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4-nitro-benzoic acid-(N-phenyl-hydrazide) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55685-55-7

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55685-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55685-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,8 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55685-55:
(7*5)+(6*5)+(5*6)+(4*8)+(3*5)+(2*5)+(1*5)=157
157 % 10 = 7
So 55685-55-7 is a valid CAS Registry Number.

55685-55-7Relevant academic research and scientific papers

PREPARATION OF HYDRAZIDES USING SILICON TETRACHLORIDE AS COUPLING AGENT

Kornet, Milton J.,Tita, Terence T.,Thio, Alan P.

, p. 1261 - 1274 (2007/10/02)

Silicon tetrachloride proved to be an effective reagent for the preparation of hydrazides from carboxylic acids.Yields were comparable to those obtained via N,N'-dicyclohexylcarbodiimide (DCC) and the procedure was used to synthesize some hydrazides which are difficult to obtain otherwise.

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