阿司帕坦标准品
(S)-3-amino-4-((S)-1-meth-oxy-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid
阿奇霉素标准品
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-15-oxo- 11-{[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-]oxy}-1-oxa-6-azacyclopentadec-13-yl 2,6-dideoxy-3-C
苯肾上腺素杂质标准品
2-hydroxy-N-((2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylacetamide
苯肾上腺素杂质标准品
3-(carboxymethyl)-6-(3-hydroxyphenyl)-4-methyl-2-oxomorpholin-4-ium chloride
倍他米松杂质
倍他米松杂质 倍他米松杂质A Betamethasone 17-Propionate CAS No. 5534-13-4 C25H33FO6 M.W. 448.54 倍他米松杂质B 21-Hemiacetal Betametha
异绿原酸B 标准品
番泻苷B /番泻苷B Sennoside B/Sennoside B CAS号128-57-4 纯度(HPLC)> 98% 分子式C43H38O20 分子量(克/摩尔)862.73912 检测方式:高效液相色谱法HPLC≥98%