338749-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338749-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,7,4 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 338749-16:
(8*3)+(7*3)+(6*8)+(5*7)+(4*4)+(3*9)+(2*1)+(1*6)=179
179 % 10 = 9
So 338749-16-9 is a valid CAS Registry Number.