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89978-72-3

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89978-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89978-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,7 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89978-72:
(7*8)+(6*9)+(5*9)+(4*7)+(3*8)+(2*7)+(1*2)=223
223 % 10 = 3
So 89978-72-3 is a valid CAS Registry Number.

89978-72-3SDS

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 2-Bromo-4-(bromomethyl)-1-methoxybenzene

1.2 Other means of identification

Product number -
Other names 4-(bromomethyl)-2-bromoanisole

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:89978-72-3 SDS

89978-72-3Relevant articles and documents

Homologation of Electron-Rich Benzyl Bromide Derivatives via Diazo C-C Bond Insertion

Alegre-Requena, Juan V.,De Lescure, Louis,Modak, Atanu,Paton, Robert S.,Race, Nicholas J.,Rynders, Kathryn J.

supporting information, (2021/12/27)

The ability to manipulate C-C bonds for selective chemical transformations is challenging and represents a growing area of research. Here, we report a formal insertion of diazo compounds into the "unactivated"C-C bond of benzyl bromide derivatives catalyzed by a simple Lewis acid. The homologation reaction proceeds via the intermediacy of a phenonium ion, and the products contain benzylic quaternary centers and an alkyl bromide amenable to further derivatization. Computational analysis provides critical insight into the reaction mechanism, in particular the key selectivity-determining step.

Pyrrolopyrazole derivatives and preparation method thereof, and application of pyrrolopyrazole derivatives in medicines

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Paragraph 0089-0090, (2021/03/13)

The invention relates to pyrrolopyrazole derivatives and a preparation method thereof, and application of the pyrrolopyrazole derivatives in medicines. Specifically, the invention relates to novel pyrrolopyrazole derivatives as shown in a general formula (I) in the specification, the preparation method of the pyrrolopyrazole derivatives and application of the pyrrolopyrazole derivatives or pharmaceutical compositions containing the pyrrolopyrazole derivatives as therapeutic agents, particularly as gastric acid secretion inhibitors and potassium ion competitive acid blockers P-CABs) in biological medicines. All the substituents (R1, R2, R3 and R4) and groups (X and Y) in the general formula (I) are as defined in the specification.

COMPOUNDS

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Page/Page column 88-89, (2020/01/24)

A compound of formula (I), or a pharmaceutically acceptable salt thereof.

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