40159-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40159-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,5 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 40159-65:
(7*4)+(6*0)+(5*1)+(4*5)+(3*9)+(2*6)+(1*5)=97
97 % 10 = 7
So 40159-65-7 is a valid CAS Registry Number.