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28177-50-6

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28177-50-6 Usage

General Description

2-Fluoro-6-iodophenol is a chemical compound that is 98% pure and is commonly used in the pharmaceutical and chemical industries. It is a white to light yellow crystalline substance that is known for its strong odor. 2-Fluoro-6-iodophenol is used in the synthesis of various pharmaceuticals, agrochemicals, and dyes. It is also used as a reagent in organic synthesis and as a building block for more complex chemical compounds. This chemical is known for its high purity and is often used in research and development applications where precise and accurate results are required.

Check Digit Verification of cas no

The CAS Registry Mumber 28177-50-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,7 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28177-50:
(7*2)+(6*8)+(5*1)+(4*7)+(3*7)+(2*5)+(1*0)=126
126 % 10 = 6
So 28177-50-6 is a valid CAS Registry Number.
InChI:InChI=1/C6H4FIO/c7-4-2-1-3-5(8)6(4)9/h1-3,9H

28177-50-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-fluoro-6-iodophenol

1.2 Other means of identification

Product number -
Other names Phenol,2-fluoro-6-iodo

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:28177-50-6 SDS

28177-50-6Relevant articles and documents

PROCESS FOR PRODUCING 1,2-DIALKOXY-3-FLUOROBENZENE

-

Page/Page column 7-8, (2009/06/27)

The present invention relates to a process for producing a 2-fluoro-6-halophenol as an intermediate; a process for producing a 2-alkoxy-3-fluorophenol and further a 1,2-dialkoxy-3-fluorobenzene from the 2-fluoro-6-halophenol; a second process for producing a 1,2-dialkoxy-3-fluorobenzene from the 2-fluoro-6-halophenol; and a 2-alkoxy-3-fluorophenol. The 2-fluoro-6-halophenol can be obtained using a 2-fluorophenol as a starting material and through a sulfonation reaction, a halogenation reaction, and a deprotection reaction. The 2-fluoro-6-halophenol is alkyl-etherified, and subsequently the halogen atom is converted into a hydroxyl group to obtain the 2-alkoxy-3-fluorophenol, which is further alkyl-etherified to thereby obtain the 1,2-dialkoxy-3-fluorobenzene. Alternatively, a 1,2-dialkoxy-3-fluorobenzene is also obtained by converting the halogen atom of the 2-fluoro-6-halophenol into a hydroxyl group to thereby form 3-fluorocatechol and subsequently alkyl-etherifying two hydroxyl groups thereof. The processes of the invention realize low production costs and high process yields, and thus are suitable for industrial production of a 1,2-dialkoxy-3-fluorobenzene.

Halogen-lithium exchange between substituted dihalobenzenes and butyllithium: Application to the regioselective synthesis of functionalized bromobenzaldehydes

Da?browski, Marek,Kubicka, Joanna,Luliński, Sergiusz,Serwatowski, Janusz

, p. 6590 - 6595 (2007/10/03)

Halogen-lithium interconversion reactions between unsymmetrically substituted mono- and bifunctional dihalobenzenes C6H 3XHal2 and C6H2XYHal2 (Hal=Br, I; X, Y=F, OR, CF3, CH(OMe)2) and butyllithium were investigated. The resultant organolithium intermediates were converted into the corresponding benzaldehydes in moderate to good yields. As a rule, bromine atoms in the position ortho to the functional group were replaced preferentially with lithium. Intramolecular competition experiments with bifunctional systems revealed that fluorine is capable of activating the neighboring bromine atom more strongly than methoxy and dimethoxymethyl groups. On the replacement of the non-activated bromine with iodine a complete reversal of this reactivity pattern can be accomplished due to the preferred iodine-lithium exchange.

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