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5-Phenyl-3-hydroxy-3(4)-butenolid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19252-20-1

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19252-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19252-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,5 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19252-20:
(7*1)+(6*9)+(5*2)+(4*5)+(3*2)+(2*2)+(1*0)=101
101 % 10 = 1
So 19252-20-1 is a valid CAS Registry Number.

19252-20-1Downstream Products

19252-20-1Relevant academic research and scientific papers

Pyruvic Acid Dimethylhydrazone. A Synthetic Equivalent of the Pyruvic Acid Dianion

Tapia, Ines,Alcazar, Victoria,Moran, Joaquin R.,Caballero, Cruz,Grande, Manuel

, p. 697 - 700 (2007/10/02)

The pyruvic acid dimethyl hydrazone can be easily prepared in ether.This compound, after deprotonation with alkyllithium, forms a strong nucleophile which on tratment with electrophiles and acidic work up yield α-ketoacids, α-hydroxybutenolides or α,γ-diketoacids.

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