543707-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543707-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,7,0 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 543707-27:
(8*5)+(7*4)+(6*3)+(5*7)+(4*0)+(3*7)+(2*2)+(1*7)=153
153 % 10 = 3
So 543707-27-3 is a valid CAS Registry Number.