24小时热门版块排行榜    

查看: 871  |  回复: 3
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

shyhglxp

禁虫 (小有名气)

本帖内容被屏蔽

已阅   关注TA 给TA发消息 送TA红花 TA的回帖

hardee

铁杆木虫 (知名作家)

此草有主~

引用回帖:
3楼: Originally posted by shyhglxp at 2015-10-12 14:56:49
你查到的盐酸盐形式的分子量,和我看到药典上的不一致,差一个碳原子能不能再帮我确认下?谢谢啦!!...

你看到的药典的分子量是对的,默克索引这个盐酸盐的分子量是错误的。
安得促膝,可共平生。
4楼2015-10-12 17:25:06
已阅   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 4 个回答

hardee

铁杆木虫 (知名作家)

此草有主~

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
shyhglxp: 金币+10, ★★★很有帮助 2015-10-12 14:53:21
Title: Dexmedetomidine
CAS Registry Number: 113775-47-6
CAS Name: 4-[(1S)-1-(2,3-Dimethylphenyl)ethyl]-1H-imidazole
Additional Names: d-medetomidine
Manufacturers' Codes: MPV-1440
Molecular Formula: C13H16N2
Molecular Weight: 200.28
Percent Composition: C 77.96%, H 8.05%, N 13.99%
Literature References: a2-Adrenergic agonist; (+)-isomer of medetomidine, q.v. Prepn: A. J. Karjalainen et al., GB 2206880; eidem, US 4910214 (1989, 1990 both to Farmos). Physical properties: R. Rajala et al., Eur. J. Pharm. Sci. 1, 219 (1994). Clinical pharmacokinetics: P. Talke et al, Anesth. Analg. 85, 1136 (1997). Clinical evaluation as anesthetic adjunct: J. Jalonen et al., Anesthesiology 86, 331 (1997). Review of pharmacology and clinical experience for sedation of patients in intensive care: N. Bhana et al., Drugs 59, 263-270 (2000).

Derivative Type: Hydrochloride
CAS Registry Number: 145108-58-3
Trademarks: Precedex (Abbott)
Molecular Formula: C13H16CN2.HCl
Molecular Weight: 248.75
Percent Composition: C 67.60%, H 6.89%, N 11.26%, Cl 14.25%
Properties: White or almost white crystalline powder, mp 156.5-157.5°. d 1.17 g/cm3. [a] +52.4° (c = 1 in water). pH of 1% soln in water: 4.3.
Melting point: mp 156.5-157.5°
Optical Rotation: [a] +52.4° (c = 1 in water)
Density: d 1.17 g/cm3

Therap-Cat: Sedative; analgesic.
Keywords: a-Adrenergic Agonist; Sedative/Hypnotic.

Source: Merck Index 14th
安得促膝,可共平生。
2楼2015-10-12 12:01:28
已阅   关注TA 给TA发消息 送TA红花 TA的回帖

shyhglxp

禁虫 (小有名气)

本帖内容被屏蔽

3楼2015-10-12 14:56:49
已阅   关注TA 给TA发消息 送TA红花 TA的回帖
信息提示
请填处理意见