543699-85-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543699-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,6,9 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 543699-85:
(8*5)+(7*4)+(6*3)+(5*6)+(4*9)+(3*9)+(2*8)+(1*5)=200
200 % 10 = 0
So 543699-85-0 is a valid CAS Registry Number.