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5-(4-Methoxycarbonyl-phenylamino)-4-nitro-thiophene-2-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78399-18-5

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78399-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78399-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,9 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78399-18:
(7*7)+(6*8)+(5*3)+(4*9)+(3*9)+(2*1)+(1*8)=185
185 % 10 = 5
So 78399-18-5 is a valid CAS Registry Number.

78399-18-5Downstream Products

78399-18-5Relevant academic research and scientific papers

Linear Free Energy Relationships in the Thiophen Series. Part 2. The Kinetics of the Reactions of Some 2-Bromo-3-nitro-5-X-thiophens with Substituted Anilines in Methanol

Consiglio, Giovanni,Arnone, Caterina,Spinelli, Domenico,Noto, Renato,Frenna, Vincenzo

, p. 388 - 392 (2007/10/02)

The rate constants for the reactions of 2-bromo-3-nitro-5-X-thiophens (X=H, Br, CONH2, CO2Me, Ac, SO2Me, CN, or NO2) with some substituted anilines YC6H4NH2 (Y=p-OMe, p-Me, H, m-Cl, or p-CO2Me) have been measured in methanol at various temperatures.The se

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