229318-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229318-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,3,1 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 229318-21:
(8*2)+(7*2)+(6*9)+(5*3)+(4*1)+(3*8)+(2*2)+(1*1)=132
132 % 10 = 2
So 229318-21-2 is a valid CAS Registry Number.