87451-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87451-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,5 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 87451-66:
(7*8)+(6*7)+(5*4)+(4*5)+(3*1)+(2*6)+(1*6)=159
159 % 10 = 9
So 87451-66-9 is a valid CAS Registry Number.