227318-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227318-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,3,1 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 227318-74:
(8*2)+(7*2)+(6*7)+(5*3)+(4*1)+(3*8)+(2*7)+(1*4)=133
133 % 10 = 3
So 227318-74-3 is a valid CAS Registry Number.