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5-(4-nitro-benzenesulfonyl)-benzo[a]phenoxazin-9-one is a complex organic chemical compound with the molecular formula C20H11N3O7S. It is a derivative of benzo[a]phenoxazine, a heterocyclic aromatic compound, and features a nitro-benzenesulfonyl group attached to the 5-position. 5-(4-nitro-benzenesulfonyl)-benzo[a]phenoxazin-9-one is characterized by its yellow crystalline appearance and is soluble in common organic solvents. It is synthesized through a series of chemical reactions involving benzo[a]phenoxazine and 4-nitro-benzenesulfonyl chloride. Due to its complex structure, it has potential applications in the field of organic chemistry, particularly in the synthesis of dyes, pharmaceuticals, and other specialty chemicals. However, it is important to note that the compound may have hazardous properties and should be handled with care, following proper safety protocols.

987-61-1

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987-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 987-61-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,8 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 987-61:
(5*9)+(4*8)+(3*7)+(2*6)+(1*1)=111
111 % 10 = 1
So 987-61-1 is a valid CAS Registry Number.
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