77260-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77260-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,6 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77260-16:
(7*7)+(6*7)+(5*2)+(4*6)+(3*0)+(2*1)+(1*6)=133
133 % 10 = 3
So 77260-16-3 is a valid CAS Registry Number.
77260-16-3Relevant articles and documents
Total synthesis of ring-c aromatic 18-nor steroid1 1 Abstracted in part from the Ph.D. thesis (1970) of B.G.H.A part of this work appeared in a preliminary communication (see [7]).
Chatterjee,Hazra
, p. 2513 - 2519 (2007/10/02)
The total synthesis of (±)-11-methoxy-18-nor-5χ and 5β-androsta-8(9),11,13(14)-triene-3,17-dione is reported.