55339-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55339-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 55339-76:
(7*5)+(6*5)+(5*3)+(4*3)+(3*9)+(2*7)+(1*6)=139
139 % 10 = 9
So 55339-76-9 is a valid CAS Registry Number.