Betamethasone Impurity 20
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate
CAS: 4735-65-3
Molecular Formula: C24H31BrO6
Betamethasone Impurity 20 - Names and Identifiers
Betamethasone Impurity 20 - Physico-chemical Properties
| Molecular Formula | C24H31BrO6 |
| Molar Mass | 495.41 |
| Density | 1.44±0.1 g/cm3(Predicted) |
| Melting Point | 140-142 °C (decomp)(Solv: acetone (67-64-1); ethyl ether (60-29-7)) |
| Boling Point | 619.1±55.0 °C(Predicted) |
| pKa | 12.12±0.70(Predicted) |
| Physical and Chemical Properties | Crystallization. |
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Betamethasone Impurity 20
trans-4-Methulcyclohexyl
3-吡咯烷乙酸甲酯盐酸盐
H-ARG-CYS-BETA-CYCLOHEXYL-ALA-GLY-GLY-ARG-ILE-ASP-ARG-ILE-D-TIC-ARG-CYS-NH2
1H-Pyrazolo[4,3-d]pyrimidine (6CI,8CI,9CI)
2-(2-氯-4-碘苯氨基)-N-(环丙基甲氧基)-3,4-二氟苯酰胺
(RS)-2-[2-[4-[(2-Chloro-phenyl)phenylMethyl]piperazin-1-yl]ethoxy]aceticAcidDihydrochloride
DL-2 4-DIHYDROXY-N-(3-HYDROXYPROPYL)-3 3-DIMETHYLBUTYRAMIDE
Benzoic acid, 3,5-dichloro-4-methoxy-, 2-(1-methyl-2-phenylethylidene)hydrazide
1-(TOLUENE-4-SULFONYL)-1H-INDOLE-3-BORONIC ACID PINACOL ESTER
trans-4-Methulcyclohexyl
3-吡咯烷乙酸甲酯盐酸盐
H-ARG-CYS-BETA-CYCLOHEXYL-ALA-GLY-GLY-ARG-ILE-ASP-ARG-ILE-D-TIC-ARG-CYS-NH2
1H-Pyrazolo[4,3-d]pyrimidine (6CI,8CI,9CI)
2-(2-氯-4-碘苯氨基)-N-(环丙基甲氧基)-3,4-二氟苯酰胺
(RS)-2-[2-[4-[(2-Chloro-phenyl)phenylMethyl]piperazin-1-yl]ethoxy]aceticAcidDihydrochloride
DL-2 4-DIHYDROXY-N-(3-HYDROXYPROPYL)-3 3-DIMETHYLBUTYRAMIDE
Benzoic acid, 3,5-dichloro-4-methoxy-, 2-(1-methyl-2-phenylethylidene)hydrazide
1-(TOLUENE-4-SULFONYL)-1H-INDOLE-3-BORONIC ACID PINACOL ESTER