89887-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89887-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,8 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89887-40:
(7*8)+(6*9)+(5*8)+(4*8)+(3*7)+(2*4)+(1*0)=211
211 % 10 = 1
So 89887-40-1 is a valid CAS Registry Number.