Powder Olivetol 3 5 Hydroxypentylbenzene Cas 500 66 3

The compound on which the fluorescent label is dependent is called a fluorescent substance. A fluorescent substance refers to a compound having a chemical structure of a conjugated double bond system. When irradiated with ultraviolet light or blue-violet light, it can be excited to an excited state, and when it is restored from the excited state, it emits fluorescence. Fluorescent labeling technology refers to the use of a fluorescent substance to covalently bind or physically adsorb on a...

English name: VE; Vitamin E; D-alpha-Tocopherol; (2R) -3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R, 8R) -4,8,12-trimethyltridecyl ] -2H-1-benzopyran-6-ol Other names: natural vitamin E; tocopherol; vitamin E; [2R- [2R * (4R *, 8R *)]]-3,4-dihydro-2,5,7,8-tetramethyl-2- (4,8,12-trimethyltridecyl) -6-chromanol; (+)-5,7,8-trimethyltocopherol CAS number: 59-02-9 C29H50O2 = 430.71 Content: ≥50.0% (HPLC) Loss on drying: ≤1.0% Heavy metals: ≤10ppm Arsenic: ≤1ppm Properties: White crystalline powder or...

Definition: Azithromycin is an antibiotic belonging to macrolide. It was discovered in 1980 and introduced in 1981. Also translated as a erythromycin, azithromycin. Azithromycin is a broad-spectrum antibiotic that has been modified on the structure of erythromycin and is suitable for respiratory tract infections, skin and soft tissue infections, and chlamydia-induced transmission diseases. The pharmacological azithromycin is a 15-membered aza compound obtained by a series of reactions such as...

“The prospects for the development of pharmaceutical intermediates in China are still promising.” This is the information that the reporter learned from the experts at the second seminar on pharmaceutical intermediates R&D progress and market prospects held in 2006. Recently, experts including Wang Pushan from the SFDA Information Center, Professor Liao Qingjiang from the China Pharmaceutical University, and Deputy Director Tao Jianhong from the SFDA Institute of Southern Medicine and...