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3-(3-Pyridinyl)-1,5a,6,7,8,9-hexahydropyrano[4,3-b][1]benzopyran-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

194796-92-4

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194796-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194796-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,7,9 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 194796-92:
(8*1)+(7*9)+(6*4)+(5*7)+(4*9)+(3*6)+(2*9)+(1*2)=204
204 % 10 = 4
So 194796-92-4 is a valid CAS Registry Number.

194796-92-4Downstream Products

194796-92-4Relevant academic research and scientific papers

A One-Pot Condensation of Pyrones and Enals. Synthesis of 1H,7H-5a,6,8,9-Tetrahydro-1-oxopyrano[4,3-6][1]benzopyrans

Hua, Duy H.,Chen, Yi,Sin, Hong-Sig,Maroto, Maria J.,Robinson, Paul D.,Newell, Steven W.,Perchellet, Elisabeth M.,Ladesich, James B.,Freeman, Jonathan A.,Perchellet, Jean-Pierre,Chiang, Peter K.

, p. 6888 - 6896 (2007/10/03)

Condensation of various 6-substituted 4-hydroxypyrones 1 with 1-cyclohexenecarboxaldehydes in the presence of L-proline in ethyl acetate gave high yields of substituted 1H,7H-5a,6,8,9-tetrahydro-1-oxopyrano[4,3-6][1]benzopyrans. The reaction presumably oc

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