(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: 2mg
Price: $40
Updated: 2021/12/16

Biosynth Carbosynth

Product number: IF27430
Product name: 2-(4-Formylphenyl)propionic acid - Racemic
Packaging: 5mg
Price: $80
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

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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