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1289514-39-1

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1289514-39-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289514-39-1 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, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1289514-39:
(9*1)+(8*2)+(7*8)+(6*9)+(5*5)+(4*1)+(3*4)+(2*3)+(1*9)=191
191 % 10 = 1
So 1289514-39-1 is a valid CAS Registry Number.

1289514-39-1Downstream Products

1289514-39-1Relevant articles and documents

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

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