543723-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543723-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,7,2 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 543723-34:
(8*5)+(7*4)+(6*3)+(5*7)+(4*2)+(3*3)+(2*3)+(1*4)=148
148 % 10 = 8
So 543723-34-8 is a valid CAS Registry Number.