121936-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121936-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,3 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121936-43:
(8*1)+(7*2)+(6*1)+(5*9)+(4*3)+(3*6)+(2*4)+(1*3)=114
114 % 10 = 4
So 121936-43-4 is a valid CAS Registry Number.