121355-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121355-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,5 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121355-39:
(8*1)+(7*2)+(6*1)+(5*3)+(4*5)+(3*5)+(2*3)+(1*9)=93
93 % 10 = 3
So 121355-39-3 is a valid CAS Registry Number.