128352-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128352-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,5 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128352-53:
(8*1)+(7*2)+(6*8)+(5*3)+(4*5)+(3*2)+(2*5)+(1*3)=124
124 % 10 = 4
So 128352-53-4 is a valid CAS Registry Number.