3849-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3849-16-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,4 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3849-16:
(6*3)+(5*8)+(4*4)+(3*9)+(2*1)+(1*6)=109
109 % 10 = 9
So 3849-16-9 is a valid CAS Registry Number.