916420-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916420-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,4,2 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 916420-88:
(8*9)+(7*1)+(6*6)+(5*4)+(4*2)+(3*0)+(2*8)+(1*8)=167
167 % 10 = 7
So 916420-88-7 is a valid CAS Registry Number.