18-Hydroxy Corticosterone CAS 561-65-9
| CAS No. | 561-65-9 |
| Molecular Formula | C21H30O5 |
| Molecular Weight | 362.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 18-Hydroxy Corticosterone.
CATO supplies 18-Hydroxy Corticosterone (CAS 561-65-9), a certified reference material (molecular formula C21H30O5, MW 362.46 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H30O5, 18-Hydroxy Corticosterone contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 362.46 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 18-Hydroxy Corticosterone 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 | C21H30O5 |
| Molecular Weight | 362.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxy Standards
- 6-beta-Hydroxy-11-deoxycortisol (CAS 548-97-0)
- Ethyl 2-Hydroxy-2-(4-phenoxyphenyl)-3-phenylpropanoate (CAS 1134334-95-4)
- 2-Hydroxy-5-methoxy-3-((E)-pentadec-10-enyl)[1,4]benzoquinone (CAS 856427-86-6)
- (E)-3-hydroxy-2-(((4-(4-methoxyphenyl)thiazol-2-yl)imino)methyl)-1H-inden-1-one (CAS 1024383-70-7)
- 4-Ethyl-4-hydroxy-12-methyl-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione (CAS 86688-39-3)
- 3-Hydroxy-2-(((2-nitro-4-(trifluoromethyl)phenyl)imino)methyl)-1H-inden-1-one (CAS 1023496-58-3)
- (E)-3-(hydroxy(phenyl)methylene)-6-iodoindolin-2-one (CAS 1535204-23-9)
- 4-Hydroxy-7-(pyridin-3-yl)-9-(trifluoromethyl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one (CAS 879457-63-3)
Recommended Standards
- Adhumulone (CAS 31769-65-0)
- Orforglipron Impurity 1 (CAS 2212021-79-7)
- Humulone (CAS 26472-41-3)
- Orforglipron Impurity 112 (CAS CATO-C4X-3234112)
- 2-Hydroxy-3a,4,7,7a-tetrahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione (CAS 5596-17-8)
- N-(2-(1H-Pyrazol-4-yl)-1H-indol-6-yl)butyramide (CAS 827318-31-0)
- 1,2-Dihydro-5-nitro-2-oxo-3-pyridinecarbonitrile (CAS 31309-38-3)
- N-(3-Amino-4,5-dimethylphenyl)acetamide (CAS 53997-75-4)
- Ethyl (2E)-2-cyano-3-[(4-methyl-1,3-thiazol-2-yl)amino]prop-2-enoate (CAS 871926-00-0)
- 1-(2-Bromoallyl)-4-fluoronaphthalene (CAS 1443326-72-4)
- 3-(2-Fluorobenzyl)-2-thioxo-2,3-dihydrothieno[3,2-d]pyrimidin-4(1H)-one (CAS 440327-83-3)
- β-Amyrin (CAS 559-70-6)
- 1-((5-Bromo-4-hydrazinylpyridin-3-yl)sulfonyl)azepane (CAS 1352517-27-1)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
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