354547-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 354547-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,4,5,4 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 354547-20:
(8*3)+(7*5)+(6*4)+(5*5)+(4*4)+(3*7)+(2*2)+(1*0)=149
149 % 10 = 9
So 354547-20-9 is a valid CAS Registry Number.