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Phosphonic acid, [2-(2-nitrophenyl)-2-oxoethyl]-, diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

49666-94-6

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49666-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49666-94-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,6,6 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 49666-94:
(7*4)+(6*9)+(5*6)+(4*6)+(3*6)+(2*9)+(1*4)=176
176 % 10 = 6
So 49666-94-6 is a valid CAS Registry Number.

49666-94-6Downstream Products

49666-94-6Relevant academic research and scientific papers

On a safe and practical method for the preparation of β-keto phosphonates

Corbel, Bernard,L'Hostis-Kervella, Isabelle,Haelters, Jean-Pierre

, p. 2561 - 2568 (1996)

Acylations of the magnesium enolate derivatives of trimethyl and triethylphosphonoacetates, using a magnesium chloride-triethylamine system, lead to 2-acetylphosphonoacetates which are decarbalkoxylated to give β-keto phosphonates.

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