5-ANDROSTEN-3β, 16α-DIOL-17-ONE CAS 3642-89-5
| CAS No. | 3642-89-5 |
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-ANDROSTEN-3β, 16α-DIOL-17-ONE is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-ANDROSTEN-3β, 16α-DIOL-17-ONE (CAS 3642-89-5), a certified reference material (molecular formula C19H30O2, MW 290.44 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H30O2, 5-ANDROSTEN-3β, 16α-DIOL-17-ONE 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 290.44 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-ANDROSTEN-3β, 16α-DIOL-17-ONE 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.
Physical & Chemical Properties
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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.) | 1958 |
Related ANDROSTEN Standards
- 4-ANDROSTEN-3α, 17β-DIOL (CAS 1852-61-5)
- 5-ANDROSTEN-3β-OL-16-ONE (CAS 5088-64-2)
- 4-Androsten-3,17-dione-2,2,4,6,6,16,16-D7 (CAS 67034-85-9)
- 4-Androsten-17α-ol-3-one-2,2,4,6,6-d5 (CAS 165195-35-7)
- 5-ANDROSTEN-17-β-ACETAMIDO-3-β-OL (CAS 4350-66-7)
- 2, (5α)-ANDROSTEN-11, 17-DIONE (CAS 565-88-8)
- 4-ANDROSTEN-3, 16-DIONE (CAS 571-52-8)
- 5-Androsten-3,17-dione (CAS 571-36-8)
Recommended Standards
- 5a-ANDROSTAN-16a-OL-17-ONE (CAS 25846-17-7)
- 5α-ANDROSTAN-3β-OL-16-ONE (CAS 571-51-7)
- 4-N-Dodecyloxybenzaldehyde (CAS 24083-19-0)
- 5β-androstan-3β-ol-17-one (CAS 571-31-3)
- 4,5-Dimethylpyridine-3-boronic acid (CAS 1001907-71-6)
- 5-((4-Chloro-2-methylphenoxy)methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 588673-88-5)
- N,n-dipropylcarbamoyl chloride (CAS 27086-19-7)
- 5-Methyl-1-(4-nitrophenyl)-1H-pyrazole-4-carboxamide (CAS 292160-46-4)
- (2E)-N-(4-Bromo-2-fluorophenyl)-3-[4-(2-methylpropyl)phenyl]prop-2-enamide (CAS 329778-56-5)
- 21367-89-5 Ethyl 3-chloropropanimidate--hydrogen chloride (1/1) DTXSID40500337 (CAS 21367-89-5)
- Ethyl 6-bromo-1-benzothiophene-2-carboxylate (CAS 105191-64-8)
- 2-Propylbenzimidazole (CAS 5465-29-2)
- 3-(1H-pyrrol-1-yl)benzofuran-2-carbohydrazide (CAS 866040-16-6)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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