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Dimethyl-[5-(toluene-4-sulfonyl)-benzo[a]phenoxazin-9-ylidene]-ammonium chloride is a complex organic compound with the chemical formula C23H20ClN2O3S. It is a derivative of benzo[a]phenoxazine, a heterocyclic aromatic compound, with a toluene-4-sulfonyl group attached at the 5-position and a dimethylammonium group at the 9-position. The compound is characterized by its unique structure, which includes a phenoxazine ring fused to a benzene ring, and a sulfonyl group that provides additional functional groups for potential chemical reactions. dimethyl-[5-(toluene-4-sulfonyl)-benzo[a]phenoxazin-9-ylidene]-ammonium; chloride may be of interest in the field of organic chemistry, particularly for its potential applications in the synthesis of pharmaceuticals, dyes, or other specialty chemicals.

3557-34-4

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3557-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3557-34-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,5 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3557-34:
(6*3)+(5*5)+(4*5)+(3*7)+(2*3)+(1*4)=94
94 % 10 = 4
So 3557-34-4 is a valid CAS Registry Number.

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