143547-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143547-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,4 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143547-79:
(8*1)+(7*4)+(6*3)+(5*5)+(4*4)+(3*7)+(2*7)+(1*9)=139
139 % 10 = 9
So 143547-79-9 is a valid CAS Registry Number.