ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione
17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione
- CAS No.
- 13504-15-9
- Chemical Name:
- 17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione
- Synonyms
- 17,21-Dihydroxy-16β-methylpregna-1,4,9(11)-triene-3,20-dione;Betamethasone Impurity C;(8S,10S,13S,14S,16S,17R);Betamethasone EP Impurity C;Betamethasone Impurity 3（Betamethasone EP Impurity C）;16β-Methyl-17,21-dihydroxypregna-1,4,9(11)-triene-3,20-dione;17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione;17, 21-dihydroxy-16β-methylpregna-1, 4, 9(11)-triene-3,20-dione;(16β)-17,21-Dihydroxy-16β-methyl-pregna-1,4,9(11)-triene-3,20-dione;Pregna-1,4,9(11)-triene-3,20-dione, 17,21-dihydroxy-16-methyl-, (16β)-
- CBNumber:
- CB8888189
- Molecular Formula:
- C22H28O4
- Molecular Weight:
- 356.46
- MOL File:
- 13504-15-9.mol
- Modify Date:
- 2023/5/15 10:44:01
| Melting point | 209-212 °C(Solv: acetone (67-64-1); hexane (110-54-3)) |
|---|---|
| Boiling point | 548.3±50.0 °C(Predicted) |
| Density | 1.24±0.1 g/cm3(Predicted) |
| solubility | Acetone (Slightly), Chloroform (Slightly) |
| form | Solid |
| pka | 12.53±0.70(Predicted) |
| color | White to Off-White |
17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione Preparation Products And Raw materials
Raw materials
Preparation Products
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17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione
16β-Methyl-17,21-dihydroxypregna-1,4,9(11)-triene-3,20-dione
Betamethasone EP Impurity C
(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one
(8S,10S,13S,14S,16S,17R)
Betamethasone Impurity 3（Betamethasone EP Impurity C）
Betamethasone impurity 2/Betamethasone EP Impurity C/(8S,10S,13S,14S,16S,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one
Pregna-1,4,9(11)-triene-3,20-dione, 17,21-dihydroxy-16-methyl-, (16β)-
(16β)-17,21-Dihydroxy-16β-methyl-pregna-1,4,9(11)-triene-3,20-dione
17, 21-dihydroxy-16β-methylpregna-1, 4, 9(11)-triene-3,20-dione
Betamethasone Impurity C
(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one
17,21-Dihydroxy-16β-methylpregna-1,4,9(11)-triene-3,20-dione
(8S,10S,13S,14S,16S,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one (Betamethasone Impurity)
13504-15-9