543710-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543710-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,7,1 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 543710-70:
(8*5)+(7*4)+(6*3)+(5*7)+(4*1)+(3*0)+(2*7)+(1*0)=139
139 % 10 = 9
So 543710-70-9 is a valid CAS Registry Number.