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1-Benzoyl-4-hydroxy-2-oxo-5-[3-phenyl-prop-2-yn-(E)-ylidene]-2,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75990-08-8

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75990-08-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75990-08-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,9 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75990-08:
(7*7)+(6*5)+(5*9)+(4*9)+(3*0)+(2*0)+(1*8)=168
168 % 10 = 8
So 75990-08-8 is a valid CAS Registry Number.

75990-08-8Relevant academic research and scientific papers

Die Umsetzung von Azlactonen mit CH-aciden Verbindungen. 2. Mitteil. (1)

Stachel, Hans-Dietrich,Harigel, K. Klaus,Poschenrieder, Hermann,Burghard, Hans

, p. 1195 - 1199 (2007/10/02)

Alkyl cyanoacetate, malonate, acetoacetate and methylsulfonyl acetic acid ethyl ester are acylated by alkylidenazlactones.The acyl compounds easily form alkylidenetetramic acids by condensation.The acylcyanoacetates 2 isomerize into aminopyrrolines 3 via acid catalysis.

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