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993-48-6

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993-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 993-48-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 993-48:
(5*9)+(4*9)+(3*3)+(2*4)+(1*8)=106
106 % 10 = 6
So 993-48-6 is a valid CAS Registry Number.

993-48-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name α-Hydroxy-2-methylpropionic acid Na salt

1.2 Other means of identification

Product number -
Other names sodium 2-hydroxyisobutyrate

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:993-48-6 SDS

993-48-6Relevant articles and documents

The Influence of Hydrophobic Solvation on the Alkaline Hydrolysis of Ethyl Esters of Polar Substituted 2-Methylpropionic Acids in Water

Schmeer, G.,Riembauer, S.,Barthel, J.

, p. 1175 - 1190 (2007/10/02)

The rate constants of the alkaline hydrolysis of 2-methylpropionic acid ethyl ester, α-hydroxy, α-bromo, α-cyano, and α-nitro-2-methylpropionic acid ethyl ester have been measured in water between 5 deg C and 45 deg C with the help of an appropiate conductance bridge developed in our laboratory.The influence of the polar substituents on the rate constant, a powerful probe for discussing two-particle interactions in solutions, is characterized by an intramolecular structure parameter of the activated complex and a dielectric parameter of its surroundings.The dependence of the reaction rate on the structure parameter is compared to that of substituted acetic acid derivatives.The smaller dielectric parameter of 2-methylpropionic acid esters reveals the increasing hydrophobic solvation in comparison to acetic acid derivatives.

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