Androstane-17-carboxylic acid, (5beta,17beta)-
438-08-4C[C@]12CCCC[C@H]1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](C(=O)O)CC[C@@H]12PBXJGQQGODZSQR-WQBJWTDHSA-N438-08-4DTXSID30195938純化方法Crystallise etiocholanic acid from glacial acetic acid and sublime it at 160o/0.002mm. The ethyl ester has m 77.5-78.5o (from EtOH) [] 546 +52.5o (c 0.61, pyridine). [Jacobs & Elderfield J Biol Chem 108 497 1935, Weiland et al. Hoppe Seyler's Z Physiol Chem 161 80 1926, Beilstein 9 III 2644.]
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