103443-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103443-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,4 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 103443-76:
(8*1)+(7*0)+(6*3)+(5*4)+(4*4)+(3*3)+(2*7)+(1*6)=91
91 % 10 = 1
So 103443-76-1 is a valid CAS Registry Number.