米库氯铵杂质44 188956-91-4 C21H27NO5STD Pharm 标准品官网:www.standardpharm.org.cn货期为1~4周,详情请咨询:刘经理Tel: 189-7176-8502QQ: 2885409586 湖北扬信医药(现货)供应各种杂质对照品: 莫西沙
别名:(R)-(+)-2-[双(3,5-二甲苯基)羟甲基]吡咯烷 分子式:C21H27NO 分子量:309.44500 熔点:98-101oC 密度: 蒸汽压: 溶解性: 稳定性: 外观与性状:形状: 粉末 危险标记: 用途:仅供科研用途,不作为药物、家庭备用药或其它用途。 1.1 产品标识符 ...
It contains the chemical shifts, coupling constants, structural diagram and solvent of C21H27N3O5 Contained elements: C-H-N-Odoi:10.1007/10949276_1114M. P. DobhalSpringer Berlin Heidelberg
89646-18-4 Basic Information Chemical Name2-Cyclopenten-1-one,3-[(1,2,3,4,5,6,7,8-octahydro-1,2-dimethyl-2-phenanthrenyl)amino]- CAS No.89646-18-4 Molecular FormulaC21H27NO Molecular Weight309.453 PSA29.10000 LogP4.60110 View More...
毒品一直影响着社会安定.吗啡与海洛因都是被严格查禁的毒品.已知吗啡的分子式为C17H19NO3.海洛因是吗啡的二乙酸酯.则海洛因的分子式是 A. C21H23NO3 B. C21H22NO5 C. C21H23NO5 D. C21H27NO7
毒品一直影响着社会安定。吗啡与海洛因都是被严格查禁的毒品,已知吗啡的分子式为C17H19NO3,海洛因是吗啡的二乙酸酯,则海洛因的分子式是( ) A.C21H23NO3? B.C21H22NO5? C.C21H23NO5? D.C21H27NO7 试题答案 在线课程 解析:因为海洛因是吗啡的二乙酸酯,所以从分子结构可推断海洛因的分子式是C21H23NO5。
C21H27NO4, triclinic, P 1 ‾ (no. 2), a = 7.5904(17) Å, b = 10.394(2) Å, c = 12.651(3) Å, α = 73.270(4)°, β = 85.888(4)°, γ = 86.078(4)°, V = 952.2(4) Å3, Z = 2, R gt(F) = 0.0469, wR ref(F 2) = 0.1545, T = 296(2) ...
Molecular FormulaC21H27NO4 Synonyms (E)-(S)-4-[Benzyl-((E)-4-oxo-pent-2-enoyl)-amino]-5-methyl-hex-2-enoic acid ethyl ester 497830-80-5 Properties Related Products 3-Hexenoic acid, ethylester, (3Z)-CAS No:64187-83-3 (2S)-2-AMINO-5-HEXENOIC ACIDCAS No:90989-12-1 ...
Chemical Name(2S)-2-[[(1S,2S,3S,4R)-3-(4-methylphenyl)sulfonyl-7-[(2-methylpropan-2-yl)oxy-oxomethyl]-7-azabicyclo[2.2.1]hept-5-en-2-yl]oxy]propanoic acid CAS No.205498-94-8 Molecular FormulaC21H27NO7S Molecular Weight437.5 PSA118.59000 LogP3.57200 PubChemID10646632 View More205498...
毒品一直影响社会安定.吗啡与海洛因都是被严格查禁的毒品,已知吗啡的分子式是C17H19NO3,海洛因是吗啡的二乙酸酯,则海洛因的分子式是( ) A、C21H23NO3 B、C21H22NO5 C、C21H23NO5 D、C21H27NO7 试题答案 在线课程 考点:有机物实验式和分子式的确定 ...