ChemicalBook > CAS DataBase List > Betamethasone impurity 1
Betamethasone impurity 1
- Product Name
- Betamethasone impurity 1
- CAS No.
- 560-34-9
- Chemical Name
- Betamethasone impurity 1
- Synonyms
- Betamethasone impurity 1;(11β,16β)-9-Fluoro-11,17,21-trihydroxy-16-methylpregn-4-ene-3,20-dione;Pregn-4-ene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-16-methyl-, (11β,16β)-;(8S,9R,10S,11S,13S,14S,16S,17R)-9-Fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one;(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-17-(2- hydroxyacetyl)-10,13,16-trimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
- CBNumber
- CB83359091
- Molecular Formula
- C22H31FO5
- Formula Weight
- 394.48
- MOL File
- 560-34-9.mol
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Betamethasone impurity 1 Property
- Melting point:
- 220-224 °C
- Boiling point:
- 566.6±50.0 °C(Predicted)
- Density
- 1.30±0.1 g/cm3(Predicted)
- solubility
- Methanol, Acetone
- form
- Solid
- pka
- 12.14±0.70(Predicted)
- color
- White
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Betamethasone impurity 1 Preparation Products And Raw materials
Raw materials
Preparation Products
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9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione
Betamethasone EP Impurity F
9-fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-(hydrogen phosphonate)
Betamethasone Impurity 35
Betamethasone
BecloMethasone 17-Valerate
Betamethasone 21-acetate
9beta,11beta-epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate
9-fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 17-propionate