6α-Methyl Prednisolone-d3 CAS CATO-C4X-173725
| CAS No. | CATO-C4X-173725 |
| Molecular Formula | - |
| Molecular Weight | 377.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 377.49 g/mol gives 6α-Methyl Prednisolone-d3 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6α-Methyl Prednisolone-d3 (CAS CATO-C4X-173725), molecular formula C22H27D3O5 and molecular weight 377.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H27D3O5, 6α-Methyl Prednisolone-d3 contains deuterium isotope labeling, a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 377.49 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.
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 | C22H27D3O5 |
| Molecular Weight | 377.49 g/mol |
| Appearance | Pale yellow to 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Methyl Standards
- Prednisolone EP Impurity D (CAS 16355-29-6)
- Prednisolone EP Impurity E (CAS 95815-58-0)
- Prednisolone Impurity 19 (CAS 61549-70-0)
- Prednisolone impurity 59 (CAS CATO-C4X-173759)
- Prednisolone Acetate EP Impurity E (CAS 4380-55-6)
- Prednisolone-d8 (Major) (CAS CATO-C4X-191924)
- Prednisolone-d8 (CAS CATO-CCAD302219)
- Prednisolone-d8 (CAS CATO-LCAD302219-ME)
Recommended Standards
- GSK-843, >98% (HPLC) (CAS 1601496-05-2)
- Medrate-d3 (CAS CATO-CCAD302516)
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- N-(2-Hydroxy-3-(m-tolyloxy)propyl)-N-mesitylmethanesulfonamide (CAS 1040643-92-2)
- (2-Bromo-5-chloropyridin-4-yl)boronic acid (CAS 1072952-51-2)
- 4,4'-(9H-Carbazole-2,7-diyl)dianiline (CAS 1902127-03-0)
- 2-{1-[(methylsulfanyl)methyl]cyclopropyl}acetic acid (CAS 1001907-63-6)
- Tert-butyl (2R,3S)-3-formyl-2-methylmorpholine-4-carboxylate (CAS 1787250-19-4)
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- Galβ(1-3)[Neu5Acα(2-6)]GlcNAc-β-pNP (CAS 754954-71-7)
- 1-(2-Trifluoromethylphenyl)ethylamine (CAS 273384-78-4)
- 2-(3-Methylcyclopentylidene)acetic acid (CAS 854916-80-6)
- Methyl 1-oxaspiro[2.7]decane-2-carboxylate (CAS 73039-86-8)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
Why CATO?
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