55550-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55550-98-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,5 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55550-98:
(7*5)+(6*5)+(5*5)+(4*5)+(3*0)+(2*9)+(1*8)=136
136 % 10 = 6
So 55550-98-6 is a valid CAS Registry Number.