1,4-Dimethoxy-2-methyl-3-((2E,6E,10E)-3,7,11,15-tetramethyl-9-phenylsulfanyl-hexadeca-2,6,10,14-tetraenyl)-naphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 66958-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,5 and 8 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 66958-52: (7*6)+(6*6)+(5*9)+(4*5)+(3*8)+(2*5)+(1*2)=179 179 % 10 = 9 So 66958-52-9 is a valid CAS Registry Number.