4-ANDROSTEN-17β, 18-DIOL-3-ONE CAS 7150-17-6
| CAS No. | 7150-17-6 |
| Molecular Formula | C19H28O3 |
| Molecular Weight | 304.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 304.42 g/mol gives 4-ANDROSTEN-17β, 18-DIOL-3-ONE distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-ANDROSTEN-17β, 18-DIOL-3-ONE (CAS 7150-17-6), molecular formula C19H28O3 and molecular weight 304.42 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H28O3, 4-ANDROSTEN-17β, 18-DIOL-3-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 304.42 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).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H28O3 |
| Molecular Weight | 304.42 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1959 |
Related ANDROSTEN Standards
- 5-ANDROSTEN-3β, 17β-DIOL-16-ONE (CAS 1159-66-6)
- 4-ANDROSTEN-3β, 17β-DIOL-11-ONE (CAS 14485-67-7)
- 4-ANDROSTEN-4, 17β-DIOL-3-ONE (CAS 2141-17-5)
- 4-ANDROSTEN-7α, 17β-DIOL-3-ONE (CAS 62-83-9)
- 5-ANDROSTEN-3β, 19-DIOL-17-ONE (CAS 2857-45-6)
- 5-ANDROSTEN-3β-OL-17-ONE OXIME (CAS 2830-48-0)
- 5-ANDROSTEN-3β-OL-11, 17-DIONE (CAS 17520-02-4)
- 4-ANDROSTEN-17β-OL-3, 16-DIONE (CAS 6132-10-1)
Recommended Standards
- Testosterone Impurity N2 (CAS 3066-12-4)
- 4,5-Epoxy-17-β-hydroxy-5-androstan-3-one (CAS 51154-10-0)
- 4-(5,5-Dimethyl-1,3-dioxan-2-yl)-4-isopropylbutyrophenone (CAS 898755-59-4)
- 4-Ethoxyphenyl trans-4-butylcyclohexanoate (CAS 67589-47-3)
- (S)-1-(1H-Pyrazol-3-yl)ethan-1-ol (hydrochloride) (CAS 1807941-76-9)
- Idoxifene (CAS 116057-75-1)
- Methyl 3-(3-(3,4-dimethoxybenzyl)thioureido)thiophene-2-carboxylate (CAS 1024126-56-4)
- Methyl 4-butoxy-3,5-dimethylbenzoate (CAS 1429903-70-7)
- N-(1H-Imidazol-2-ylmethyl)-4-chloroaniline (CAS 166096-16-8)
- Fudosteine Impurity 27 (CAS CATO-C4X-144727)
- 4-Amino-5-chloro-2,3-difluorobenzoic acid (CAS 2649788-84-9)
- N-(2,2-dimethoxyethyl)-2,3,5-triiodobenzamide (CAS CATO-C3D-262280)
- (2E)-3-(4-Bromophenyl)-1-[4-(4-methoxybenzoyl)-1-piperazinyl]-2-propen-1-one (CAS 1599432-08-2)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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