55902-92-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55902-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,0 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55902-92:
(7*5)+(6*5)+(5*9)+(4*0)+(3*2)+(2*9)+(1*2)=136
136 % 10 = 6
So 55902-92-6 is a valid CAS Registry Number.