| Identification | |
| Name: | Spiro[estr-4-ene-17,2'(3'H)-furan]-3-one,4',5'-dihydro-, (17b)- (9CI) |
| Synonyms: | Spiro[estr-4-ene-17,2'(3'H)-furan]-3-one,4',5'-dihydro-, (17R)- (8CI); Spiro[17H-cyclopenta[a]phenanthrene-17,2'(3'H)-furan],spiro[estr-4-ene-17,2'(3'H)-furan]-3-one deriv.; 19-Nor-20-spirox-4-en-3-one;19-Norspiroxenone; Compound B19; L 586.153 |
| CAS: | 1235-13-8 |
| Molecular Formula: | C21H30 O2 |
| Molecular Weight: | 314.51 |
| InChI: | InChI=1/C21H30O2/c1-20-10-7-17-16-6-4-15(22)13-14(16)3-5-18(17)19(20)8-11-21(20)9-2-12-23-21/h13,16-19H,2-12H2,1H3/t16-,17+,18+,19-,20-,21-/m0/s1 |
| Molecular Structure: | ![(C21H30O2) Spiro[estr-4-ene-17,2'(3'H)-furan]-3-one,4',5'-dihydro-, (17R)- (8CI); Spiro[17H-cyclopenta[a]phenan...](https://img1.guidechem.com/chem/e/dict/214/1235-13-8.jpg) |
| Properties | |
| Flash Point: | 196.6°C |
| Boiling Point: | 465.7°Cat760mmHg |
| Density: | 1.12g/cm3 |
| Refractive index: | 1.561 |
| Specification: |
19-Norspiroxenone (CAS NO.1235-13-8) , a potent anti-estrogen with no known estrogenic action, produces a striking arrest of spermatogenesis in the early stages of meiosis in the adult male rat with a complete block of fertility. |
| Flash Point: | 196.6°C |
| Safety Data | |
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