341020-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 341020-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,1,0,2 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 341020-74:
(8*3)+(7*4)+(6*1)+(5*0)+(4*2)+(3*0)+(2*7)+(1*4)=84
84 % 10 = 4
So 341020-74-4 is a valid CAS Registry Number.