5,5'-bis-(2,4,5-trichloro-phenoxymethyl)-3H,3'H-3,3'-(biphenyl-4,4'-diyldiamino-dimethyl)-bis-[1,3,4]oxadiazole-2-thione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 54919-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,1 and 9 respectively; the second part has 2 digits, 1 and 2 respectively. Calculate Digit Verification of CAS Registry Number 54919-12: (7*5)+(6*4)+(5*9)+(4*1)+(3*9)+(2*1)+(1*2)=139 139 % 10 = 9 So 54919-12-9 is a valid CAS Registry Number.