20445-31-2

中文名稱 (R)-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸

英文名稱 (R)-(+)-alpha-Methoxy-alpha-trifluoromethylphenylacetic acid

CAS 20445-31-2

EINECS 編號 243-829-5

分子式 C10H9F3O3

MDL 編號 MFCD00004184

分子量 234.17

MOL 文件 20445-31-2.mol

更新日期 2026/05/25 12:33:37

20445-31-2 結(jié)構(gòu)式

基本信息物理化學(xué)性質(zhì) 安全數(shù)據(jù) 圖譜信息知名試劑公司產(chǎn)品信息 (R)-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸價格(試劑級)

基本信息

中文別名

R-甲氧基-三氟甲基苯乙酸
(R)-(+)-α-甲氧基-α-(三氟甲基)苯乙酸
(R)-(+)-A-甲氧基-A-(三氟甲基)苯乙酸
Α-甲氧基-(三氟甲基)苯乙酸
(R)-(+)-ALPHA-甲氧基-ALPHA-三氟甲基苯乙酸
-(+)-ALPHA-甲氧基-ALPHA-三氟甲基苯乙酸
(R)-A-甲氧基-(三氟甲基) 苯乙酸

英文別名

(+)-ALPHA-METHOXY-ALPHA-(TRIFLUOROMETHYL)PHENYLACETIC ACID
(+)-A-METHOXY-A-TRIFLUOROMETHYLPHENYLACETIC ACID
(+)-MOSHER'S ACID
MOSHERS ACID
(+)-MTPA
(R)-(+)-1-METHOXY-1-(TRIFLUOROMETHYL)PHENYLACETIC ACID
(R)-(+)-2-METHOXY-2-(TRIFLUOROMETHYL)PHENYLACETIC ACID
(R)-(+)-ALPHA-METHOXY-ALPHA-(TRIFLUOROMETHYL)PHENYLACETIC ACID
(R)-(+)-A-METHOXY-A-(TRIFLUOROMETHYL)PHENYLACETIC ACID
(R)-(+)-MOSHER'S ACID
(R)-(+)-MPTA
(R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid
(R)-(+)-1-Methoxy-1-(trifluoromethyl)phenylaceticacid(ee)
(R)-(+)-MTPA,(R)-(+)-Mosher'sacid
(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%(e.e.>99.5%)
(+)--Methoxy--(trifluoromethyl)phenylaceticacid(Moshersacid)
(r)-(+)-à-methoxy-à-(trifluoromethyl)phenylacetic acid
(R)-(+)-1-Methoxy-1-(trifluoromethyl)phenylacetic acid 99% (99%ee)
(R)-(+)-1-Methoxy-1-(trifluoromethyl)phenylacetic acid (99%ee)
(R)-(+)-ɑ-Methoxy-ɑ-(trifluoromethyl)phenylacetic acid, 99%

所屬類別

分析化學(xué)：常用分析試劑

物理化學(xué)性質(zhì)

熔點(diǎn)46-49 °C(lit.)

比旋光度D25 +68.5 ± 1.3° (c = 1.49 in CH3OH)

沸點(diǎn)105-107 °C1 mm Hg(lit.)

密度1.344 g/mL at 25 °C(lit.)

折射率n20/D 1.473(lit.)

閃點(diǎn)>230 °F

儲存條件2-8°C

溶解度溶于甲醇(50mg/1ml)。

酸度系數(shù)(pKa)1.47±0.10(Predicted)

形態(tài)結(jié)晶低熔點(diǎn)固體

比重1.344

顏色白色

旋光度 (Optical Rotation)[α]20/D +73±1°, c = 2% in methanol

敏感性吸濕性

Merck14,6280

BRN2215440

InChI1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)/t9-/m1/s1

InChIKeyJJYKJUXBWFATTE-SECBINFHSA-N

SMILESCO[C@@](C(O)=O)(c1ccccc1)C(F)(F)F

CAS 數(shù)據(jù)庫20445-31-2(CAS DataBase Reference)

安全數(shù)據(jù)

危險性符號(GHS) 有害 (GHS07)

GHS07

警示詞警告

危險性描述H315-H319-H335

防范說明P261-P264-P271-P280-P302+P352-P305+P351+P338

危險品標(biāo)志Xi

危險類別碼R36/37/38

安全說明S26-S36

WGK Germany3

F3-10

Hazard NoteIrritant/Keep Cold

危險等級IRRITANT, HYGROSCOPIC, KEEP COLD

海關(guān)編碼29189900

存儲類別11 - Combustible Solids

危險性類別Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

圖譜信息

(R)-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸(20445-31-2)核磁圖(¹HNMR)
(R)-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸(20445-31-2)傅里葉紅外光譜圖
(R)-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸(20445-31-2)Raman光譜

知名試劑公司產(chǎn)品信息

Acros Organics

?-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸
(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%(e.e.>99.5%)(20445-31-2)

Alfa Aesar

(R)-a-甲氧基-(三氟甲基)苯乙酸,99%
(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%(20445-31-2)

Sigma Aldrich

20445-31-2(sigmaaldrich)

TCI Shanghai

(R)-(+)-α-甲氧基-α-(三氟甲基)苯乙酸[旋光拆分]
(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic Acid [Optical Resolving],>98.0%(GC)(T)(20445-31-2)

(R)-(+)-alpha-甲氧基-alpha-三氟甲基苯乙酸價格(試劑級)

報(bào)價日期	產(chǎn)品編號	產(chǎn)品名稱	CAS號	包裝	價格
2026/03/03	B22968	(R)-(+)-α-甲氧基-α-(三氟甲基) 苯乙酸 (R)-(+)-^a-Methoxy-^a-(trifluoromethyl)phenylacetic acid	20445-31-2	0.1g	387元
2026/03/03	31222	(R)-(+)-a-甲氧基-a-三氟甲基苯乙酸(99%) (R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%(e.e.>99.5%), Thermo Scientific Chemicals	20445-31-2	1g	1399元
2025/12/22	M0831	(R)-(+)-α-甲氧基-α-(三氟甲基)苯乙酸 [旋光拆分] (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic Acid [Optical Resolving]	20445-31-2	250MG	430元