Category: 1731-94-8

GC-MS analysis on fat-soluble components in Yao medicine Angiopteris fokiensis was written by Zhang, Yun-yun;Yang, Hai-chuan;Li, Jia;Jiang, Ping-chuan. And the article was included in Zhongguo Yaofang in 2015.Application In Synthesis of Methyl nonadecanoate The following contents are mentioned in the article:

This paper is to provide reference for chem. composition anal. in Angiopteris fokiensis. The fat-soluble components in A. fokiensis were extracted and separated The separated fat-soluble compounds were analyzed and identified by GC-MS after Me esterification. Totally 52 compounds were detected and 43 compounds of those were identified. They were mainly organic acids and sterol-like compounds The 43 components are first identified in A. fokiensis. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Application In Synthesis of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Application In Synthesis of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Composition and difference of fatty acid components in Phellodendron chinense and Phellodendron amurense was written by Xue, Juan;Zhang, Hongwei;Sun, Yichun;Mi, Yingying;Kuang, Haixue;Wang, Qiuhong. And the article was included in Guizhou Nongye Kexue in 2015.SDS of cas: 1731-94-8 The following contents are mentioned in the article:

The fatty acid Me ester of extracts from P. hinense and P. amurense was isolated and identified by GC-MS to explore composition and difference of fatty acid in P. hinense and P. amurense. 65 And 14 components were isolated from P. chinense and P. murense resp. 53 And 14 components were identified sep. The fatty acid of P. chinense mainly contains linolelaidic acid (16.059%), jinoleic acid (14.232%), oleic acid (13.354%) and hexadecanoic acid (7.528%). The fatty acid of P. amurense mainly contains linoleic acid (62.047%), oleic acid (6.905%), linolenic acid (6.283%) and hexadecanoic acid (2.959%). This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8SDS of cas: 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. SDS of cas: 1731-94-8

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Investigation of the unsaponifiable and saponifiable matters of Pachypodium lamerei drake leaves and stems by GC/MS was written by El-Kashef, Dina F.;Hamed, Ashraf N. E.;Khalil, Hany E.;Kamel, Mohamed S.. And the article was included in Journal of Pharmacognosy and Phytochemistry in 2014.Computed Properties of C20H40O2 The following contents are mentioned in the article:

Pachypodium lamerei Drake (family Apocynaceae) is native to Madagascar and is known as Madagascar palm. The present study shows that, the unsaponifiable matter of P. lamerei contains various compounds identified as hydrocarbons (5.43%), pregnane (0.92%), steroids (11.54%), triterpenes (8.78%) as well as other oxygenated compounds (61.3%). While, the saponifiable matter contains twenty compounds from which ten were identified as Me esters of saturated fatty acids (32.31%) in addition to hydroxylated fatty acids (9.96%) whereas ten fatty acids (57.73%) couldn’t be identified. This is the first record of the GC/MS anal. for genus Pachypodium. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Computed Properties of C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Computed Properties of C20H40O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

GC-MS analysis of phytochemicals, fatty acids and antimicrobial potency of dry christmas lima beans was written by Marimuthu, Krishnaveni;Nagaraj, Nandhini;Ravi, Dhanalakshmi. And the article was included in International Journal of Pharmaceutical Sciences Review and Research in 2014.COA of Formula: C20H40O2 The following contents are mentioned in the article:

Seeds are very important for the plants to reproduce continuously in the existing world. The human life depends partly on the seeds derived from plants either by means of cooked or raw or in the form of active principles in case of pharmacol. use. So, it is essential to study the nutrients present in the seeds and also its fatty acid content as it is an important factor in giving antimicrobial activity. The components were assessed by means of anal. technique called GC-MS. The obtained results showed that it contains higher oleic acid and 9-Octadecenoic acid (Z)-Me ester and found to be effective against fungi Aspergillus flavus. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8COA of Formula: C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.COA of Formula: C20H40O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Supercritical CO₂ extraction technology on basil seeds oil and its component analysis was written by Yimamu, Huerxidan;Zhang, Jun-ping;Waili, Aihemiding;Kasimu, Rena;Yili, Abulimiti;Aisa, Hajiakber. And the article was included in Shipin Yanjiu Yu Kaifa in 2016.Category: esters-buliding-blocks The following contents are mentioned in the article:

The studies on the optimum conditions for the extraction of basil seeds oil by supercritical CO₂ fluid were carried out. The primary and secondary effect factors on the extraction of basil seeds oil by supercritical CO₂ fluid were as followed: pressure > time > temperature The optimum conditions were: extraction pressure 300 Pa, extraction temperature 45°C, extraction time 3 h. Under these conditions, the maximum extraction rate was 17.05%. The fatty acid composition of basil seeds oil was mainly composed of linolenic acid (85.76%), palmitic acid (8.54%) and stearate (5.1%), in which the content of unsaturated fatty acids reached 86.35%. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Category: esters-buliding-blocks).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Category: esters-buliding-blocks

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

GC-MS determination of phospholipid fatty acids in soil was written by Zhang, Li-ping;Wang, Chuan;Zhou, Qiao-hong;Wang, Ya-fen;Wu, Zhen-bin. And the article was included in Lihua Jianyan, Huaxue Fence in 2015.Safety of Methyl nonadecanoate The following contents are mentioned in the article:

GC-MS was applied to the determination of phospholipid fatty acids in soil. The sample was added into KOH solution with methanol as solvent. After Me esterification, fatty acid Me esters were extracted with hexane. The extract was separated on an Agilent DB-5MS column. Full-scanning mode and SIM were adopted in MS. Linear relationships were found between the peak area and the mass concentration of the 26 fatty acids Me esters in definite ranges, with detection limits (3S/N) in the range of 0.0012 – 0.2959 mg · L^-1. Recovery rates measured by standard addition method were in the range of 108% – 115%, and RSDs (n = 7) were in the range of 3.2% – 6.4%. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Safety of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Safety of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Analysis of biological activity and gas chromatography-mass spectrometry study of conventional extraction of Vitex negundo linn. leaves was written by Fatema, Samreen;Ubale, Milind;Farooqui, Mazahar;Arif, Pathan Mohd. And the article was included in Asian Journal of Pharmaceutical and Clinical Research in 2019.Recommanded Product: Methyl nonadecanoate The following contents are mentioned in the article:

The main objective of the present work is to carry out the biol. activity, gas chromatog.-mass spectrometry (GC-MS) studies for the possible compounds present in Vitex negundo. The aqueous extract of V. negundo Linn. was screened for biol. activities such as antimicrobial, antituberculosis (TB), antimalarial, and antioxidant activities. The GC-MS anal. was carried out. The result shows that leaf extract is effective against Escherichia Coli and Bacillus subtitus while neg. results for anti-TB and anti-malarial activity. The antioxidant activity of the leave extract is excellent. The compounds present in the leaf extract of V. negundo are responsible for possessing the biol. activity. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Recommanded Product: Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Recommanded Product: Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

GC-MS analysis and antimicrobial activity of Sudanese Acacia polyacantha Willd. (Fabaceae) seed oil was written by Abdel Karim, M.;Afaf, I. G.;Mayada, E.;Um-Alhasan, T.. And the article was included in Pharmaceutical and Chemical Journal in 2020.Electric Literature of C20H40O2 The following contents are mentioned in the article:

The present study was carried out to characterize the constituents of Acacia polycantha seed oil and to assess its antimicrobial activity. Thirty two components were detected by GC-MS anal. being dominated by: 9,12-octadecadienoic acid Me ester (27.95%), Me stearate (17.13%), hexadecanoic acid Me ester (13.30%), 9-octadecanoic acid(Z) Me ester (9.57%). The antimicrobial activity of the oil was evaluated using the diffusion assay against: Gram pos.: Staphylococcus aureus and Bacillus subtilis; Gram neg.: Escherichia coli and Pseudomonasa aeruginosa and the yeast Candida albicans. The oil showed moderate activity against Pseudomonas aeruginosa and Staphylococcus aureus. However, it failed to exhibit activity against other test organisms. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Electric Literature of C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Electric Literature of C20H40O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Application and verification of direct transesterification as a method to quantify fatty acids in cement and concrete was written by van Hille, Rob;Griffiths, Melinda. And the article was included in Construction and Building Materials in 2016.COA of Formula: C20H40O2 The following contents are mentioned in the article:

Fatty acids are increasingly being evaluated as phase change materials to enhance thermal regulation in buildings and as hydrophobic admixtures to reduce water ingress into concrete. This paper describes the development of a method for the rapid and accurate quantification of fatty acids in cement and concrete. The method is based on direct (in situ) transesterification of fatty acids into fatty acid Me esters and their subsequent extraction in a single step, followed by quantification by gas chromatog. The method was validated using cement treated with olive oil and milk and showed a proportional relationship between dosing and fatty acids quantified. This method provides an accurate alternative to existing qual. procedures. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8COA of Formula: C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.COA of Formula: C20H40O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Characteristics and deoxy-liquefaction of cellulose extracted from cotton stalk was written by Li, Jinhua;Zhang, Shuai;Gao, Boyang;Yang, Aikai;Wang, Zonghua;Xia, Yanzhi;Liu, Haichao. And the article was included in Fuel in 2016.Product Details of 1731-94-8 The following contents are mentioned in the article:

Cellulose was extracted from cotton stalk and characterized by using scanning electron microscope (SEM), XRD, NMR, and FTIR spectroscopy. The extracted cellulose had representative cellulose structure. Also, the extracted cellulose was converted into liquid oil by direct deoxy-liquefaction. The elemental anal., FTIR spectroscopy and gas chromatog.-mass spectrometry (GC-MS) analyses of the liquid oil indicated that the extracted cellulose oil was mainly composed of aromatic hydrocarbons, phenols and alkanes. This oil featured high quality including the low O content of 6.46% and the higher heating value (HHV) of 42.66 MJ/kg. Probably deoxy-liquefaction technique is an effective way to convert cellulose into high-quality liquid fuel and value-added chems. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Product Details of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Product Details of 1731-94-8

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics