71387-06-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71387-06-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,8 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71387-06:
(7*7)+(6*1)+(5*3)+(4*8)+(3*7)+(2*0)+(1*6)=129
129 % 10 = 9
So 71387-06-9 is a valid CAS Registry Number.