550352-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 550352-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,0,3,5 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 550352-43:
(8*5)+(7*5)+(6*0)+(5*3)+(4*5)+(3*2)+(2*4)+(1*3)=127
127 % 10 = 7
So 550352-43-7 is a valid CAS Registry Number.