1, 3, 5(10)-ESTRATRIEN-3-16α-DIOL-17-ONE DIACETATE CAS 1247-70-7
| CAS No. | 1247-70-7 |
| Molecular Formula | C22H26O5 |
| Molecular Weight | 370.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1, 3, 5(10)-ESTRATRIEN-3-16α-DIOL-17-ONE DIACETATE (CAS 1247-70-7), molecular formula C22H26O5 and molecular weight 370.44 g/mol, is a CATO reference standard with documented purity and traceability.
1, 3, 5(10)-ESTRATRIEN-3-16α-DIOL-17-ONE DIACETATE (C22H26O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 1, 3, 5(10)-ESTRATRIEN-3-16α-DIOL-17-ONE DIACETATE 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 | C22H26O5 |
| Molecular Weight | 370.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related ESTRATRIEN Standards
- 1,3,5(10)-Estratrien-3-ol-17-one hemisuccinate 4-((8R,9S,13S,14S)-13-methyl-17-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yloxy)-4-oxobutanoic acid 58534-72-8 (CAS 58534-72-8)
- 1, 3, 5(10)-ESTRATRIEN-3, 17β-DIOL 17-HEMISUCCINATE (CAS 7698-93-3)
- 1, 3, 5(10)-ESTRATRIEN-3, 11α, 17β-TRIOL 11-HEMISUCCINATE (CAS 52057-95-1)
- 1,3,5(10)-Estratrien-2,3,4,17beta-tetrol-2,4-dimethyl Ether (CAS 65968-99-2)
- 1, 3, 5(10)-ESTRATRIEN-3, 17β-DIOL 17-PROPIONATE (CAS 3758-34-7)
- 1, 3, 5(10)-ESTRATRIEN-2, 3, 17β-TRIOL 3-METHYL ETHER (CAS 1236-72-2)
- 1, 3, 5(10)-ESTRATRIEN-2-FLUORO-3, 17β-DIOL (CAS 16205-32-6)
- 1, 3, 5(10)-ESTRATRIEN-3, 15α, 17β-TRIOL (CAS 570-30-9)
Recommended Standards
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- N-cyclopropyl-N-(piperidin-4-yl)benzenesulfonamide (CAS 387350-82-5)
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- Ethyl 6-fluoro-4-oxo-1,4-dihydroquinoline-2-carboxylate (CAS 16377-62-1)
- 2-Methyl-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine (CAS 885273-36-9)
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- Acotiamide Impurity 31 (CAS CATO-C4X-111431)
- 3-(3,4-Methylenedioxyphenyl)-5-nitrobenzoic acid (CAS 1261894-05-6)
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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