161692-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161692-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,6,9 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161692-90:
(8*1)+(7*6)+(6*1)+(5*6)+(4*9)+(3*2)+(2*9)+(1*0)=146
146 % 10 = 6
So 161692-90-6 is a valid CAS Registry Number.
InChI:InChI=1/C21H22F2O3/c1-13(2)12-26-21(25)14(3)10-20(24)16-6-4-15(5-7-16)18-9-8-17(22)11-19(18)23/h4-9,11,13-14H,10,12H2,1-3H3