40916-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40916-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,1 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40916-98:
(7*4)+(6*0)+(5*9)+(4*1)+(3*6)+(2*9)+(1*8)=121
121 % 10 = 1
So 40916-98-1 is a valid CAS Registry Number.