537693-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 537693-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,7,6,9 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 537693-72:
(8*5)+(7*3)+(6*7)+(5*6)+(4*9)+(3*3)+(2*7)+(1*2)=194
194 % 10 = 4
So 537693-72-4 is a valid CAS Registry Number.