1203412-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203412-51-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,4,1 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1203412-51:
(9*1)+(8*2)+(7*0)+(6*3)+(5*4)+(4*1)+(3*2)+(2*5)+(1*1)=84
84 % 10 = 4
So 1203412-51-4 is a valid CAS Registry Number.