320579-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320579-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,5,7 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 320579-74:
(8*3)+(7*2)+(6*0)+(5*5)+(4*7)+(3*9)+(2*7)+(1*4)=136
136 % 10 = 6
So 320579-74-6 is a valid CAS Registry Number.