ChemicalBook > CAS DataBase List > (R)-(-)-2-PHENYLBUTYRIC ACID

(R)-(-)-2-PHENYLBUTYRIC ACID

Product Name
(R)-(-)-2-PHENYLBUTYRIC ACID
CAS No.
938-79-4
Chemical Name
(R)-(-)-2-PHENYLBUTYRIC ACID
Synonyms
(R)-2-Phenylbutanoic acid;(2R)-2-Phenylbutyric acid;Phenobarbital Impurity 23;(2R)-2-Phenylbutanoic acid;(R)-(-)-2-PHENYLBUTYRIC ACID;(αR)-α-Ethylbenzeneacetic acid;(R)-(-)-2-Phenylbutyric acid,99%;(R)-(-)-2-Phenylbutyric acid 99%;(r)-(-)-à-ethylphenylacetic acid;(R)-(-)-2-Phenylbutyricacid,98+%
CBNumber
CB0683524
Molecular Formula
C10H12O2
Formula Weight
164.2
MOL File
938-79-4.mol
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(R)-(-)-2-PHENYLBUTYRIC ACID Property

Boiling point:
102-104 °C/0.4 mmHg (lit.)
alpha 
[α]D20 -92～-98゜ (c=4, C6H5CH3)
Density 
1.055 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.516
Flash point:
>230 °F
storage temp. 
Refrigerator
solubility 
Chloroform (Slightly), Ethanol (Slightly), Toluene (Slightly)
form 
Liquid
color 
Clear colorless
optical activity
[α]20/D 93°, c = 0.9 in toluene
BRN 
2327346
CAS DataBase Reference
938-79-4(CAS DataBase Reference)
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Safety

Hazard Codes 
Xn
Risk Statements 
22
Safety Statements 
23-36
WGK Germany 
3
HS Code 
29163900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
279870
Product name
(R)-(?)-2-Phenylbutyric acid
Purity
99%
Packaging
1g
Price
$116
Updated
2022/05/15
Alfa Aesar
Product number
L09464
Product name
(R)-(-)-2-Phenylbutyric acid, 99%
Packaging
1g
Price
$82.65
Updated
2024/03/01
Alfa Aesar
Product number
L09464
Product name
(R)-(-)-2-Phenylbutyric acid, 99%
Packaging
5g
Price
$292.65
Updated
2024/03/01
TRC
Product number
P319795
Product name
(R)-(?)-2-Phenylbutyric acid
Packaging
500mg
Price
$50
Updated
2021/12/16
Apolloscientific
Product number
OR304087
Product name
(R)-(?)-2-Phenylbutyric acid
Packaging
1g
Price
$114
Updated
2021/12/16
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(R)-(-)-2-PHENYLBUTYRIC ACID Chemical Properties,Usage,Production

Chemical Properties

clear colorless liquid

Uses

(R)-(-)-2-Phenylbutyric Acid, is the metabolite of Butamirate (B690025), which is a novel antitussive drug.

Purification Methods

Purify the acids by distillation at atmospheric pressure using an efficient column. The acid chlorides have b 106-107o/20mm, []D () and (+) 108o (c 2, *C6H6). [Levene et al. J Biol Chem 100 589 1933, Gold & Aubert Helv Chim Acta 41 1512 1958, ORD in heptane: Rothen & Levene J Chem Phys 7 975 1939, Beilstein 9 III 2461.]

(R)-(-)-2-PHENYLBUTYRIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from (R)-(-)-2-PHENYLBUTYRIC ACID manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
(R)-(-)-2-PHENYLBUTYRIC ACID 938-79-4
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11

938-79-4, (R)-(-)-2-PHENYLBUTYRIC ACIDRelated Search:

BOC-(R)-3-AMINO-4-(2-FLUORO-PHENYL)-BUTYRIC ACID FMOC-(R)-3-AMINO-4-(3-METHYL-PHENYL)-BUTYRIC ACID 2-Phenylbutyric acid ethyl ester FMOC-(S)-3-AMINO-4-(4-NITRO-PHENYL)-BUTYRIC ACID FMOC-(R)-3-AMINO-4-(2-METHYL-PHENYL)-BUTYRIC ACID FMOC-(S)-3-AMINO-4-(2-METHYL-PHENYL)-BUTYRIC ACID (S)-4-AMINO-3-PHENYLBUTANOIC ACID (S)-3-AMINO-4-(3-METHYLPHENYL)BUTANOIC ACID HYDROCHLORIDE (S)-2-(Fmoc-amino)-4-phenylbutyric acid, Fmoc-L-homophenylalanine BOC-(S)-3-AMINO-4-(4-BROMO-PHENYL)-BUTYRIC ACID (3R)-3-Phenylbutyric acid BOC-(R)-3-AMINO-4-(4-FLUORO-PHENYL)-BUTYRIC ACID FMOC-(S)-3-AMINO-4-(3-FLUORO-PHENYL)-BUTYRIC ACID FMOC-(S)-3-AMINO-4-(3-METHYL-PHENYL)-BUTYRIC ACID Boc-(R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic acid FMOC-(R)-3-AMINO-4-(4-NITRO-PHENYL)-BUTYRIC ACID ethyl 4-bromo-4-phenyl-butanoate L-Homophe-OH

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