103422-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103422-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,2 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 103422-99:
(8*1)+(7*0)+(6*3)+(5*4)+(4*2)+(3*2)+(2*9)+(1*9)=87
87 % 10 = 7
So 103422-99-7 is a valid CAS Registry Number.