70016-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70016-42-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,1 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 70016-42:
(7*7)+(6*0)+(5*0)+(4*1)+(3*6)+(2*4)+(1*2)=81
81 % 10 = 1
So 70016-42-1 is a valid CAS Registry Number.