1306616-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1306616-22-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,6,6,1 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1306616-22:
(9*1)+(8*3)+(7*0)+(6*6)+(5*6)+(4*1)+(3*6)+(2*2)+(1*2)=127
127 % 10 = 7
So 1306616-22-7 is a valid CAS Registry Number.