195612-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195612-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,6,1 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 195612-80:
(8*1)+(7*9)+(6*5)+(5*6)+(4*1)+(3*2)+(2*8)+(1*0)=157
157 % 10 = 7
So 195612-80-7 is a valid CAS Registry Number.