1806348-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1806348-49-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,6,3,4 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1806348-49:
(9*1)+(8*8)+(7*0)+(6*6)+(5*3)+(4*4)+(3*8)+(2*4)+(1*9)=181
181 % 10 = 1
So 1806348-49-1 is a valid CAS Registry Number.