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(4R,8E)-2-amino-4-(4-fluorophenyl)-8-(4-fluorophenylmethylene)-5,6,7,8-tetrahydro-6-methyl-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.

1289514-49-3

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1289514-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289514-49-3 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, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1289514-49:
(9*1)+(8*2)+(7*8)+(6*9)+(5*5)+(4*1)+(3*4)+(2*4)+(1*9)=193
193 % 10 = 3
So 1289514-49-3 is a valid CAS Registry Number.

1289514-49-3Downstream Products

1289514-49-3Relevant academic research and scientific papers

Quinine-catalyzed enantioselective tandem conjugate addition / intramolecular cyclization of malononitrile and 1,4-dien-3-ones

Hu, Zhi-Peng,Li, Jian,Yin, Xiao-Gang,Zhang, Xue-Jing,Yan, Ming

, p. 1 - 13 (2013/04/10)

An organocatalytic tandem conjugate addition / intramolecular cyclization of malononitrile and conformationally restricted 1,4-dien-3-ones has been developed. A series of cinchona alkaloids and their derivatives were examined as the catalysts. Quinine was

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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