121564-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121564-36-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,6 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121564-36:
(8*1)+(7*2)+(6*1)+(5*5)+(4*6)+(3*4)+(2*3)+(1*6)=101
101 % 10 = 1
So 121564-36-1 is a valid CAS Registry Number.