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4-Ethyl-5-<(Z)-5-methoxy-4-methoxycarbonyl-3-methylpyrrol-2-ylidenmethyl>-3-methyl-1H-pyrrol-2-carbonsaeure-benzylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128732-06-9

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128732-06-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128732-06-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,3 and 2 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128732-06:
(8*1)+(7*2)+(6*8)+(5*7)+(4*3)+(3*2)+(2*0)+(1*6)=129
129 % 10 = 9
So 128732-06-9 is a valid CAS Registry Number.

128732-06-9Downstream Products

128732-06-9Relevant academic research and scientific papers

Preparation of 2-Methoxy-Substituted Pyrroles by Aza-Wittig Reactions

Montforts, Franz-Peter,Schwartz, Ulrich Manfred,Maib, Piotr,Mai, Gerhard

, p. 1037 - 1043 (2007/10/02)

α-Halo ketones and dimethyl malonate can be transformed by Knoevenagel condensation and nucleophile displacement of halogen with sodium azide into the azide esters 10.These azides undergo ring closure to 2-methoxy-substituted pyrroles 11 by intramolecular

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