Halobetasol Propionate Impurity D CAS 66852-61-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66852-61-7 |
| Molecular Formula | C25H31Cl2FO5 |
| Molecular Weight | 501.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Halobetasol Propionate Impurity D (CAS 66852-61-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C25H31Cl2FO5. Molecular weight: 501.42 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H31Cl2FO5 |
| Molecular Weight | 501.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | F/Cl-containing |
Related Halobetasol Standards
- Halobetasol Impurity 5 (CAS 79861-38-4)
- Halobetasol Impurity 12 (CAS CATO-C4X-331412)
- Halobetasol Propionate (CAS 66852-54-8)
- Halobetasol Impurity 4 (CAS CATO-C4X-33144)
- Halobetasol Impurity 1 (CAS 84509-92-2)
- Halobetasol Impurity 11 (CAS CATO-C4X-331411)
- Halobetasol Impurity 3 (CAS 181527-42-4)
- Halobetasol Impurity 10 (CAS CATO-C4X-331410)
Recommended Standards
- 3-(3-((2,4-Dichlorobenzyl)oxy)phenyl)-1-(mesitylsulfonyl)-1H-pyrazole (CAS 477712-75-7)
- (5-((3,5-Dichlorophenyl)thio)-4-isopropyl-1-(quinolin-3-ylmethyl)-1H-imidazol-2-yl)methyl carbamate (CAS 178980-21-7)
- 5-(4-Bromophenyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-4-(4-isopropoxy-3-methylbenzoyl)-1H-pyrrol-2(5H)-one (CAS 371225-07-9)
- N-(4-(Azepan-1-yl)phenyl)benzo[d]oxazol-2-amine (CAS 940856-02-0)
- 3-(4-Chlorophenyl)-6-tosylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 439109-02-1)
- n-(Thiazol-5-ylmethyl)butan-2-amine (CAS 1339483-76-9)
- 1-(4,6-Dimethylpyrimidin-2-yl)-3-(3-(trifluoromethyl)phenyl)guanidine (CAS 94828-52-1)
- ent-Mesembrine (CAS 468-53-1)
- 4-(Allyloxy)-3-bromo-5-ethoxybenzaldehyde (CAS 426232-67-9)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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