Name: Ethyl Alcohol synonyms:Ethyl Alcohol,alcohol,ethanol,Ethanol CAS:64-17-5 H.S. Code:2207100000 Hazard class:3(packing group:3) UN:11702.Specification Ethanol, organic compound, molecular formula C2H6O, structure simple formula CH3CH2OH or C2H5OH, commonly known as alcohol,...
The invention relates to a PLGA and ethyl alcohol compound used for a biological polypeptide preparation. The compound is a physical compound of PLGA and physical compound and can serve as a sustained-release material for the biological polypeptide preparation.尚丽霞...
Ethyl acetate structure CAS No. 141-78-6 Chemical Name: Ethyl acetate Synonyms EtOAc;ETOH;ALCOHOL;yisuanyizhi;ETHYL ETHANOATE;ACETIC ACID ETHYL ESTER;ETHANOL ABSOLUTE;METHYLATED SPIRIT;CH3COOC2H5;ACETIC ETHER CBNumber: CB7255315 Molecular Formula: ...
Ethyl methacrylate, with the chemical formula C6H10O2 and CAS registry number 97-63-2, is a compound known for its role as a monomer in the production of polymers. This colorless liquid, also referred to as EMA, is characterized by its ester group attached to the methacrylate backbone. It ...
using hot melt extrusion and subsequently printed into tablet form by fused deposition molding (Fig. 8a). To diminish the hydrophobicity of EC and improve its biodegradability, release modifiers (hydroxypropyl methyl cellulose - HPMC, poly (vinyl alcohol) - PVA, sodium alginate and xanthan gum) ...
Ethyl crotonate structure CAS No. 623-70-1 Chemical Name: Ethyl crotonate Synonyms (E)-ethyl but-2-enoate;ethyl (E)-2-butenoate;ETHYL TRANS-2-BUTENOATE;TRANS-ETHYL CROTONATE;CL078;FEMA 3486;ETHYL CROTONATE;Ethyl Croronate;Ethyl-2-Crotonate;trans-2-butenoate CBNumber: CB5241198 Molecular...
It was lucky that the second-eluted MαNP ester (−)-cis-99bwas obtained as single crystals, when recrystallized from hexane/EtOAc. A single crystal was subjected to X-ray crystallography, by which the AC of the alcohol part was determined to be (1R,2R) as illustrated inFig. 7.28C,...
Type ofExtract Total alcohol* n Hexane Chloroform Ether Ethyl acetate Ethyl alcohol Methyl alcohol N Ayoub,S Hanan,AN Singab,... - 《Bulletin of Pharmaceutical Sciences》 被引量: 6发表: 2004年 Separation of chemical constituents from irisquinone Objective: To separate chemical constituents from ir...
It is a perfluoroalkyl compound that belongs to the class of methacrylates. It appears as a colorless liquid with no distinct odor. The basic structure of 2-(Perfluoroalkyl)ethyl methacrylate consists of a perfluoroalkyl group attached to an ethyl methacrylate moiety. This compound is insoluble in ...
By direct esterification of pyruvic acid with absolute ethyl alcohol at the boil and subsequent vacuum distillation; by esterification via oxidation of vapors of ethyl lactate in the presence of V2O5 at 155°C Taste threshold values Taste characteristics at 60 ppm: sweet, rum-like with a fruity ...