3809-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3809-51-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,0 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3809-51:
(6*3)+(5*8)+(4*0)+(3*9)+(2*5)+(1*1)=96
96 % 10 = 6
So 3809-51-6 is a valid CAS Registry Number.