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5-(4-Nitrobenzoylamino)-1,2,3-thiadiazol-4-carbonsaeure-ethylester is a complex organic chemical compound with the molecular formula C11H8N4O5S. It is a derivative of 1,2,3-thiadiazole, a five-membered heterocyclic ring containing sulfur and nitrogen atoms. The compound features a 4-nitrobenzoyl group attached to the amino group of the thiadiazole ring, and an ethyl ester group at the 4-position of the thiadiazole. This chemical is primarily used in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and reactivity. It is important to handle 5-(4-Nitrobenzoylamino)-1,2,3-thiadiazol-4-carbonsaeure-ethylester with care, as it may have potential health and environmental hazards.

6671-48-3

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6671-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6671-48-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,7 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6671-48:
(6*6)+(5*6)+(4*7)+(3*1)+(2*4)+(1*8)=113
113 % 10 = 3
So 6671-48-3 is a valid CAS Registry Number.

6671-48-3Downstream Products

6671-48-3Relevant academic research and scientific papers

Investigations on Diazo Compounds and Azides, XXXV. - Acylation of Diazomethylphosphoryl and Diazomethylcarbonyl Compounds with Acyl Isocyanates and Isothiocyanates

Regitz, Manfred,Weber, Bernd,Heydt, Annemarie

, p. 305 - 323 (2007/10/02)

The aroyl isocyanates 7a-c react with the diazomethylphosphoryl compounds 8a-d with formation of the phosphorylated diazoacetamides 9a, b and d-j as well as 1,3-oxazolin-4-ones 10b-j.The reaction of chlorosulfonyl isocyanate (13) with 8a, c, e and f proce

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