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72702-57-9

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72702-57-9 Usage

General Description

1-(2-chlorophenyl)-2-bromoethanol is a chemical compound with the molecular formula C8H8BrClO. It is a white to light yellow solid that is used in the production of pharmaceuticals and other organic compounds. 1-(2-CHLOROPHENYL)-2-BROMOETHANOL is known for its antimicrobial and antifungal properties, and is used in the manufacturing of disinfectants and preservatives. It is also used in the synthesis of other chemical compounds, such as esters and ethers, and is considered to be a versatile building block in organic chemistry. However, it is important to handle this compound with caution, as it is classified as a hazardous substance and can cause irritation to the skin, eyes, and respiratory system.

Check Digit Verification of cas no

The CAS Registry Mumber 72702-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72702-57:
(7*7)+(6*2)+(5*7)+(4*0)+(3*2)+(2*5)+(1*7)=119
119 % 10 = 9
So 72702-57-9 is a valid CAS Registry Number.

72702-57-9SDS

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-bromo-1-(2-chlorophenyl)ethanol

1.2 Other means of identification

Product number -
Other names Benzylalcohol,a-(bromomethyl)-o-chloro-(6CI)

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:72702-57-9 SDS

72702-57-9Relevant articles and documents

Tulobuterol crystal form and preparation method thereof

-

, (2021/04/28)

The invention provides a tulobuterol crystal form and a preparation method thereof. The preparation method comprises the following steps of: dissolving tulobuterol in ethyl acetate and other good solvents, dropwisely adding n-heptane and other poor solvents into the system, filtering, taking the filter cake, and drying the filter cake to obtain the tulobuterol crystal form crystal. The crystal form is high in purity and good in stability, has superiority in process production, and is suitable for long-term storage in the preparation process.

Lipase mediated enzymatic kinetic resolution of phenylethyl halohydrins acetates: A case of study and rationalization

Fonseca, Thiago de Sousa,Vega, Kimberly Benedetti,da Silva, Marcos Reinaldo,de Oliveira, Maria da Concei??o Ferreira,de Lemos, Telma Leda Gomes,Contente, Martina Letizia,Molinari, Francesco,Cespugli, Marco,Fortuna, Sara,Gardossi, Lucia,de Mattos, Marcos Carlos

, (2020/02/18)

Racemic phenylethyl halohydrins acetates containing several groups attached to the aromatic ring were resolved via hydrolysis reaction in the presence of lipase B from Candida antarctica (Novozym 435). In all cases, the kinetic resolution was highly selective (E > 200) leading to the corresponding (S)-β-halohydrin with ee > 99 %. However, the time required for an ideal 50 % conversion ranged from 15 min for 2,4-dichlorophenyl chlorohydrin acetate to 216 h for 2-chlorophenyl bromohydrin acetate. Six chlorohydrins and five bromohydrins were evaluated, the latter being less reactive. For the β-brominated substrates, steric hindrance on the aromatic ring played a crucial role, which was not observed for the β-chlorinated derivatives. To shed light on the different reaction rates, docking studies were carried out with all the substrates using MD simulations. The computational data obtained for the β-brominated substrates, based on the parameters analysed such as NAC (near attack conformation), distance between Ser-O and carbonyl-C and oxyanion site stabilization were in agreement with the experimental results. On the other hand, the data obtained for β-chlorinated substrates suggested that physical aspects such as high hydrophobicity or induced change in the conformation of the enzymatic active site are more relevant aspects when compared to steric hindrance effects.

Method for synthesizing tulobuterol

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Paragraph 0015; 0031-0032; 0045-0048, (2020/01/03)

The invention discloses a method for synthesizing tulobuterol. According to the method, 1-(2-chlorophenyl)-2-bromoethanone (compound 3) and 1-(2-chlorophenyl)-2,2-dibromoethanone (compound 10) can besimultaneously utilized to synthesize the tulobuterol. In an original route, the compound 10 is a by-product of synthesis of the compound 3, and about 10-15% of the compound 10 is not fully utilized.The method provided by the invention can improve the synthesis yield of the tulobuterol, is simple to operate, is environmentally friendly, is low in cost and is suitable for industrial production.

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