433220-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 433220-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,2,2 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 433220-16:
(8*4)+(7*3)+(6*3)+(5*2)+(4*2)+(3*0)+(2*1)+(1*6)=97
97 % 10 = 7
So 433220-16-7 is a valid CAS Registry Number.