(17α)-7-Cyano-17-hydroxy-3-oxo-pregna-4,9(11)-diene-21-carboxylic acid γ-Lactone CAS 1197900-95-0
| CAS No. | 1197900-95-0 |
| Molecular Formula | C23H27NO3 |
| Molecular Weight | 365.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 365.47 g/mol gives (17α)-7-Cyano-17-hydroxy-3-oxo-pregna-4,9(11)-diene-21-carboxylic acid γ-Lactone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(17α)-7-Cyano-17-hydroxy-3-oxo-pregna-4,9(11)-diene-21-carboxylic acid γ-Lactone (CAS 1197900-95-0), molecular formula C23H27NO3 and molecular weight 365.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H27NO3, (17α)-7-Cyano-17-hydroxy-3-oxo-pregna-4,9(11)-diene-21-carboxylic acid γ-Lactone contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 365.47 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 (17α)-7-Cyano-17-hydroxy-3-oxo-pregna-4,9(11)-diene-21-carboxylic acid γ-Lactone 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 | C23H27NO3 |
| Molecular Weight | 365.47 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 6-(Trifluoromethyl)benzo[b]thiophene-2-carbonyl chloride (CAS 142329-19-9)
- Fmoc-(FmocHmb)Val-OH (CAS 148515-86-0)
- 1-(2-(4-Chlorophenoxy)ethyl)pyrrolidine (CAS 24087-45-4)
- 2-Ethylhexyl Methyl Terephthalate (CAS 63468-13-3)
- 6-(tert-Butyl)-8-fluorophthalazin-1(2H)-one (CAS 1242156-59-7)
- Potassium trifluoro[6-(trifluoromethyl)pyridin-3-yl]borate (CAS 1245906-75-5)
- 8-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-7-amine (CAS 89284-31-1)
- (4-Bromo-5-(difluoromethyl)-6-(trifluoromethyl)pyridin-3-yl)methanol (CAS 1805394-83-5)
- Abemaciclib Impurity 7 (CAS 414881-11-1)
- Vancomycin Hexapeptide (CAS 115236-65-2)
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