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209971-44-8

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209971-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209971-44-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,9,7 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 209971-44:
(8*2)+(7*0)+(6*9)+(5*9)+(4*7)+(3*1)+(2*4)+(1*4)=158
158 % 10 = 8
So 209971-44-8 is a valid CAS Registry Number.

209971-44-8SDS

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 methyl 6-[(4-methylphenyl)sulfonylamino]pyridine-3-carboxylate

1.2 Other means of identification

Product number -
Other names Methyl 6-{[(4-methylphenyl)sulfonyl]imino}-3(1H)-pyridinecarboxylate

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:209971-44-8 SDS

209971-44-8Relevant articles and documents

Copper-mediated n-heteroarylation of primary sulfonamides: Synthesis of mono-n-heteroaryl sulfonamides

Baffoe, Jonathan,Hoe, Madelene Y.,Barry Tou Re

supporting information; experimental part, p. 1532 - 1535 (2010/06/19)

"Figure Presented" We describe the coupling of primary sulfonamides and various halogenated heterocyclic cores, with an emphasis on 2-heteroaryl halides, via copper catalysis. These studies enabled the synthesis of many new mono-N-heteroaryl sulfonamides.

Chemoselective arylsulfenylation of 2-aminoimidazo[1,2-α]pyridines by phenyliodine(III) bis(trifiuoroacetate) (PIFA)

Hamdouchi, Chafiq,Sanchez, Concha,Ezquerra, Jesus

, p. 867 - 872 (2007/10/03)

A series of 2-(trifluoroacetamido)imidazo[1,2-a]pyridines was prepared and treated with phenyliodine(III) bis(trifluoroacetate) (PIFA) in the presence of a variety of thiols leading chemoselectively to the corresponding 3-sulfides. Exposure of these adducts to silica gel in MeOH/CH2Cl2 provides a convenient method for the cleavage of the trifluoroacetamide group.

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