9-Chloro Triamcinolone Acetonide 21-Acetate CAS 10392-75-3
| CAS No. | 10392-75-3 |
| Molecular Formula | C26H33ClO7 |
| Molecular Weight | 492.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C26H33ClO7, 9-Chloro Triamcinolone Acetonide 21-Acetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 492.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
9-Chloro Triamcinolone Acetonide 21-Acetate (CAS 10392-75-3), molecular formula C26H33ClO7 and molecular weight 492.99 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 9-Chloro Triamcinolone Acetonide 21-Acetate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C26H33ClO7 |
| Molecular Weight | 492.99 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 5-Chloro-3-ethoxy-2-fluoropyridine (CAS 2586126-91-0)
- 2-Phenyl-1-(2-thioxopyrrolidin-1-yl)ethanone (CAS 121003-09-6)
- 2-Chloro-7-nitroquinoxaline (CAS 55686-94-7)
- 2-(Ethyl(4-fluorophenyl)amino)acetonitrile (CAS 1247196-05-9)
- (5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 2,4-dichlorobenzoate (CAS 318289-18-8)
- 3-Methylbenzofuran-2-carbonitrile (CAS 2076-42-8)
- Ethyl 4-(Trifluoromethyl)thiazole-2-carboxylate (CAS 79247-86-2)
- 6-Chloro-1-(2-fluorophenyl)-1-oxohexane (CAS 488098-59-5)
- 2,5-Diphenyl-1,3,2-dioxaborolan-4-one (CAS 55538-80-2)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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