169102-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169102-78-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,1,0 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 169102-78:
(8*1)+(7*6)+(6*9)+(5*1)+(4*0)+(3*2)+(2*7)+(1*8)=137
137 % 10 = 7
So 169102-78-7 is a valid CAS Registry Number.