121922-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121922-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,2 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121922-69:
(8*1)+(7*2)+(6*1)+(5*9)+(4*2)+(3*2)+(2*6)+(1*9)=108
108 % 10 = 8
So 121922-69-8 is a valid CAS Registry Number.