Cortisol 21-sulfate potassium salt CAS 152957-32-9
| CAS No. | 152957-32-9 |
| Molecular Formula | C21H30O8S |
| Molecular Weight | N/A |
| 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.
Cortisol 21-sulfate potassium salt (CAS 152957-32-9), molecular formula C21H30O8SK and molecular weight 481.62 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Cortisol 21-sulfate potassium salt (C21H30O8SK) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 481.62 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Cortisol 21-sulfate potassium salt 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 | C21H30O8S K |
| Molecular Weight | 481.62 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Sulfur Atoms | 1 |
Related Cortisol Standards
- Cortisol-9,12,12-d3 (CAS 115699-92-8)
- Cortisol 21-Sulfate (CAS 1253-43-6)
- Cortisol-1,2-d2 (CAS 1257650-73-9)
- Cortisol 21-β-D-Glucuronide Methyl Ester 2,3,5-Triacetate (CAS 24562-21-8)
- Cortisol 21-m-Sulfobenzoate Sodium Salt (CAS 33767-03-2)
- Cortisol 21-mesylate (CAS 6677-96-9)
- Cortisol Impurity 4 (CAS 7050-24-0)
- Cortisol 21-beta-D-Glucuronide (CAS 7301-54-4)
Recommended Standards
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- 2-Bromo-3-chloro-4-fluoro-1-methoxybenzene (CAS 1881321-24-9)
- Pemetrexed Impurity 18 (CAS CATO-C4X-172618)
- 1,1,2,3-Tetramethyl-1H-benzo[e]indolium Hexafluorophosphate (CAS 372081-65-7)
- 2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)acetonitrile (CAS 175137-59-4)
- 2-Amino-n-isopropylpyrimidine-5-sulfonamide (CAS 1250808-20-8)
- 4-[4-(2-cyanoethynyl)benzoyl]oxy-2,3,5,6-tetrafluoro-benzenesulfonic acid (CAS 1644111-83-0)
- [Ser39-OH] Tirzepatide (CAS CATO-C4X-324041)
Why CATO?
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