15743-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15743-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,4 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 15743-83:
(7*1)+(6*5)+(5*7)+(4*4)+(3*3)+(2*8)+(1*3)=116
116 % 10 = 6
So 15743-83-6 is a valid CAS Registry Number.