9-dione (CAS 658701-59-8)
- (3β,22S)-Dihydroxy Cholesterol (CAS 26649-05-8)
Recommended Standards
- 19-Carboxy Cholesterol (CAS 26319-96-0)
- (3β)-3,25-Dihydroxycholest-5-en-7-one (CAS 64907-23-9)
- 3β-Hydroxy-5-cholestenoic Acid (CAS 6561-58-6)
- (2E,4E,6E,8E,10E,12E,14E,16E,18E)-2,6,10,15,19,23-Hexamethyltetracosa-2,4,6,8,10,12,14,16,18,22-decaenal (CAS 59057-70-4)
- 2-((2-((tert-Butoxycarbonyl)amino)propan-2-yl)amino)-5-phenylpentanoic acid (CAS 871100-95-7)
- 3-[2-(3-Nitrophenoxy)ethyl]piperidinehydrochloride (CAS 1220032-25-6)
- methyl 8-bromo-3-nitro-naphthalene-1-carboxylate (CAS 1082722-33-5)
- 3-Difluoromethoxy-5-methoxybenzaldehyde (CAS 1804886-83-6)
- 4-(Difluoromethyl)-3-hydroxy-5-nitropyridine-2-sulfonyl chloride (CAS 1806944-15-9)
- 4-(2,4-Dichlorophenyl)-n-(3-methoxyphenyl)-1,3-thiazol-2-amine (CAS 565178-11-2)
- 5-amino-6-methylpyridine-2-carbonitrile (CAS 1079054-78-6)
- 1779125-01-7 2-Bromo-4-(4-(dimethylamino)-piperidin-1-yl)benzonitrile (CAS 1779125-01-7)
- Prilocaine Impurity 57 (CAS CATO-C4X-193457)
- Neuropeptide S (human) (CAS 412938-67-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com