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676998-10-0

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676998-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 676998-10-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,9,9 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 676998-10:
(8*6)+(7*7)+(6*6)+(5*9)+(4*9)+(3*8)+(2*1)+(1*0)=240
240 % 10 = 0
So 676998-10-0 is a valid CAS Registry Number.

676998-10-0Downstream Products

676998-10-0Relevant articles and documents

An Investigation of the Reaction of 2-Aminobenzaldehyde Derivatives with Conjugated Nitro-olefins: An Easy and Efficient Synthesis of 3-Nitro-1,2-dihydroquinolines and 3-Nitroquinolines

Yan, Ming-Chung,Tu, Zhijay,Lin, Chunchi,Ko, Shengkai,Hsu, Jianming,Yao, Ching-Fa

, p. 1565 - 1570 (2004)

2-Aryl-3-nitro-1,2-dihydroquinolines 3 were prepared from the reaction of β-nitrostyrenes 2 and 2-aminobenzaldehyde 1 in the presence of DABCO. Not only β-nitrostyrenes but other alkyl nitro olefins also can be used in this reaction as well. When DDQ or silica gel was added to a solution of 3-nitro-1,2-dihydroquinolines 3, 3-nitro-2-substituted-quinolines 4 were obtained. When 2-aminobenzaldehyde derivatives 7 and 12 were reacted with β-nitrostyrenes 2, unique rearrangement products were produced.

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