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11-methyl-5-(4-nitro-benzenesulfonyl)-12H-benzo[a]phenoxazin-9-ol is a complex organic compound characterized by a benzo[a]phenoxazine core structure. This molecule features a methyl group at the 11th position, a 4-nitro-benzenesulfonyl group attached at the 5th position, and a hydroxyl group at the 9th position. The compound's structure is further defined by a 12H-benzo[a]phenoxazine ring system, indicating the presence of a six-membered aromatic ring fused to a five-membered nitrogen-containing ring. This chemical is likely to be found in specialized applications due to its intricate structure, potentially in the field of pharmaceuticals, chemical research, or as an intermediate in the synthesis of other complex molecules.

809-64-3

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809-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 809-64-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 809-64:
(5*8)+(4*0)+(3*9)+(2*6)+(1*4)=83
83 % 10 = 3
So 809-64-3 is a valid CAS Registry Number.
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