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5-acetyl-4-pentyl-6-phenyl-2H-pyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1138339-91-9

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1138339-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1138339-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,3,3 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1138339-91:
(9*1)+(8*1)+(7*3)+(6*8)+(5*3)+(4*3)+(3*9)+(2*9)+(1*1)=159
159 % 10 = 9
So 1138339-91-9 is a valid CAS Registry Number.

1138339-91-9Downstream Products

1138339-91-9Relevant academic research and scientific papers

Hydroalkylation leading to heterocyclic compounds. Part 1: New strategies for the synthesis of polysubstituted 2H-pyran-2-ones

Liu, Wei-Bing,Jiang, Huan-Feng,Qiao, Chun-Li

, p. 2110 - 2115 (2009)

Polysubstituted 2H-pyran-2-ones and 5,6-dihydro-2H-pyran-2-ones were synthesized via the MCRs initiated by the hydroalkylation of alkynoates with activated methylenes. Under the optimized reaction conditions, the desired products were obtained in 47-88% i

Synthesis of polysubstituted α-pyrones using zinc-catalyzed addition-cyclization reactions

Liu, Wei-Bing,Chen, Cui,Zhang, Qing,Zhu, Zhi-Bo

, p. 1541 - 1544 (2015/04/27)

Various polysubstituted α-pyrone derivatives have been directly synthesized via a hydroalkylation of Michael additional reaction following a cyclized process catalyzed by the Lewis acid of Zn(OAc)2. This protocol provides a new convenient and s

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