11-hydroxy-5,5-dioxo-6,11-dihydrodibenzo[b,e]thiepin is a complex organic chemical compound with the molecular formula C14H9O3S2. It is a derivative of dibenzo[b,e]thiepin, which is a fused-ring system consisting of a benzene ring and a thiophene ring. The compound features a hydroxyl group at the 11th position, two oxygen atoms in the form of a carbonyl group at the 5th position, and a six-membered dihydro ring system. This chemical is known for its potential applications in the synthesis of pharmaceuticals and other organic compounds, particularly those with sulfur-containing structures. Its unique structure and reactivity make it an interesting target for chemical research and development.
The CAS Registry Mumber 5251-28-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,5 and 1 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 5251-28: (6*5)+(5*2)+(4*5)+(3*1)+(2*2)+(1*8)=75 75 % 10 = 5 So 5251-28-5 is a valid CAS Registry Number.