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5-Amino-3-anilino-1-(1-anilino-2-cyano-2-ethoxycarbonyl-ethenyl-azo)pyrazol-4-carbonsaeureethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81598-21-2

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81598-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81598-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,9 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81598-21:
(7*8)+(6*1)+(5*5)+(4*9)+(3*8)+(2*2)+(1*1)=152
152 % 10 = 2
So 81598-21-2 is a valid CAS Registry Number.

81598-21-2Relevant academic research and scientific papers

Radical Reactions of N-Heterocyclic Compounds. I. Synthesis and Structure of an N,N-Linked Bipyrazole

Schulz, Manfred,Moegel, Liena,Riediger, Werner,Nghiem-Xuan-Dung,Radeglia, Reiner

, p. 309 - 321 (2007/10/02)

5(3)-Amino-3(5)-(phenylamino)-pyrazole-4-carboxylic acid ethyl ester (1), which is a very good antioxidant, reacts under mild reaction conditions with dibenzoyl peroxide or with tert.-butoxy radicals under formation of a bipyrazole 4.Evidence of the struc

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