138923-96-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138923-96-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,2 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138923-96:
(8*1)+(7*3)+(6*8)+(5*9)+(4*2)+(3*3)+(2*9)+(1*6)=163
163 % 10 = 3
So 138923-96-3 is a valid CAS Registry Number.