49861-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49861-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,8,6 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 49861-20:
(7*4)+(6*9)+(5*8)+(4*6)+(3*1)+(2*2)+(1*0)=153
153 % 10 = 3
So 49861-20-3 is a valid CAS Registry Number.