1803321-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1803321-00-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,3,3,2 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1803321-00:
(9*1)+(8*8)+(7*0)+(6*3)+(5*3)+(4*2)+(3*1)+(2*0)+(1*0)=117
117 % 10 = 7
So 1803321-00-7 is a valid CAS Registry Number.