38399-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38399-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,3,9 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 38399-66:
(7*3)+(6*8)+(5*3)+(4*9)+(3*9)+(2*6)+(1*6)=165
165 % 10 = 5
So 38399-66-5 is a valid CAS Registry Number.