338-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338-85-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,3 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 338-85:
(5*3)+(4*3)+(3*8)+(2*8)+(1*5)=72
72 % 10 = 2
So 338-85-2 is a valid CAS Registry Number.