143717-88-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143717-88-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,1 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143717-88:
(8*1)+(7*4)+(6*3)+(5*7)+(4*1)+(3*7)+(2*8)+(1*8)=138
138 % 10 = 8
So 143717-88-8 is a valid CAS Registry Number.