Compounds are described of formula (II) (II) and salts thereof, wherein R1 reprsents a methyl, ethyl or isopropyl group; R2 represents a hydrogen atom or a group OR5 (where OR5 is a hydroxy group or a substituted hydroxyl group having up to 25 carbon atoms) and R3 represents a ...
中文名称:甲基苯基二甲氧基硅烷英文名称:Methylphenyldimethoxysilane CAS:3027-21-2品牌:湖北科孚乐 产地:湖北武汉保存条件:阴凉、干燥 纯度规格:97产品类别:苯基硅烷 密度:0.99熔点:73-75 °C 沸点:199℃折射率:1.478-1.481 闪光点:80℃PSA:18.46000
Acetic acid is an organic compound with the formula CH3COOH. It is a carboxylic acid consisting of a methyl group that is attached to a carboxyl functional group. The systematic IUPAC name of acetic acid is ethanoic acid and its chemical formula can also be written as C2H4O2. Vinegar is a...
The lower olefins are commonly represented by thechemical formulaCH2=CHR, with R representing hydrogen in the case of ethylene and a pendant methyl (CH3) group in the case of propylene. The presence of the double bond is the key to the polymerization of these two hydrocarbons. Under the infl...
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hemsleyanum has a good prospect for the development of new drugs due to these outstanding properties. However, the present findings did not provide an in-depth evaluation of bioactivity of the extracts, the composition of its active extracts was not clear. Moreover, they were insufficient to ...
英文别名:N,N,N',N'-tetramethyl-guanidine; N,N'-tetramethylguanidine; Tetramethylguanidine; TMG; 1,1,3,3-Tetermethyl Guanidine; N-[amino(dimethylamino)methylidene]-N-methylmethanaminium 分子式(Formula): C5H13N3[5] 分子量(Molecular Weight): 115.177[5] ...
Abacavir Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ((1R,4R)-4-(2-amino-6-chloro-9H-purin-9-yl)cyclopent-2-en-1-yl)methyl formate. Molecular Formula: C12H12ClN5O2. Mole Weight: 293.71. Catalog: APB03140. ...
成都美域高制药有限公司生产的立非司特,最新报价:130000元/KG/袋,一、产品概述1、品种:Lifitegrast原料及重要中间体、相关杂质。2、适应症:Lifitegrast是白细胞功能抗原1拮抗剂,用于治疗干眼症。Lifite
1. A compound of the formula: wherein:Ar is phenyl, naphthyl, or pyridyl, unsubstituted or substituted with from 1 to 3 substituents selected from the group consisting of halogeno, halomethyl, hydroxy, carboxy, carboxyalkyl, alkoxy, alkanoyl, alkanoyloxy, phenoxy, benzoyl, benzoyloxy, amino...