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4H-1,4-Benzothiazine is a heterocyclic organic compound with the molecular formula C7H7NS. It features a benzene ring fused to a thiazine ring, which consists of a sulfur atom and two nitrogen atoms. 4H-1,4-benzothiazine is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals due to its unique chemical structure. It can be used as an intermediate in the production of compounds with biological activity, such as antibiotics and antifungal agents. The chemical properties of 4H-1,4-benzothiazine make it a versatile building block in organic synthesis, allowing for the creation of a wide range of derivatives with different functional groups.

255-16-3

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255-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 255-16-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,5 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 255-16:
(5*2)+(4*5)+(3*5)+(2*1)+(1*6)=53
53 % 10 = 3
So 255-16-3 is a valid CAS Registry Number.

255-16-3Downstream Products

255-16-3Relevant academic research and scientific papers

A TPD-MS study of the interaction of coumarins and their heterocyclic derivatives with a surface of fumed silica and nanosized oxides CeO 2/SiO2, TiO2/SiO2, Al 2O3/SiO2

Kulyk, Kostiantyn,Ishchenko, Valentyna,Palyanytsya, Borys,Khylya, Volodymyr,Borysenko, Mykola,Kulyk, Tetiana

, p. 750 - 761 (2010)

The interactions between coumarins and the surface of fumed SiO 2, CeO2/SiO2, TiO2/SiO2 and Al2O3/SiO2 were assessed by means of temperature-programed desorption mass spectrometry. The different stages of the thermolysis of coumarin were identified and an analysis of the underlying reactions was performed. The kinetic parameters of the involved reactions were thus obtained. The decomposition of thiazolyl-substituted coumarins was found to proceed through a 'thiazole-thiazine' ring expansion in the adsorbed state. A linear correlation between the sigma constants (Σσ) of the coumarin substituents and the activation energy of CO2 formation was obtained. Copyright

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