Naphthalene, 2,2'-[(diphenylmethylene)bis(thio)]bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 94559-19-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,5,5 and 9 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 94559-19: (7*9)+(6*4)+(5*5)+(4*5)+(3*9)+(2*1)+(1*9)=170 170 % 10 = 0 So 94559-19-0 is a valid CAS Registry Number.