801987-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 801987-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,1,9,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 801987-97:
(8*8)+(7*0)+(6*1)+(5*9)+(4*8)+(3*7)+(2*9)+(1*7)=193
193 % 10 = 3
So 801987-97-3 is a valid CAS Registry Number.