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625111-97-9

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625111-97-9 Usage

Compound group

imidazolidinediones

Structure

five-membered ring with four carbon atoms, one nitrogen atom, and two oxygen atoms

Derivative

2,4-imidazolidinedione

Configuration

(5R)-configuration

Usage

chemical and pharmaceutical research, potential applications in various fields

Check Digit Verification of cas no

The CAS Registry Mumber 625111-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,5,1,1 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 625111-97:
(8*6)+(7*2)+(6*5)+(5*1)+(4*1)+(3*1)+(2*9)+(1*7)=129
129 % 10 = 9
So 625111-97-9 is a valid CAS Registry Number.

625111-97-9Downstream Products

625111-97-9Relevant articles and documents

Preparation method of racemic ketoisoleucine calcium and intermediate thereof

-

Paragraph 0030; 0032; 0034; 0036; 0038; 0040, (2021/12/07)

The invention relates to a preparation method of racemic ketoisoleucine calcium and an intermediate thereof, the method comprises the following steps: reacting hydantoin and butanone in ammonia water to obtain sec-butyl hydantoin, adding strong base for reaction, and obtaining racemic ketoisoleucine salt with high yield and high purity without complex post-treatment steps. Calcium racemization ketoisoleucine can be prepared by using the calcium racemization ketoisoleucine salt prepared by the method, high-yield and high-purity calcium racemization ketoisoleucine can be obtained, the reaction solvent can be recycled and reused, the method is green and environment-friendly, and the problem of pollution to the environment is solved.

Dibutylphosphate (DBP) mediated synthesis of cyclic N,N′- disubstituted urea derivatives from amino esters: A comparative study

Agrawal, Sumit K.,Sathe, Manisha,Kaushik, M. P.,Halve, A. K.

, p. 5996 - 5999,4 (2020/08/20)

The N,N′-disubstituted urea derivatives such as amino acid hydantoins and dihydrouracil derivatives were prepared starting from natural and unnatural amino acid esters using dibutylphosphate (DBP). During the attempted synthesis of N-heterocycles with larger than six-membered rings containing the N,N′-disubstituted urea functionalities, three unexpected products namely squamolone, N-methyl pyrrolidine-2-one, and diketopiperazine were isolated.

Preparation of α-aminothioamides from aldehydes

Paventi, Martino,Edward, John T.

, p. 282 - 289 (2007/10/02)

The conversion of aldehydes into α-aminonitriles and thence into imidazolidin-4-thiones has been studied.Hydrolysis of the appropriate imidazolidin-4-thiones gave thioamides of nine naturally occuring α-amino acids.The possible pre-biotic significance of these compounds is discussed.

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