40231-37-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40231-37-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,3 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40231-37:
(7*4)+(6*0)+(5*2)+(4*3)+(3*1)+(2*3)+(1*7)=66
66 % 10 = 6
So 40231-37-6 is a valid CAS Registry Number.