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(1R*,3S*,4S*)-3,4-dibromocyclohexanecarboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98333-81-4

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98333-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98333-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,3 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98333-81:
(7*9)+(6*8)+(5*3)+(4*3)+(3*3)+(2*8)+(1*1)=164
164 % 10 = 4
So 98333-81-4 is a valid CAS Registry Number.

98333-81-4Relevant academic research and scientific papers

A Highly Efficient Method for the Bromination of Alkenes, Alkynes and Ketones Using Dimethyl Sulfoxide and Oxalyl Bromide

Ding, Rui,Li, Jiaqi,Jiao, Wenyi,Han, Mengru,Liu, Yongguo,Tian, Hongyu,Sun, Baoguo

, p. 4325 - 4335 (2018/11/21)

The pairing of DMSO and oxalyl bromide is reported as a highly efficient brominating reagent for various alkenes, alkynes and ketones. This bromination approach demonstrates remarkable advantages, such as mild conditions, low cost, short reaction times, provides excellent yields in most cases and represents a very attractive alternative for the preparation of dibromides and α-bromoketones.

Bromination of olefins with HBr and DMSO

Karki, Megha,Magolan, Jakob

, p. 3701 - 3707 (2015/04/22)

A simple and inexpensive methodology is reported for the conversion of alkenes to 1,2-dibromo alkanes via oxidative bromination using HBr paired with dimethyl sulfoxide, which serves as the oxidant as well as cosolvent. The substrate scope includes 21 olefins brominated in good to excellent yields. Three of six styrene derivatives yielded bromohydrins under the reaction conditions.

Stereoisomers of 4-amino-3-hydroxy-1-cyclohexanecarboxylic acid and 4-amino-3-oxo-1-cyclohexanecarboxylic acid as mimetics of a twisted cis-amide bond

Krajewski, Krzysztof,Ciunik, Zbigniew,Siemion, Ignacy Z.

, p. 455 - 462 (2007/10/03)

Stereoselective synthesis of the title compounds was performed. The relative configuration of methyl t-4-(tert-butoxycarbonylamino)-c-3-hydroxy-r-1-cyclohexanecarboxylate and methyl trans-4-(tert-butoxycarbonylamino)-3-oxo-r-1-cyclohexanecarboxylate was c

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