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4209-04-5

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4209-04-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4209-04-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4209-04:
(6*4)+(5*2)+(4*0)+(3*9)+(2*0)+(1*4)=65
65 % 10 = 5
So 4209-04-5 is a valid CAS Registry Number.
InChI:InChI=1/C8H6ClIO/c9-5-8(11)6-1-3-7(10)4-2-6/h1-4H,5H2

4209-04-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Chloro-1-(4-iodophenyl)ethanone

1.2 Other means of identification

Product number -
Other names p-Iodphenacylchlorid

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:4209-04-5 SDS

4209-04-5Relevant articles and documents

Facile and efficient preparation of α-halomethyl ketones from α-diazo ketones catalyzed by iron(III) halides and silica gel

Shi, Xinxia,Zhang, Lingqiong,Yang, Pengfei,Sun, Han,Zhang, Yilan,Xie, Chunsong,Ou-yang, Zhen,Wang, Min

supporting information, p. 1200 - 1203 (2018/03/08)

An efficient and mild method for the synthesis of α-halomethyl ketones from α-diazo ketones was developed using ferric chloride or bromide as the halogen source and silica gel as the hydrogen source, with good to excellent yields.

Chemoenzymatic synthesis of enantiomerically pure terminal 1,2-diols

Kamal, Ahmed,Sandbhor, Mahendra,Ahmed, Kaleem,Adil,Shaik, Ahmad Ali

, p. 3861 - 3866 (2007/10/03)

A new practical method for the enzymatic synthesis of 1,2-diols has been developed by employing a lipase catalyzed one-pot transesterification protocol. A series of substituted α-acetoxyphenylethanones 3a-g have been reduced to the corresponding alcohols under mild conditions employing sodium borohydride and moist neutral alumina, and further subjected for lipase catalyzed irreversible transesterification in the same pot to give mono- and diacetate diols (R)-4 and (S)-5, which on hydrolysis afforded terminal 1,2-diols, (R)- and (S)-6 in high enantiomeric excess.

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