13337-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13337-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,3 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13337-85:
(7*1)+(6*3)+(5*3)+(4*3)+(3*7)+(2*8)+(1*5)=94
94 % 10 = 4
So 13337-85-4 is a valid CAS Registry Number.