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4-ethoxymethylene-2-phenyl-2-oxazolin-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57784-65-3

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57784-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57784-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,8 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57784-65:
(7*5)+(6*7)+(5*7)+(4*8)+(3*4)+(2*6)+(1*5)=173
173 % 10 = 3
So 57784-65-3 is a valid CAS Registry Number.

57784-65-3Relevant articles and documents

Investigation of the One-Pot Synthesis of N-(5,6,7,8-Tetrahydro-7,7-dimethyl-2,5-dioxo-2H-1-benzopyran-3-yl)benzamide

Kocevar, Marijan,Polanc, Slovenko,Vercek, Bojan,Tisler, Miha

, p. 501 - 503 (2007/10/02)

A detailed investigation of the reaction of hippuric acid (2) with dimedone (1) and triethyl orthoformate or other one-carbon sources in acetic anhydride yielding the benzopyran derivatives 3 and many byproducts is described.An explanation of this complex

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