Levonorgestrel Impurity 33 CAS 93798-38-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 93798-38-0 |
| Molecular Formula | C21H24O2 |
| Molecular Weight | 308.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Levonorgestrel Impurity 33 (CAS 93798-38-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H24O2. Molecular weight: 308.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H24O2 |
| Molecular Weight | 308.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
Related Levonorgestrel Standards
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- Levonorgestrel EP Impurity B (CAS 19914-67-1)
Recommended Standards
- Idebenone Impurity 11 (CAS 116460-81-2)
- Exemestane EP Impurity C (CAS 2130745-60-5)
- Idebenone Impurity 5 (CAS CATO-C4X-30165)
- Ilaprazole Impurity 150 (CAS CATO-C4X-1130150)
- Sunitinib Impurity 47 (CAS 56341-39-0)
- 6-Methyl-2-[(4-phenylpiperidin-1-yl)methyl]pyrimidin-4-ol (CAS 866155-53-5)
- 1-(5-Methyl-1,3,4-oxadiazol-2-yl)cyclopropan-1-amine hydrochloride (CAS 1864016-24-9)
- 5-Chloro-1-(2,6-dichlorobenzyl)-6-oxo-N-(3-(trifluoromethyl)phenyl)-1,6-dihydropyridine-3-carboxamide (CAS 339023-89-1)
- 1-(2-Methylbenzyl)piperidin-4-ol (CAS 414882-65-8)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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