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C13H13ClN2O2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1425796-58-2

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1425796-58-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1425796-58-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,5,7,9 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1425796-58:
(9*1)+(8*4)+(7*2)+(6*5)+(5*7)+(4*9)+(3*6)+(2*5)+(1*8)=192
192 % 10 = 2
So 1425796-58-2 is a valid CAS Registry Number.

1425796-58-2Relevant academic research and scientific papers

Polyfunctional pyrazoles. 7. Ethyl 1-aryl-4-formylpyrazole-3-carboxylates in the synthesis of 2-aryl-2,4-dihydro-6H-thieno-[3,4-c]pyrazol-6-ones

Bratenko,Barus,Vovk

, p. 1545 - 1549 (2013/04/10)

A convenient method has been developed for the synthesis of 2,4-dihydro-6H-thieno[3,4-c]pyrazol-6-ones by means of an intramolecular cyclization of 4-sulfanylmethylpyrazole-3-carboxylic acids. The latter were prepared from ethyl 4-formylpyrazole-3-carboxylates via the intermediate 4-hydroxy-methyl-, 4-chloromethyl-, and 4-thioureidomethyl derivatives.

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