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(R,E)-2-amino-8-(4-methoxyphenyl)-6-methyl-4-(3-nitrobenzylidene)-5,6,7,8-tetrahydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1289514-99-3

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1289514-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289514-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,5,1 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1289514-99:
(9*1)+(8*2)+(7*8)+(6*9)+(5*5)+(4*1)+(3*4)+(2*9)+(1*9)=203
203 % 10 = 3
So 1289514-99-3 is a valid CAS Registry Number.

1289514-99-3Upstream product

1289514-99-3Downstream Products

1289514-99-3Relevant academic research and scientific papers

Organocatalytic conjugate addition of malononitrile to conformationally restricted dienones

Hu, Zhi-Peng,Lou, Chun-Liang,Wang, Jin-Jia,Chen, Chun-Xia,Yan, Ming

experimental part, p. 3797 - 3804 (2011/07/08)

Organocatalytic conjugate addition of malononitrile to conformationally restricted dienones has been studied. A series of chiral primary and tertiary amine catalysts were screened. A piperidine-based thiourea-tertiary amine was found to be the efficient c

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