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128062-25-9

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128062-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128062-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,6 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128062-25:
(8*1)+(7*2)+(6*8)+(5*0)+(4*6)+(3*2)+(2*2)+(1*5)=109
109 % 10 = 9
So 128062-25-9 is a valid CAS Registry Number.

128062-25-9Downstream Products

128062-25-9Relevant articles and documents

An efficient one-pot synthesis of hippuric acid ethyl ester derivatives

Conway, Samuel C.,Perni, Robert B.

, p. 1539 - 1545 (1998)

A rapid, one-pot procedure is described for the preparation of the ethyl esters of a number of ring-substituted N-benzoyl glycine (hippuric acid) derivatives from readily-available starling materials.

Microwave-Assisted Ruthenium-Catalysed ortho-C?H Functionalization of N-Benzoyl α-Amino Ester Derivatives

Sharma, Nandini,Bahadur, Vijay,Sharma, Upendra K.,Saha, Debasmita,Li, Zhenghua,Kumar, Yogesh,Colaers, Jona,Singh, Brajendra K,Van der Eycken, Erik V.

supporting information, p. 3083 - 3089 (2018/08/24)

A microwave-assisted highly efficient intermolecular C?H functionalization sequence has been developed to access substituted isoquinolones using α-amino acid esters as a directing group. This methodology enables a wide range of N-benzoyl α-amino ester derivatives to react via a Ru-catalysed C?H bond activation sequence, to form isoquinolones with moderate to excellent yields. As an additional advantage, our strategy proved to be widely applicable and also enabled the reaction of alkenes to provide access to alkenylated benzamides. The methodology was also extended towards the synthesis of isoquinoline alkaloids derivatives viz. oxyavicine and a dipeptide. The developed protocol is simple and cheap, avoids tedious workup procedures and works efficiently under MW irradiation. (Figure presented.).

Substituents effect on the erlenmeyer-ploechl reaction: Understanding an observed process reaction time

Chavez, Flavio,Kennedy, Nicole,Rawalpally, Thimma,Williamson, R. Thomas,Cleary, Thomas

experimental part, p. 579 - 584 (2011/07/08)

A systematic study on hippuric acid substituents was performed in order to better understand the influence of stereoelectronic factors on the Erlenmeyer reaction rate. In addition, two reaction systems were evaluated: Huenig's base solvent free conditions and catalytic sodium acetate in 2-methyl-THF. The effect on reaction rate of electron withdrawing and electron donating groups are reported. Specifically, the study led to the conclusion that stereoelectronic factors have significant influence in one of our key Erlenmeyer reaction by affecting its reaction rate.

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