24小时热门版块排行榜    

查看: 1225  |  回复: 4
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

andana

金虫 (小有名气)

[求助] 特立氟胺的CAS号 已有1人参与

请问各位CAS号108605-62-5和CAS号16345-81-8到底哪个是特立氟胺的CAS号啊?这两个结构式有什么区别呢?
回复此楼

» 猜你喜欢

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

mouse103

专家顾问 (著名写手)

引用回帖:
4楼: Originally posted by andana at 2017-03-03 13:45:01
您好,您发给我的这个是来自哪里?...

merck索引,或http://www.drugfuture.com/chemdata/Teriflunomide.html
5楼2017-03-03 15:32:22
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 5 个回答

mouse103

专家顾问 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★
感谢参与,应助指数 +1
andana: 金币+5, ★★★★★最佳答案 2017-03-03 13:44:23
CAS:16345-81-8是,108605-62-5是顺反异构混合物的。
2楼2017-03-03 13:32:43
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

mouse103

专家顾问 (著名写手)

Title: Teriflunomide
CAS Registry Number: 163451-81-8; 108605-62-5 (unspecified stereo)
CAS Name: (2Z)-2-Cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]-2-butenamide
Manufacturers' Codes: A-771726
Molecular Formula: C12H9F3N2O2
Molecular Weight: 270.21
Percent Composition: C 53.34%, H 3.36%, F 21.09%, N 10.37%, O 11.84%
Literature References: Disease modifying antirheumatic drug (DMARD); active metabolite of leflunomide, q.v. Prepn: R. R. Bartlett, F.-J. Kämmerer, WO 9117748; eidem, US 5494911 (1991, 1996 both to Hoechst). Identification as active metabolite: J. W. Patterson et al., J. Med. Chem. 35, 507 (1992). Phamacokinetics: J. Lucien et al., Ther. Drug Monit. 17, 454 (1995). Inhibits dihydroorotate dehydrogenase: J. P. Davis et al., Biochemistry 35, 1270 (1996). Configurational study: G. Bertolini et al., J. Med. Chem. 40, 2011 (1997); and crystal structure: C. Papageorgiou et al., Bioorg. Chem. 25, 233 (1997). HPLC determn in plasma: V. Chan et al., J. Chromatogr. B 803, 331 (2004).
Therap-Cat: Immunomodulator; in treatment of multiple sclerosis.
Keywords: Immunomodulator.
3楼2017-03-03 13:33:27
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

andana

金虫 (小有名气)

引用回帖:
3楼: Originally posted by mouse103 at 2017-03-03 13:33:27
Title: Teriflunomide
CAS Registry Number: 163451-81-8; 108605-62-5 (unspecified stereo)
CAS Name: (2Z)-2-Cyano-3-hydroxy-N--2-butenamide
Manufacturers' Codes: A-771726
Molecular Formula: C12H9F3N ...

您好,您发给我的这个是来自哪里?
4楼2017-03-03 13:45:01
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 材料学求调剂 +6 Stella_Yao 2026-03-20 6/300 2026-03-25 00:37 by baoball
[考研] 085601求调剂总分293英一数二 +3 钢铁大炮 2026-03-24 3/150 2026-03-24 22:03 by bingxueer79
[考研] 招08考数学 +7 laoshidan 2026-03-20 16/800 2026-03-24 17:52 by 乌拉儿山脉
[考研] 材料学硕,求调剂 6+3 糖葫芦888ll 2026-03-22 7/350 2026-03-24 17:11 by hello七七
[考研] 求调剂 +6 研研,接电话 2026-03-24 7/350 2026-03-24 17:01 by barlinike
[考研] 299求调剂 +7 某某某某位 2026-03-21 7/350 2026-03-24 15:24 by cuifj
[考研] 321求调剂 +4 Ymlll 2026-03-24 4/200 2026-03-24 14:44 by sprinining
[考研] 344求调剂 +3 desto 2026-03-24 3/150 2026-03-24 10:09 by 搏击518
[考研] 327求调剂 +5 prayer13 2026-03-23 5/250 2026-03-23 22:11 by 星空星月
[考研] 化学308分求调剂 +3 你好明天你好 2026-03-23 3/150 2026-03-23 20:11 by macy2011
[考研] 333求调剂 +6 87639 2026-03-21 10/500 2026-03-23 10:41 by Iveryant
[考研] 求调剂材料学硕080500,总分289分 5+3 @taotao 2026-03-19 21/1050 2026-03-23 10:17 by 冠c哥
[考研] 一志愿中南化学(0703)总分337求调剂 +9 niko- 2026-03-19 10/500 2026-03-22 16:08 by ColorlessPI
[考研] 275求调剂 +6 shansx 2026-03-22 8/400 2026-03-22 15:27 by barlinike
[考研] 285求调剂 +6 ytter 2026-03-22 6/300 2026-03-22 12:09 by 星空星月
[考研] 085600材料与化工306 +4 z1z2z3879 2026-03-21 4/200 2026-03-21 23:44 by ms629
[考研] 297求调剂 +3 喜欢还是不甘心 2026-03-20 3/150 2026-03-21 18:33 by 学员8dgXkO
[考研] 307求调剂 +3 余意卿 2026-03-18 3/150 2026-03-21 17:31 by ColorlessPI
[考研] 330求调剂0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by 搏击518
[考研] 274求调剂 +10 S.H1 2026-03-18 10/500 2026-03-20 23:51 by JourneyLucky
信息提示
请填处理意见