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75172-66-6

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75172-66-6 Usage

Chemical Properties

White crystal

Check Digit Verification of cas no

The CAS Registry Mumber 75172-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,7 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75172-66:
(7*7)+(6*5)+(5*1)+(4*7)+(3*2)+(2*6)+(1*6)=136
136 % 10 = 6
So 75172-66-6 is a valid CAS Registry Number.

75172-66-6SDS

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 L-4-methoxymandelic acid

1.2 Other means of identification

Product number -
Other names (2S)-2-hydroxy-2-(4-methoxyphenyl)acetic acid

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:75172-66-6 SDS

75172-66-6Relevant articles and documents

The Synthesis of Chiral α-Aryl α-Hydroxy Carboxylic Acids via RuPHOX-Ru Catalyzed Asymmetric Hydrogenation

Guo, Huan,Li, Jing,Liu, Delong,Zhang, Wanbin

, p. 3665 - 3673 (2017/09/11)

A ruthenocenyl phosphino-oxazoline-ruthenium complex (RuPHOX?Ru) catalyzed asymmetric hydrogenation of α-aryl keto acids has been successfully developed, affording the corresponding chiral α-aryl α-hydroxy carboxylic acids in high yields and with up to 97% ee. The reaction could be performed on a gram scale with a relatively low catalyst loading (up to 5000 S/C) and the resulting products can be transformed to several chiral building blocks, biologically active compounds and chiral drugs. (Figure presented.).

Asymmetric hydrogenation reaction of alpha-ketoacids compound

-

Paragraph 0031; 0032; 0033; 0037, (2016/10/10)

The invention relates to the technical field of organic chemistry, especially to an asymmetric hydrogenation reaction of an alpha-ketoacids compound. The asymmetric hydrogenation reaction comprises a scheme shown in the description. In the scheme, R1 is phenyl, substituted phenyl, naphthyl, substituted naphthyl, C1-C6 alkyl, or aralkyl; a substituent group is C1-C6 alkyl, C1-C6 alkoxy, or halogen; and the number of the substituent group is 1-3. In the scheme, M is a chiral spiro-pyridylamino phosphine ligand iridium complex having a structure shown in the description. In the structure, R is hydrogen, 3-methyl, 4-tBu, or 6-methyl.

A new system for the reduction of 4-hydroxymandelic acids

Vallejos, Jean Claude,Legrand, Olivier,Christidis, Yani

, p. 101 - 104 (2007/10/03)

We describe a new reduction of 4-hydroxymandelic acids which is easy to perform with available, cheap and environmentally clean reagents.The reduction of these acids is an important method for the synthesis of (4-hydroxyphenyl)-acetic acids.The new reducing system is constituted of sodium bisulfite or dithionite in catalytic quantities and formic acid in slight excess. - Keywords: 4-hydroxymandelic acid; reduction; sodium bisulfite; sodium dithionite; formic acid

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