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allyl 1-chloro-2-oxocyclohexanecarboxylate t-butoxycarbonylhydrazone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

121720-83-0

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121720-83-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121720-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,2 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121720-83:
(8*1)+(7*2)+(6*1)+(5*7)+(4*2)+(3*0)+(2*8)+(1*3)=90
90 % 10 = 0
So 121720-83-0 is a valid CAS Registry Number.

121720-83-0Relevant articles and documents

Intramolecular Cycloaddition of Azoalkenes Derived from Allylic β-Keto Esters

Gilchrist, Thomas L.,Romero, Oscar A. Sanchez,Wasson, Robert C.

, p. 353 - 359 (2007/10/02)

The 2,4-dinitrophenylhydrazone (2a) of allyl 2-chloroacetoacetate has been prepared and converted into the azoalkene (4a) by reaction with sodium carbonate.The azoalkene undergoes an intramolecular Diels-Alder reaction when heated under reflux in toluene

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