40069-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40069-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,6 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 40069-16:
(7*4)+(6*0)+(5*0)+(4*6)+(3*9)+(2*1)+(1*6)=87
87 % 10 = 7
So 40069-16-7 is a valid CAS Registry Number.