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337-68-8 (16beta)-16,21-epoxypregna-4,17-diene-3,11,21-trione | 
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| Chemical Name | (16beta)-16,21-epoxypregna-4,17-diene-3,11,21-trione | 
| Synonyms | 16-hydroxy-15,21-epoxypregna-4,17-diene-3,11,21-trione; 16β-Hydroxy-3,11-dioxopregna-4,17(20)-dien-21-oic acid γ-lactone | 
| Molecular Formula | C21H24O4 | 
| Molecular Weight | 340.4129 | 
| InChl | InChI=1/C21H24O4/c1-20-6-5-12(22)7-11(20)3-4-13-14-8-17-15(9-18(24)25-17)21(14,2)10-16(23)19(13)20/h7,9,13-14,17,19H,3-6,8,10H2,1-2H3/t13-,14-,17-,19+,20-,21-/m0/s1 | 
| CAS Registry Number | 337-68-8 | 
| Molecular Structure | ![]()  | 
			    
| Density | 1.27g/cm3 | 
| Boiling Point | 574.6°C at 760 mmHg | 
| Refractive Index | 1.594 | 
| Flash Point | 253.6°C | 
| Vapour Pressur | 3.29E-13mmHg at 25°C | 
| MSDS | |