3487-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3487-71-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,8 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3487-71:
(6*3)+(5*4)+(4*8)+(3*7)+(2*7)+(1*1)=106
106 % 10 = 6
So 3487-71-6 is a valid CAS Registry Number.