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90221-50-4

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90221-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90221-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,2 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90221-50:
(7*9)+(6*0)+(5*2)+(4*2)+(3*1)+(2*5)+(1*0)=94
94 % 10 = 4
So 90221-50-4 is a valid CAS Registry Number.

90221-50-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name N-(2-Bromo-5-nitrophenyl)acetamide

1.2 Other means of identification

Product number -
Other names 2-Brom-5-nitro-acetanilid

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:90221-50-4 SDS

90221-50-4Relevant articles and documents

Synthesis of dibenzothiophene, dibenzofuran and carbazole donor-acceptor chromophores

Jepsen, Tue Heesgaard,Larsen, Mogens,Jorgensen, Morten,Nielsen, Mogens Brondsted

, p. 1115 - 1120 (2013)

We present efficient synthetic protocols for functionalizing dibenzothiophene, dibenzofuran, and carbazole with hydroxy and nitro or cyano groups. The synthesis of these donor-acceptor chromophores is based on a key Suzuki-Miyaura coupling using an approp

Iridium-catalyzed intramolecular C–N and C–O/S cross-coupling reactions: Preparation of benzoazole derivatives

Shi, Yajie,Zhou, Qifan,Du, Fangyu,Fu, Yang,Du, Yang,Fang, Ting,Chen, Guoliang

supporting information, (2019/09/10)

The irdium-catalyzed intramolecular arylcarbon-hetero cross-coupling reactions with o-haloarylamides or o-haloarylamidine have been effectively achieved using KOAc and just 1 mol% catalyst. The [Ir(cod)Cl]2 was proved to be more potential for smoothly assembling functional structures benzimidazoles, benzoxazoles and benzothiazoles, which was superior to Cu- and Pd-catalyzed systems. Simultaneously, a concise and efficient synthesis of tafamidis was developed in 5-g scale.

Compositions for Treatment of Cystic Fibrosis and Other Chronic Diseases

-

Paragraph 0653, (2015/09/22)

The present invention relates to pharmaceutical compositions comprising an inhibitor of epithelial sodium channel activity in combination with at least one ABC Transporter modulator compound of Formula A, Formula B, Formula C, or Formula D. The invention also relates to pharmaceutical formulations thereof, and to methods of using such compositions in the treatment of CFTR mediated diseases, particularly cystic fibrosis using the pharmaceutical combination compositions.

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