(Z,Z,Z,Z)-3,4,7,8,11,12,15,16-octakis(methoxycarbonyl)-1,2,5,6,9,10,13,14-octathiacyclohexadeca-3,7,11,15-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 217084-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,0,8 and 4 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 217084-66: (8*2)+(7*1)+(6*7)+(5*0)+(4*8)+(3*4)+(2*6)+(1*6)=127 127 % 10 = 7 So 217084-66-7 is a valid CAS Registry Number.