916042-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916042-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,0,4 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 916042-40:
(8*9)+(7*1)+(6*6)+(5*0)+(4*4)+(3*2)+(2*4)+(1*0)=145
145 % 10 = 5
So 916042-40-5 is a valid CAS Registry Number.