1240620-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240620-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,6,2 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1240620-37:
(9*1)+(8*2)+(7*4)+(6*0)+(5*6)+(4*2)+(3*0)+(2*3)+(1*7)=104
104 % 10 = 4
So 1240620-37-4 is a valid CAS Registry Number.