39954-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39954-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,5 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39954-63:
(7*3)+(6*9)+(5*9)+(4*5)+(3*4)+(2*6)+(1*3)=167
167 % 10 = 7
So 39954-63-7 is a valid CAS Registry Number.