Pregna 1 4 9 21 AcetateProduct: Pregna-1,4,9(11)-triene-17a,21-diol-3,20-dione 21-acetate Usage: precursor in the synthesis of fluorocorticoids (dexamethasone, triamcinolone, betamethasone, etc.) Strain: Non-pathogenic bacterial strain. Substrate: Pregna-4,9(11)-diene-17a,21-diol-3,20-dione 21-acetate Biotechnology parameters:
- Substrate loading (g/l): 5
- Duration of microbial transformation stage: 8-9 hrs
- Molar yield: > 92 %
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