Ethinylestradiol EP Impurity H CAS 1350468-76-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1350468-76-6 |
| Molecular Formula | C20H22O3 |
| Molecular Weight | 310.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ethinylestradiol EP Impurity H (CAS 1350468-76-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H22O3. Molecular weight: 310.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H22O3 |
| Molecular Weight | 310.39 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 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.) | 1991 |
Related Ethinylestradiol Standards
- Ethinylestradiol EP Impurity G (CAS 38002-18-5)
- Ethinylestradiol 1-Hydroxy 4-Methyl Impurity (CAS 1034298-00-4)
- Ethinylestradiol EP Impurity J (CAS 15071-66-6)
- Ethinylestradiol EP Impurity K (CAS 155683-61-7)
- Ethinylestradiol EP Impurity M (CAS 3240-39-9)
- Ethinylestradiol EP Impurity F (CAS 56324-28-8)
- Ethinylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol) (CAS 27521-34-2)
- Ethinylestradiol 2-Hydroxy Impurity (CAS 50394-89-3)
Recommended Standards
- Dienogest Impurity 19 (CAS 7291-52-3)
- Praziquantel Impurity 5 (CAS 79848-92-3)
- Niraparib Impurity 29 (CAS 2308483-85-2)
- Mirogabalin Impurity 104 (CAS CATO-C4X-2924104)
- Candesartan Cilexetil Impurity 28 (CAS 2248319-77-7)
- 2-(4-(4-Chlorophenyl)-2-methyl-3-oxo-1,2,4-oxadiazolidin-5-yl)-N,N-diisopropylacetamide (CAS 478063-82-0)
- 4-(Methoxymethoxy)-3-(1-methylethyl)phenylboronic acid (CAS 565452-39-3)
- Benzo[c][1,2,5]thiadiazole-4,7-dicarbaldehyde (CAS 5170-67-2)
- Ethyl 1-(3-bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate (CAS 346441-21-2)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
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