Cholesterol EP Impurity A CAS 80-99-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 80-99-9 |
| Molecular Formula | C27H46O |
| Molecular Weight | 386.65 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cholesterol EP Impurity A (CAS 80-99-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C27H46O. Molecular weight: 386.65 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C27H46O |
| Molecular Weight | 386.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Cholesterol Standards
- Cholesterol Impurity 25 (CAS CATO-C4X-196725)
- Cholesterol Impurity 36 (CAS 7199-91-9)
- Cholesterol (CAS 57-88-5)
- Cholesterol-3- (CAS 334974-05-9)
- Cholesterol-3-d1 (CAS 51467-57-3)
- Cholesterol probe for Smoothened (CAS CATO-C3D-262450)
- Cholesterol Impurity 12 (CAS 1474-14-2)
- Cholesterol-3,4-13C2 (CAS 78887-48-6)
Recommended Standards
- (E)-3-Chloro-2-((2,4-dichlorobenzylidene)amino)-9H-fluoren-9-one (CAS 7151-62-4)
- 4-Cholesten-3β-Ol (CAS 517-10-2)
- Bis(4-tert-butyl-2,6-dimethylphenyl) disulfide (CAS 68819-90-9)
- Sulfadimethoxine EP Impurity C (CAS 121-62-0)
- Vitamin K1 Impurity 69 (CAS CATO-C4X-220769)
- 2-Fluoro-5-methylpyridine-4-carboxaldehyde (CAS 1227512-02-8)
- 1-(P-tolyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine (CAS 890090-95-6)
- 3-(4-Aminophenyl)-N,N-dimethyl-5-(trifluoromethyl)pyridin-2-amine (CAS 1299607-52-5)
- 7-Bromo-2,3-dihydro-1,4-benzodioxine-5-boronic acid (CAS 2096330-02-6)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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