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177795-59-4

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177795-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177795-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,7,9 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 177795-59:
(8*1)+(7*7)+(6*7)+(5*7)+(4*9)+(3*5)+(2*5)+(1*9)=204
204 % 10 = 4
So 177795-59-4 is a valid CAS Registry Number.

177795-59-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name (S)-Rabeprazole

1.2 Other means of identification

Product number -
Other names 2-[(S)-[4-(3-methoxypropoxy)-3-methylpyridin-2-yl]methylsulfinyl]-1H-benzimidazole

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:177795-59-4 SDS

177795-59-4Relevant articles and documents

Method for preparing chiral sulfoxide drugs in water phase

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Paragraph 0056-0058, (2020/09/09)

The invention relates to the field of chiral drug preparation, in particular to a method for preparing chiral sulfoxide drugs in a water phase. The method for preparing the chiral sulfoxide drugs in the water phase comprises the following steps: using a hydrogen peroxide solution as oxidant, using a temperature-sensitive ferrocene chiral amino acid titanium complex as a catalyst and using prochiral thioether as a substrate in the pure water phase to perform an asymmetric oxidation reaction to synthesize the chiral sulfoxide drugs. The temperature-sensitive ferrocene chiral amino acid titaniumcomplex catalyst can be utilized to catalyze the asymmetric oxidation reaction of thioether in the pure water phase and has the characteristics of high catalytic efficiency and easy recovery of the catalyst.

Synthesis of Esomeprazole and Related Proton Pump Inhibitors through Iron-Catalyzed Enantioselective Sulfoxidation

Nishiguchi, Shigenobu,Izumi, Takuhiro,Kouno, Takayoshi,Sukegawa, Junpei,Ilies, Laurean,Nakamura, Eiichi

, p. 9738 - 9743 (2018/10/09)

We report here an application of iron catalysis for the kilogram scale asymmetric synthesis of a proton pump inhibitor, esomeprazole, in 87% yield and 99.4% ee by catalytic sulfoxidation with hydrogen peroxide using an iron salt/chiral Schiff base in combination with a carboxylate salt. Under similar reaction conditions, other proton pump inhibitors such as (S)-lansoprazole, (S)-rabeprazole, and (S)-pantoprazole, were also synthesized in high yield and ee. A carboxylate additive was crucial for the success of this reaction, and we consider that it coordinates to the active iron species, and it also acts as a hydrogen-bond acceptor to coordinate to the substrate through the imidazole NH.

INHIBITORS OF SARM1 NADase ACTIVITY AND USES THEREOF

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, (2018/04/20)

The present disclosure provides compounds useful as inhibitors of SARM1 NADase activity, compositions thereof, and methods of using the same. The present disclosure provides compounds useful for treating a neurodegenerative or neurological disease or disorder, compositions thereof, and methods of using the same.

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