3,3'-dimethyl-2,3,2',3'-tetrahydro-2,2'-thiophene-2,5-diylbismethylene-bis-benzothiazole is a complex organic compound with the molecular formula C21H18N2S4. It is characterized by a unique structure that includes a thiophene ring, two benzothiazole groups, and a bismethylene bridge connecting the thiophene to the benzothiazoles. 3,3'-dimethyl-2,3,2',3'-tetrahydro-2,2'-thiophene-2,5-diylbismethylene-bis-benzothiazole is known for its potential applications in various fields, such as in the synthesis of dyes, pharmaceuticals, and materials science, due to its specific chemical properties and reactivity. The presence of sulfur atoms in the molecule contributes to its stability and unique electronic properties, making it a subject of interest for researchers in organic chemistry and materials science.
The CAS Registry Mumber 7025-40-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,2 and 5 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 7025-40: (6*7)+(5*0)+(4*2)+(3*5)+(2*4)+(1*0)=73 73 % 10 = 3 So 7025-40-3 is a valid CAS Registry Number.