190316-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190316-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,3,1 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 190316-43:
(8*1)+(7*9)+(6*0)+(5*3)+(4*1)+(3*6)+(2*4)+(1*3)=119
119 % 10 = 9
So 190316-43-9 is a valid CAS Registry Number.