38843-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38843-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,8,4 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 38843-68:
(7*3)+(6*8)+(5*8)+(4*4)+(3*3)+(2*6)+(1*8)=154
154 % 10 = 4
So 38843-68-4 is a valid CAS Registry Number.