219316-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219316-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,3,1 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219316-47:
(8*2)+(7*1)+(6*9)+(5*3)+(4*1)+(3*6)+(2*4)+(1*7)=129
129 % 10 = 9
So 219316-47-9 is a valid CAS Registry Number.