55625-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55625-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,2 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55625-69:
(7*5)+(6*5)+(5*6)+(4*2)+(3*5)+(2*6)+(1*9)=139
139 % 10 = 9
So 55625-69-9 is a valid CAS Registry Number.