国产一卡2卡三卡4卡麻豆_了解最新日韩草逼视频_h片在线播放一区_国产激情影视在线_好了av四色综合无码久久_欧美黑白双插OOR720P_日本精品中文字幕在线_秋霞午夜手机影院_亚洲国产一区二区3da毛片_欧美杂交深喉video中文字幕

去甲變腎上腺素鹽酸鹽(rac Normetanephrine Hydrochloride)
(±)-Normetanephrine HCl
CAS：1011-74-1
Molecular Wt：219.67
Chemical Formula：C9H13NO3 · HCl
Concentration: 1.0 mg/mL (as free base) of each component
Solvent: Methanol
Unit Size: 1 mL/ampoule
This multi-component mix is suitable for critical quantitative applications in research and clinical environments including: for use in preparation of controls, calibrators, and linearity standards for LC-MS/MS assays; as system tuning/suitability standards; linearity verification; and internal proficiency testing. The stable, quantitative solution format provides significant benefits to the user such as convenience of use, material savings, and increased efficiency of labor.