155268
(R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid
99%
Manufacturer: Sigma Aldrich
CAS Number: 20445-31-2
Synonym(S): (+)-MTPA, Mosher’s acid
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 250 MG | 155268-250-MG | In Stock | ₹ 5,466.63 |
| 1 G | 155268-1-G | In Stock | ₹ 14,462.20 |
| 5 G | 155268-5-G | In Stock | ₹ 63,705.13 |
155268 - 250 MG
In Stock
Quantity
1
Base Price: ₹ 5,466.63
GST (18%): ₹ 983.993
Total Price: ₹ 6,450.623
Quality Level
100
Assay
99%
form
solid
optical activity
[α]20/D +72°, c = 1.6 in methanol
optical purity
ee: 99% (GLC)
refractive index
n20/D 1.473 (lit.)
bp
105-107 °C/1 mmHg (lit.)
mp
46-49 °C (lit.)
density
1.344 g/mL at 25 °C (lit.)
storage temp.
2-8°C
Other Options
| Image | Product Name | Manufacturer | Price Range | |
|---|---|---|---|---|
 | (R)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid | ChemScene | ₹ 3,593.52 - ₹ 86,158.92 | |
 | 20445-31-2 | (R)-(+)-Alpha-methoxy-alpha-trifluoromethylphenylacetic acid | A2B Chem | ₹ 2,566.80 - ₹ 17,197.56 |
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Description
- Application: (R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid is commonly used as a derivatizing agent in Mosher ester analysis, an NMR-based method for determining the absolute configuration of the chiral carbon center in a secondary alcohol.[1]
- Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
- Other Notes: doi:10.1038/nprot.2007.354
SAFETY INFORMATION
Pictograms
Signal Word
Warning
Hazard Statements
Precautionary Statements
P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 3
Flash Point(F)
235.4 °F
Flash Point(C)
113 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Compare Similar Items
Show Difference
Quality Level: 100
Assay: 99%
form: solid
optical activity: [α]20/D +72°, c = 1.6 in methanol
optical purity: ee: 99% (GLC)
refractive index: n20/D 1.473 (lit.)
bp: 105-107 °C/1 mmHg (lit.)
mp: 46-49 °C (lit.)
density: 1.344 g/mL at 25 °C (lit.)
storage temp.: 2-8°C
Quality Level:
100
Assay:
99%
form:
solid
optical activity:
[α]20/D +72°, c = 1.6 in methanol
optical purity:
ee: 99% (GLC)
refractive index:
n20/D 1.473 (lit.)
bp:
105-107 °C/1 mmHg (lit.)
mp:
46-49 °C (lit.)
density:
1.344 g/mL at 25 °C (lit.)
storage temp.:
2-8°C
Quality Level: 200
Assay: 99-101% (based on anhydrous substance)
form: crystalline powder
optical activity: __
optical purity: __
refractive index: __
bp: __
mp: __
density: __
storage temp.: __
Quality Level:
200
Assay:
99-101% (based on anhydrous substance)
form:
crystalline powder
optical activity:
__
optical purity:
__
refractive index:
__
bp:
__
mp:
__
density:
__
storage temp.:
__
Quality Level: 200
Assay: 99-101% (based on anhydrous substance)
form: crystalline powder
optical activity: __
optical purity: __
refractive index: __
bp: __
mp: __
density: __
storage temp.: __
Quality Level:
200
Assay:
99-101% (based on anhydrous substance)
form:
crystalline powder
optical activity:
__
optical purity:
__
refractive index:
__
bp:
__
mp:
__
density:
__
storage temp.:
__
Quality Level: 100
Assay: ≥99.0% (T)
form: solid
optical activity: [α]20/D −6.2±0.5°, c = 1% in acetic acid
optical purity: __
refractive index: __
bp: __
mp: 77-80 °C (lit.)
density: __
storage temp.: __
Quality Level:
100
Assay:
≥99.0% (T)
form:
solid
optical activity:
[α]20/D −6.2±0.5°, c = 1% in acetic acid
optical purity:
__
refractive index:
__
bp:
__
mp:
77-80 °C (lit.)
density:
__
storage temp.:
__