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4-(3,5-Dinitro-thiophen-2-ylamino)-benzoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57738-61-1

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57738-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57738-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,3 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57738-61:
(7*5)+(6*7)+(5*7)+(4*3)+(3*8)+(2*6)+(1*1)=161
161 % 10 = 1
So 57738-61-1 is a valid CAS Registry Number.

57738-61-1Downstream Products

57738-61-1Relevant 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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