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5-isobutyl-3-phenyl-1H-pyrazole-4-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1092970-80-3

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1092970-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1092970-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,2,9,7 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1092970-80:
(9*1)+(8*0)+(7*9)+(6*2)+(5*9)+(4*7)+(3*0)+(2*8)+(1*0)=173
173 % 10 = 3
So 1092970-80-3 is a valid CAS Registry Number.

1092970-80-3Downstream Products

1092970-80-3Relevant academic research and scientific papers

The first chemoselective tandem acylation of the Blaise reaction intermediate: A novel method for the synthesis of α-acyl-β-enamino esters, key intermediate for pyrazoles

Sung Chun, Yu,Kon Lee, Ki,Ok Ko, Young,Shin, Hyunik,Lee, Sang-Gi

supporting information; experimental part, p. 5098 - 5100 (2009/03/11)

The Blaise reaction intermediate, a zinc bromide complex of β-enamino ester, could be activated in situ by addition of a stoichiometric or catalytic amount of n-BuLi to allow chemoselective tandem C2-acylation providing α-acyl-β-enamino esters, which are

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