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33028-97-6

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33028-97-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33028-97-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,0,2 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33028-97:
(7*3)+(6*3)+(5*0)+(4*2)+(3*8)+(2*9)+(1*7)=96
96 % 10 = 6
So 33028-97-6 is a valid CAS Registry Number.

33028-97-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (S)-fenoprofen

1.2 Other means of identification

Product number -
Other names (S)-2-(3-phenoxyphenyl)propanoic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:33028-97-6 SDS

33028-97-6Downstream Products

33028-97-6Relevant articles and documents

Reshaping the active pocket of esterase Est816 for resolution of economically important racemates

Fan, Xinjiong,Fu, Yao,Liu, Xiaolong,Zhao, Meng

, p. 6126 - 6133 (2021/09/28)

Bacterial esterases are potential biocatalysts for the production of optically pure compounds. However, the substrate promiscuity and chiral selectivity of esterases usually have a negative correlation, which limits their commercial value. Herein, an efficient and versatile esterase (Est816) was identified as a promising catalyst for the hydrolysis of a wide range of economically important substrates with low enantioselectivity. We rationally designed several variants with up to 11-fold increased catalytic efficiency towards ethyl 2-arylpropionates, mostly retaining the initial substrate scope and enantioselectivity. These variants provided a dramatic increase in efficiency for biocatalytic applications. Based on the best variant Est816-M1, several variants with higher or inverted enantioselectivity were designed through careful analysis of the structural information and molecular docking. Two stereoselectively complementary mutants, Est816-M3 and Est816-M4, successfully overcame and even reversed the low enantioselectivity, and several 2-arylpropionic acid derivatives with highEvalues were obtained. Our results offer potential industrial biocatalysts for the preparation of structurally diverse chiral carboxylic acids and further lay the foundation for improving the catalytic efficiency and enantioselectivity of esterases.

Alpha-alkylphenylacetic acid compound with high optical activity as well as preparation method and application thereof

-

Paragraph 0060-0063, (2020/09/16)

The invention discloses an alpha-alkylphenylacetic acid compound with high optical activity as well as a preparation method and application of the alpha-alkylphenylacetic acid compound. The preparation method comprises the following steps: mixing an aryl alkyl substituted malonic acid monoester substrate and a sulfonamide organic catalyst derived from chiral cyclohexylenediamine according to a molar ratio of 1: (0.01-0.30) in an organic solvent, and reacting for 2-48 hours at the temperature of 20-50 DEG C to obtain the alpha-alkylphenylacetic acid compound. The alpha-alkylphenylacetic acid compound can be used for preparing non-steroidal anti-inflammatory drugs, analgesics and central nervous excitants. The preparation method has the advantages of simple operation, mild conditions, almostno by-product, easily available catalyst and high enantioselectivity, and the reaction product can be used for synthesizing medical intermediates with important biological activity through simple conversion.

Iron-catalysed enantioselective Suzuki-Miyaura coupling of racemic alkyl bromides

Iwamoto, Takahiro,Okuzono, Chiemi,Adak, Laksmikanta,Jin, Masayoshi,Nakamura, Masaharu

supporting information, p. 1128 - 1131 (2019/01/28)

The first iron-catalysed enantioselective Suzuki-Miyaura coupling reaction has been developed. In the presence of catalytic amounts of FeCl2 and (R,R)-QuinoxP?, lithium arylborates are cross-coupled with tert-butyl α-bromopropionate in an enantioconvergent manner, enabling facile access to various optically active α-arylpropionic acids including several nonsteroidal anti-inflammatory drugs (NSAIDs) of commercial importance. (R,R)-QuinoxP? is specifically able to induce chirality when compared to analogous P-chiral ligands that give racemic products, highlighting the critical importance of transmetalation in the present asymmetric cross-coupling system.

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