116344-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116344-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,3,4 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 116344-55:
(8*1)+(7*1)+(6*6)+(5*3)+(4*4)+(3*4)+(2*5)+(1*5)=109
109 % 10 = 9
So 116344-55-9 is a valid CAS Registry Number.