261163-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 261163-74-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,1,6 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 261163-74:
(8*2)+(7*6)+(6*1)+(5*1)+(4*6)+(3*3)+(2*7)+(1*4)=120
120 % 10 = 0
So 261163-74-0 is a valid CAS Registry Number.