90660-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90660-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,6 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90660-20:
(7*9)+(6*0)+(5*6)+(4*6)+(3*0)+(2*2)+(1*0)=121
121 % 10 = 1
So 90660-20-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H26F2O2/c1-14(7-6-8-15(2)13-18(23)24)9-10-17-16(3)20(21,22)12-11-19(17,4)5/h6-10,13H,11-12H2,1-5H3,(H,23,24)/b8-6+,10-9+,14-7-,15-13-