87789-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87789-50-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,8 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87789-50:
(7*8)+(6*7)+(5*7)+(4*8)+(3*9)+(2*5)+(1*0)=202
202 % 10 = 2
So 87789-50-2 is a valid CAS Registry Number.