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(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID

Product Name
(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID
CAS No.
43153-07-7
Chemical Name
(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID
Synonyms
2-(4-formylphenyl)propanoic acid;Ibuprofen-8;LOXOPROFEN IMP II;IBUPROFEN IMPURITY K;IBuprofen Impurity 11;LOXOPROFEN IMPURITY II;Ibuprofen EP Impurity K;Ibuprofen Impurity K(EP);Loxoprofen Impurity 13 CRS;Ibuprofen IMpurity-K(EP/BP)
CBNumber
CB6690962
Molecular Formula
C10H10O3
Formula Weight
178.19
MOL File
43153-07-7.mol
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(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID Property

Melting point:
>75°C
Boiling point:
352.3±17.0 °C(Predicted)
Density 
1.222±0.06 g/cm3(Predicted)
storage temp. 
-20°C Freezer, Under Inert Atmosphere
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
4.11±0.10(Predicted)
color 
White to Pale Yellow
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PHR3324
Product name
Ibuprofen Impurity K
Purity
certified reference material, pharmaceutical secondary standard
Packaging
50mg
Price
$541.5
Updated
2025/07/31
Sigma-Aldrich
Product number
79895
Product name
(2RS)-2-(4-Formylphenyl)propionic acid
Purity
pharmaceutical impurity standard
Packaging
50mg
Price
$320
Updated
2025/07/31
TRC
Product number
F700900
Product name
rac2-(4-Formylphenyl)propionicAcid(IbuprofenImpurityK)
Packaging
10mg
Price
$105
Updated
2021/12/16
Biosynth Carbosynth
Product number
IF27430
Product name
2-(4-Formylphenyl)propionic acid - Racemic
Packaging
10mg
Price
$130
Updated
2021/12/16
Biosynth Carbosynth
Product number
IF27430
Product name
2-(4-Formylphenyl)propionic acid - Racemic
Packaging
25mg
Price
$250
Updated
2021/12/16
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(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID Chemical Properties,Usage,Production

Chemical Properties

White to Off-White Solid

Uses

rac 2-(4-Formylphenyl)propionic Acid (Ibuprofen EP Impurity K) is a degradation product of Ibuprofen arising from oxidative and thermal treatments. Ibuprofen impurity K.

(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID Suppliers

Canada 1 China 118 India 6 United Kingdom 1 United States 10 USA 1 Global 137
Pharma Affiliates
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@pharmaffiliates.com
Country
India
ProdList
6754
Advantage
58
SynZeal Research Pvt Ltd
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Email
standards@synzeal.com
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India
ProdList
6514
Advantage
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Pharmaffiliates Analytics and Synthetics P. Ltd
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mktg@pharmaffiliates.com
Country
India
ProdList
6739
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View Lastest Price from (2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID manufacturers

Guangzhou PI PI BIOTECH INC
Product
Ibuprofen Impurity K(EP) 43153-07-7
Price
US $0.00-0.00/mg
Min. Order
10mg
Purity
90%+
Supply Ability
10g
Release date
2020-06-03

43153-07-7, (2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACIDRelated Search:

Ibuprofen 1-Hydroxyibuprofen (S)-(+)-Ibuprofen 1-Oxo Ibuprofen Ibuprofen Ethyl Ester 2-[4-(2-Methylpropyl)phenyl] ethanol 6-isobutyl-3-methyl-2,3-dihydro-1H-inden-1-one 2-(4-Methylphenyl)propanoic acid (2RS)-2-(4-BUTYLPHENYL)PROPANOIC ACID 4'-(2-Methylpropyl)acetophenone rac 2-Hydroxy Ibuprofen 4-(2-Methylpropyl)benzeneethanol (R)-(-)-IBUPROFEN Ibuprofen EP Impurity I 3-(4-ISOBUTYL-PHENYL)-PROPIONIC ACID p-Isobutylstyrene rac-Ibuprofen amide rac a-Hydroxy Ibuprofen

  • 2-(4-Formylphenyl)propionic acid - Racemic
  • IBUPROFEN IMPURITY K
  • (2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID
  • 2-(p-Formylphenyl)propionic Acid
  • 4-Formyl-a-methylbenzeneacetic Acid
  • rac 2-(4-Formylphenyl)propionic Acid (Ibuprofen Impurity K)
  • rac 2-(4-Formylphenyl)propionic Acid
  • 2-(4-formylphenyl)propanoic acid
  • Ibuprofen EP Impurity K
  • IBuprofen Impurity 11
  • Imp. K (EP): (2RS)-2-(4-Formylphenyl)-propanoic Acid
  • 4-ForMyl-α-Methylbenzeneacetic Acid
  • Ibuprofen IMpurity-K(EP/BP)
  • (2RS)-2-(4-Formylphenyl)propionic acid
  • Ibuprofen-8
  • Ibuprofen impurity 5/Ibuprofen EP Impurity K/rac 2-(4-Formylphenyl)propionic Acid
  • rac 2-(4-Formylphenyl)propionic Acid(Ibuprofen EP Impurity K)
  • Ibuprofen Impurity K(EP)
  • Ibuprofen EP Impurity K:Ibuprofen Impurity K
  • (2RS)-2-(4-Formylphenyl)propanoic A
  • Benzeneacetic acid, 4-formyl-α-methyl-
  • Ibuprofen Impurity 11（Ibuprofen EP Impurity K）
  • Loxoprofen Related Impurity 6
  • LOXOPROFEN IMP II
  • (2<i>RS</i>)-2-(4-Formylphenyl)propionic acid
  • LOXOPROFEN IMPURITY II
  • Ibuprofen Imp. K (EP): (2RS)-2-(4-formylphenyl)propanoic acid
  • Loxoprofen Impurity 13 CRS
  • 43153-07-7
  • Aromatics
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals