1620124-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620124-63-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,1,2 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1620124-63:
(9*1)+(8*6)+(7*2)+(6*0)+(5*1)+(4*2)+(3*4)+(2*6)+(1*3)=111
111 % 10 = 1
So 1620124-63-1 is a valid CAS Registry Number.