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| | (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Basic information |
| Product Name: | (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione | | Synonyms: | (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione;Budesonide-22S;S-22Budesonide;(22S)-Budesonide;16α,17-[(S)-Butylidenebisoxy]-11β,21-dihydroxypregna-1,4-diene-3,20-dione;(22S)-Budesonide (85:15 = S:R);Budesonide (22S)-Isomer;Budenoside Impurity 3 | | CAS: | 51372-28-2 | | MF: | C25H34O6 | | MW: | 430.53 | | EINECS: | 257-160-1 | | Product Categories: | Intermediates & Fine Chemicals;Pharmaceuticals;Steroids | | Mol File: | 51372-28-2.mol |  |
| | (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Chemical Properties |
| Melting point | 196-198°C | | Boiling point | 599.7±50.0 °C(Predicted) | | density | 1.27±0.1 g/cm3(Predicted) | | storage temp. | -20°C Freezer | | solubility | Chloroform (Slightly), Dichloromethane, Methanol (Slightly) | | form | Solid | | pka | 12.87±0.10(Predicted) | | color | White to Off-White |
| | (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Usage And Synthesis |
| Chemical Properties | Off-White Solid | | Uses | Budesonide (B689490) epimer S. Budesonide 22R epimer is more active than 22S epimer. | | Brand name | Entocort (AstraZeneca);
Pulmicort (AstraZeneca); Rhinocort (AstraZeneca). |
| | (S)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione Preparation Products And Raw materials |
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