1345202-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1345202-57-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,2,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1345202-57:
(9*1)+(8*3)+(7*4)+(6*5)+(5*2)+(4*0)+(3*2)+(2*5)+(1*7)=124
124 % 10 = 4
So 1345202-57-4 is a valid CAS Registry Number.