543694-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543694-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,6,9 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 543694-67:
(8*5)+(7*4)+(6*3)+(5*6)+(4*9)+(3*4)+(2*6)+(1*7)=183
183 % 10 = 3
So 543694-67-3 is a valid CAS Registry Number.