650604-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 650604-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,0,6,0 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 650604-74:
(8*6)+(7*5)+(6*0)+(5*6)+(4*0)+(3*4)+(2*7)+(1*4)=143
143 % 10 = 3
So 650604-74-3 is a valid CAS Registry Number.