55509-37-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55509-37-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,0 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55509-37:
(7*5)+(6*5)+(5*5)+(4*0)+(3*9)+(2*3)+(1*7)=130
130 % 10 = 0
So 55509-37-0 is a valid CAS Registry Number.