501443-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501443-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,4,4 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 501443-56:
(8*5)+(7*0)+(6*1)+(5*4)+(4*4)+(3*3)+(2*5)+(1*6)=107
107 % 10 = 7
So 501443-56-7 is a valid CAS Registry Number.