121887-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121887-97-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121887-97:
(8*1)+(7*2)+(6*1)+(5*8)+(4*8)+(3*7)+(2*9)+(1*7)=146
146 % 10 = 6
So 121887-97-6 is a valid CAS Registry Number.