71988-70-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71988-70-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,8 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71988-70:
(7*7)+(6*1)+(5*9)+(4*8)+(3*8)+(2*7)+(1*0)=170
170 % 10 = 0
So 71988-70-0 is a valid CAS Registry Number.