5α-Androstan-3α,17ß-diol-O-3-ß-glucuronic acid CAS 65535-18-4
| CAS No. | 65535-18-4 |
| Molecular Formula | C25H40O8 |
| Molecular Weight | 468.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5α-Androstan-3α,17ß-diol-O-3-ß-glucuronic acid (CAS 65535-18-4) is a high-purity analytical reference standard with the molecular formula C25H40O8 and a molecular weight of 468.58 g/mol.
Based on its molecular formula C25H40O8, 5α-Androstan-3α,17ß-diol-O-3-ß-glucuronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 468.58 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).
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 | C25H40O8 |
| Molecular Weight | 468.58 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1975 |
Related Androstan Standards
- 5α-Androstan-3α-ol-17-one-16,16-d2 Glucosiduronate (CAS 362049-52-3)
- 5β-ANDROSTAN-3α-OL-11, 17-DIONE GLUCOSIDURONATE (CAS 17181-16-7)
- 5α-ANDROSTAN-3α-OL-11, 17-DIONE GLUCOSIDURONATE (CAS 29085-98-1)
- 5β-ANDROSTAN-17α-OL-3-ONE (CAS 5692-03-5)
- 5α-ANDROSTAN-3α, 17β-DIOL 3-ACETATE (CAS 1600-76-6)
- 5α-ANDROSTAN-17αMETHYL-17βOL-[3, 2-c]PYRAZOLE (CAS 88247-87-4)
- 5α-ANDROSTAN-3β-OL-17β-CARBOXYLIC ACID (CAS 15173-54-3)
- 17α-Methyl-androstan-3-hydroxyimine-17β-ol (CAS 2722-75-0)
Recommended Standards
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- 2-(5-Cyclobutylpyridin-2-yl)acetic acid hydrochloride (CAS 2197055-45-9)
- Varenicline Impurity 70 (CAS 1337563-47-9 (free base))
- 5-Bromo-2-(6-chloropyridazin-3-yl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1774898-90-6)
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- Omeprazole Impurity 49 (CAS CATO-C4X-125549)
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