1,1,3,3-tetrachloro-1,2,2,4,4,4-hexafluoro-butane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 57504-35-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,5,0 and 4 respectively; the second part has 2 digits, 3 and 5 respectively. Calculate Digit Verification of CAS Registry Number 57504-35: (7*5)+(6*7)+(5*5)+(4*0)+(3*4)+(2*3)+(1*5)=125 125 % 10 = 5 So 57504-35-5 is a valid CAS Registry Number.