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21900-34-5

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21900-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21900-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,0 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21900-34:
(7*2)+(6*1)+(5*9)+(4*0)+(3*0)+(2*3)+(1*4)=75
75 % 10 = 5
So 21900-34-5 is a valid CAS Registry Number.

21900-34-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-Bromo-4-chlorobenzoyl chloride

1.2 Other means of identification

Product number -
Other names 3-Brom-4-chlor-benzoylchlorid

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:21900-34-5 SDS

21900-34-5Relevant articles and documents

BENZAZOLE DERIVATIVE HAVING HETEROARYL GROUP AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

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Paragraph 0092-0093, (2020/01/24)

Disclosed is a benzazole derivative having a heteroaryl group, wherein the benzazole derivative having the heteroaryl group is represented by Chemical Formula 1. Also disclosed is an organic electroluminescence device including an organic layer containing

COMPOUNDS FOR TREATMENT OF IMMUNE AND INFLAMMATORY DISORDERS

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Paragraph 0758, (2017/03/14)

Compounds, methods of use, and processes for making inhibitors of complement Factor D are provided comprising Formula I, I" and I'" or a pharmaceutically acceptable salt or composition thereof. The inhibitors described herein target Factor D and inhibit or regulate the complement cascade. The inhibitors of Factor D described herein reduces the excessive activation of complement.

Dual Pharmacophores - PDE4-Muscarinic Antagonistics

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Page/Page column 73, (2009/08/16)

The present invention is directed to novel compounds of Formula (I), pharmaceutical compositions and their use in therapy, for example as inhibitors of phosphodiesterase type IV (PDE4) and as antagonists of muscarinic acetylcholine receptors (mAChRs), in the treatment of/and or prophylaxis of respiratory diseases, including antiinflammatory and/or allergic diseases such as chronic obstructive pulmonary disease (COPD), asthma, rhinitis (e.g. allergic rhinitis), atopic dermatitis or psoriasis.

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