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| CAS No.: | 1235-13-8 |
|---|---|
| Name: | (17R)-4',5'-Dihydrospiro[estr-4-ene-17,2'(3'H)-furan]-3-one |
| Article Data: | 1 |
| Molecular Structure: | |
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| Formula: | C21H30 O2 |
| Molecular Weight: | 314.468 |
| 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 |
| Density: | 1.12g/cm3 |
| Boiling Point: | 465.7°Cat760mmHg |
| Flash Point: | 196.6°C |
| Safety: | Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. |
| PSA: | 26.30000 |
| LogP: | 4.67740 |
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Chemistry
Product Name: 19-Norspiroxenone
CAS Registry Number: 1235-13-8
Synonyms: 19-Norspiroxenone ; 2',3'-alpha-Tetrahydrofuran-2'-spiro-17-(estr-4-en-3-one) ; BRN 1390059 ; L 586.153
Systematic Name: Spiro(estr-4-ene-17,2'(3'H)-furan)-3-one, 4',5'-dihydro-, (17R)-
IUPAC Name: (8R,9S,10R,13S,14S,17R)-13-methylspiro[1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,2'-oxolane]-3-one
Molecular Weight: 314.4617 [g/mol]
Molecular Formula: C21H30O2
XLogP3: 3.5
H-Bond Acceptor: 2
Surface Tension: 43.5 dyne/cm
Density: 1.12 g/cm3
Flash Point: 196.6 °C
Enthalpy of Vaporization: 72.73 kJ/mol
Boiling Point: 465.7 °C at 760 mmHg
Vapour Pressure: 7.55E-09 mmHg at 25°C
Following is the molecular structure of 19-Norspiroxenone (CAS NO.1235-13-8) is:
Toxicity Data With Reference
| 1. | spm-rat-scu 40 mg/kg | PSEBAA Proceedings of the Society for Experimental Biology and Medicine. 150 (1975),226. |
Safety Profile
Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
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.