Cortisol Impurity 4 CAS 7050-24-0
| CAS No. | 7050-24-0 |
| Molecular Formula | C21H32O5 |
| Molecular Weight | 364.48 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.
CATO supplies Cortisol Impurity 4 (CAS 7050-24-0), a certified reference material (molecular formula C21H32O5, MW 364.48 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H32O5, Cortisol Impurity 4 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 364.48 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 | C21H32O5 |
| Molecular Weight | 364.48 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 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.) | 1959 |
Related Cortisol Standards
- Cortisol-1,2-d2 (CAS 1257650-73-9)
- Cortisol-1,2-d2 (CAS 79037-25-5)
- Cortisol-9,12,12-d3 (CAS 115699-92-8)
- Cortisol 21-mesylate (CAS 6677-96-9)
- Cortisol 21-Sulfate (CAS 1253-43-6)
- Cortisol 21-Benzoate (CAS 74669-84-4)
- Cortisol 21-beta-D-Glucuronide (CAS 7301-54-4)
- Cortisol 21-m-Maleimidobenzoate (CAS 73499-12-4)
Recommended Standards
- allo-Tetrahydro cortisone (CAS 547-77-3)
- N-(1-Butyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)thiophene-2-sulfonamide (CAS 946221-75-6)
- Acebutolol EP Impurity K (CAS 74143-33-2)
- N-(1-Isobutyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)thiophene-2-sulfonamide (CAS 941955-34-6)
- tert-Butyl 2-oxoimidazolidine-1-carboxylate (CAS 82933-19-5)
- Benzyl ((3S,4S)-4-aminotetrahydro-2H-pyran-3-yl)carbamate (CAS 2387560-63-4)
- 4,4,5,5-Tetramethyl-2-(4-nitro-3-(trifluoromethyl)phenyl)-1,3,2-dioxaborolane (CAS 1402615-44-4)
- Benzyl 2-methylazepane-1-carboxylate (CAS 1857523-19-3)
- Cholesterol Impurity 13 (CAS 34310-88-8)
- 2,3,4-Trichlorobutene (CAS 2431-50-7)
- (S)-2-((1-Benzylpyrrolidin-3-yl)amino)-N-hydroxyacetamide (CAS 919996-36-4)
- 2-Methyl-2H-indazole-7-sulfonyl chloride (CAS 1363380-68-0)
- 5-Amino-4-(1H-benzo[d]imidazol-2-yl)-1-pentyl-1,2-dihydro-3H-pyrrol-3-one (CAS 150016-23-2)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
Why CATO?
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