55311-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55311-92-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,1 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55311-92:
(7*5)+(6*5)+(5*3)+(4*1)+(3*1)+(2*9)+(1*2)=107
107 % 10 = 7
So 55311-92-7 is a valid CAS Registry Number.