20047-75-0 Usage
Uses
Hormonal contraceptive.
Check Digit Verification of cas no
The CAS Registry Mumber 20047-75-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,4 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20047-75:
(7*2)+(6*0)+(5*0)+(4*4)+(3*7)+(2*7)+(1*5)=70
70 % 10 = 0
So 20047-75-0 is a valid CAS Registry Number.
InChI:InChI=1/C21H29ClO3/c1-12(23)21(25)9-6-16-14-11-18(22)17-10-13(24)4-7-19(17,2)15(14)5-8-20(16,21)3/h10-11,13-16,24-25H,4-9H2,1-3H3
20047-75-0Relevant articles and documents
Novel N-nitroso compounds, compositions containing such compounds, processes for their preparation and methods of treatment therewith, and novel intermediates
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, (2008/06/13)
This invention relates to novel N-halogenoalkyl-N-nitroso carbamates and N 4 halogenalkyl-N 4 -nitroso allophanates of steroid compounds, having an anti-tumor activity, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.