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1-Benzoyl-5-benzyliden-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18133-05-6

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18133-05-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18133-05-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,3 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18133-05:
(7*1)+(6*8)+(5*1)+(4*3)+(3*3)+(2*0)+(1*5)=86
86 % 10 = 6
So 18133-05-6 is a valid CAS Registry Number.

18133-05-6Relevant 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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