20041-37-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20041-37-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,4 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20041-37:
(7*2)+(6*0)+(5*0)+(4*4)+(3*1)+(2*3)+(1*7)=46
46 % 10 = 6
So 20041-37-6 is a valid CAS Registry Number.