71500-18-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71500-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,0 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71500-18:
(7*7)+(6*1)+(5*5)+(4*0)+(3*0)+(2*1)+(1*8)=90
90 % 10 = 0
So 71500-18-0 is a valid CAS Registry Number.