Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 98%
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

17257-71-5

17257-71-5 structure

17257-71-5 structure

Name: Mosher's acid
Chemical Name: (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
CAS Number: 17257-71-5
Molecular Formula: C₁₀H₉F₃O₃
Molecular Weight: 234.172
Catalog: analytical chemistry Analytical reagent Common analytical reagents
Create Date: 2018-12-25 16:02:18
Modify Date: 2026-07-06 17:10:58

Name	(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
Synonyms	(S)-(-)-α-Methoxy-α-(trifluoroMethyl)phenylacetic Acid [Optical Resolving] (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic ac MFCD00064200 (2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate (S)-(-)-A-METHOXY-A-(TRIFLUORO-ME-)-PH-A CETIC ACID, CHIRASELECT REAG (EE) a-Methoxy-a-(trifluoromethyl)phenylacetic Acid (-)-ALPHA-METHOXY-ALPHA-(TRIFLUOROMETHYL)PHENYLACETIC ACID (S)-3,3,3-Trifluoro-2-Methoxy-2-phenylpropanoic acid (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid (2S)-(-)-2-Methoxy-2-phenyl-3,3,3-trifluoropropanoic acid (-)-MOSHER'S ACID (S)-(-)-MPTA (S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylaceticAcid[Opticaesolving]> (S)-α-Methoxy-α-trifluoromethylphenylacetic acid,-MTPA, Mosher’s acid (-)-A-METHOXY-A-TRIFLUOROMETHYLPHENYLACETIC ACID (-)-Moshers acid~(-)-MTPA (S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic Acid [Optical Resolving] (2S)-2-Methoxy-2-phenyl-3,3,3-trifluoropropanoic acid (ee) (-)-Mosher's acid (S)-(-)-1-METHOXY-1-(TRIFLUOROMETHYL)PHENYLACETIC ACID (−)-MTPA (S)-(-)-alpha-Methoxy-alpha-(trifluoroMethyl)phenylacetic acid >= (±)-MTPA (S)-(-)-MOSHER'S ACID (2S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid (S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid (-)-MTPA, Moshers acid (S)-(-)-MTPA (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic Acid [Optical Resolving] (S)-2-Methoxy-2-phenyl-3,3,3-trifluoropropanoic acid (S)-(-)-ALPHA-METHOXY-ALPHA-(TRIFLUOROMETHYL)PHENYLACETIC ACID (S)-(-)-ɑ-Methoxy-ɑ-(trifluoromethyl)phenylacetic acid minus-A-methoxy-A-trifluoro-methylphenylacetic A Benzeneacetic acid, .alpha.-methoxy-.alpha.-(trifluoromethyl)-, (.alpha.S) MINUS-A-METHOXY-A-TRIFLUORO-METHYLPHENY LACETIC ACI [S,(-)]-3,3,3-Trifluoro-2-methoxy-2-phenylpropionic acid MOSHERS ACID (S)-(-)-A-METHOXY-A-(TRIFLUOROMETHYL)PHENYLACETIC ACID (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate [S,(-)]-β,β,β-Trifluoro-α-methoxyhydratropic acid (S)-(–)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid UNII:E015GCC0MA (S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid (s)-(-)-à-methoxy-à-(trifluoromethyl)phenylacetic acid 3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid EINECS 241-292-1 (S)-(-)-A-METHOXY-A-(TRIFLUOROMETHYL) PH ENYLACETIC ACID, ( EE/GLC) (S)-(-)-Mosheracid (S)-(-)-MTPA,(S)-(-)-Mosher'sacid (S)-()-α-Methoxy-α-trifluoromethylphenylacetic acid mtpa (S)-(-)-1-Methoxy-1-(trifluoromethyl)phenylacetic acid (ee) (2S)-3,3,3-trifluoro-2-methoxy-2-phenyl-propanoic acid (S)-Mosher's Acid (±)-Mosher's acid Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-, (αS) [S,(-)]-α-Trifluoromethyl-α-methoxyphenylacetic acid (S)-(-)-2-METHOXY-2-(TRIFLUOROMETHYL)PHENYLACETIC ACID α-methoxy-α-trifluoromethylphenylacetic acid (S)-(-)-1-Methoxy-1-(trifluoromethyl)phenylaceticacid(ee) (-)-MTPA Methoxy (trifluoromethyl)phenylacetic acid

Density	1.4±0.1 g/cm3
Boiling Point	287.2±0.0 °C at 760 mmHg
Melting Point	46-49ºC
Molecular Formula	C₁₀H₉F₃O₃
Molecular Weight	234.172
Flash Point	134.2±27.3 °C
Exact Mass	234.050385
PSA	46.53000
LogP	3.79
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.470
Storage condition	2-8°C

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2918990090

Precursor 5
434-45-7 220956-00-3 1044204-03-6 29246-94-4
20445-31-2
DownStream 3
20445-33-4 4128-37-4 1160843-06-0

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.