Clobetasol Propionate CAS 25122-46-7
| CAS No. | 25122-46-7 |
| Molecular Formula | C25H32ClFO5 |
| Molecular Weight | 466.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Clobetasol Propionate 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.
CATO supplies Clobetasol Propionate (CAS 25122-46-7), a certified reference material (molecular formula C25H32ClFO5, MW 466.97 g/mol) for analytical method development and quality control.
Based on its molecular formula C25H32ClFO5, Clobetasol Propionate contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 466.97 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.
Physical & Chemical Properties
| Molecular Formula | C25H32ClFO5 |
| Molecular Weight | 466.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | F/Cl-containing |
Related Clobetasol Standards
- Clobetasol Propionate EP Impurity C (CAS 25122-52-5)
- Clobetasol Propionate EP Impurity D (CAS 25120-99-4)
- Clobetasol 17-Propionate-d5 (CAS CATO-CCAD302397)
- Clobetasol butyrate (CAS 25122-47-8)
- Clobetasol Propionate Impurity (21-Chloro-16β-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione) (CAS 95796-50-2)
- Clobetasol Propionate EP Impurity J (CAS 1486466-31-2)
- Clobetasol Propionate Impurity 19 (CAS CATO-C4X-159219)
- Clobetasol Propionate EP Impurity A (CAS 5534-13-4)
Recommended Standards
- 2-(4-(5-Chloro-2-methylphenyl)piperazin-1-yl)-7-(4-methoxyphenyl)thieno[3,2-d]pyrimidin-4(1H)-one (CAS 1226430-62-1)
- Ribociclib Impurity 19 (CAS CATO-C4X-310019)
- (+)-Cloprostenol Isopropyl Ester (CAS 157283-66-4)
- Tolvaptan Impurity 96 (CAS 1587638-01-4)
- methyl 2-amino-3-methoxypropanoate hydrochloride (CAS 88642-83-5)
- 1-(6-methoxypyridin-3-yl)ethanone 213193-32-9 5-Acetyl-2-Methoxypyridine A4597 (CAS 213193-32-9)
- 1-(4-((2-Chloropyridin-4-yl)methyl)azepan-1-yl)ethan-1-one (CAS 1316218-25-3)
- N-(3-bromophenyl)-2-chloropyrimidin-4-amine (CAS 1208083-02-6)
- 1-(Trifluoromethyl)imidazo[1,5-a]pyridine-6-carboxylic acid (CAS 2866497-92-7)
- 4-(2-Methyl-pyrimidin-4-ylmethyl)-octahydro-isoindole (CAS 1361111-40-1)
- Berberine Impurity 26 (CAS CATO-C4X-219926)
- Ixazomib Impurity 87 (CAS CATO-C4X-126787)
- 1-Methyl-4-nitro-1H-imidazole-5-carbonyl chloride (CAS 61982-14-7)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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