(2RS)-2-(4-Formylphenyl)propanoic acid
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- $9 - $1871.1
- Product name: (2RS)-2-(4-Formylphenyl)propanoic acid
- CAS: 43153-07-7
- MF: C10H10O3
- MW: 178.19
- EINECS:
- MDL Number:MFCD08275588
- Synonyms:2-(4-Formylphenyl)propionic acid - Racemic;IBUPROFEN IMPURITY K;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
19 prices
Selected condition：
Brand
- aablocks
- Adipogen Life Sciences
- American Custom Chemicals Corporation
- Biosynth
- ChemScene
- Sigma-Aldrich
- TRC
Package
- 1mg
- 2mg
- 5mg
- 10MG
- 25mg
- 50mg
- 100mg
- 250mg
- 500mg
- 1g
- Manufactureraablocks
- Product numberAA006Z8U
- Product description2-(4-formylphenyl)propanoic acid 97%
- Packaging1mg
- Price$9
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA006Z8U
- Product description2-(4-formylphenyl)propanoic acid 97%
- Packaging5mg
- Price$18
- Updated2026-05-28
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-I0303-M250
- Product descriptionIbuprofen Impurity K ≥98%(HPLC)
- Packaging250mg
- Price$375
- Updated2026-05-06
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-I0303-M100
- Product descriptionIbuprofen Impurity K ≥98%(HPLC)
- Packaging100mg
- Price$188
- Updated2026-05-06
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberCHM0293861
- Product description(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID 95.00%
- Packaging10MG
- Price$1871.1
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberIF27430
- Product description2-(4-Formylphenyl)propionic acid - Racemic
- Packaging50mg
- Price$674.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberIF27430
- Product description2-(4-Formylphenyl)propionic acid - Racemic
- Packaging25mg
- Price$375
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberIF27430
- Product description2-(4-Formylphenyl)propionic acid - Racemic
- Packaging2mg
- Price$250
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberIF27430
- Product description2-(4-Formylphenyl)propionic acid - Racemic
- Packaging5mg
- Price$250
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberIF27430
- Product description2-(4-Formylphenyl)propionic acid - Racemic
- Packaging10mg
- Price$299.8
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0131913
- Product descriptionIbuprofen Impurity K ≥98%
- Packaging100mg
- Price$136
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0131913
- Product descriptionIbuprofen Impurity K ≥98%
- Packaging1g
- Price$614
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0131913
- Product descriptionIbuprofen Impurity K ≥98%
- Packaging250mg
- Price$229
- Updated2026-06-04
- Buy
- ManufacturerSigma-Aldrich
- Product number79895
- Product description(2RS)-2-(4-Formylphenyl)propionic acid pharmaceutical impurity standard
- Packaging50mg
- Price$335
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberPHR3324
- Product descriptionIbuprofen Impurity K certified reference material, pharmaceutical secondary standard
- Packaging50mg
- Price$616
- Updated2026-04-30
- Buy
- ManufacturerTRC
- Product numberTRC-F700900-10MG
- Product descriptionrac 2-(4-Formylphenyl)propionic Acid (Ibuprofen Impurity K) >95%(HPLC)
- Packaging10mg
- Price$155
- Updated2026-06-03
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA006Z8U | 2-(4-formylphenyl)propanoic acid 97% | 1mg | $9 | 2026-05-28 | Buy |
| aablocks | AA006Z8U | 2-(4-formylphenyl)propanoic acid 97% | 5mg | $18 | 2026-05-28 | Buy |
| Adipogen Life Sciences | CDX-I0303-M250 | Ibuprofen Impurity K ≥98%(HPLC) | 250mg | $375 | 2026-05-06 | Buy |
| Adipogen Life Sciences | CDX-I0303-M100 | Ibuprofen Impurity K ≥98%(HPLC) | 100mg | $188 | 2026-05-06 | Buy |
| American Custom Chemicals Corporation | CHM0293861 | (2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID 95.00% | 10MG | $1871.1 | 2021-12-16 | Buy |
| Biosynth | IF27430 | 2-(4-Formylphenyl)propionic acid - Racemic | 50mg | $674.5 | 2026-06-04 | Buy |
| Biosynth | IF27430 | 2-(4-Formylphenyl)propionic acid - Racemic | 25mg | $375 | 2026-06-04 | Buy |
| Biosynth | IF27430 | 2-(4-Formylphenyl)propionic acid - Racemic | 2mg | $250 | 2026-06-04 | Buy |
| Biosynth | IF27430 | 2-(4-Formylphenyl)propionic acid - Racemic | 5mg | $250 | 2026-06-04 | Buy |
| Biosynth | IF27430 | 2-(4-Formylphenyl)propionic acid - Racemic | 10mg | $299.8 | 2026-06-04 | Buy |
| ChemScene | CS-0131913 | Ibuprofen Impurity K ≥98% | 100mg | $136 | 2026-06-04 | Buy |
| ChemScene | CS-0131913 | Ibuprofen Impurity K ≥98% | 1g | $614 | 2026-06-04 | Buy |
| ChemScene | CS-0131913 | Ibuprofen Impurity K ≥98% | 250mg | $229 | 2026-06-04 | Buy |
| Sigma-Aldrich | 79895 | (2RS)-2-(4-Formylphenyl)propionic acid pharmaceutical impurity standard | 50mg | $335 | 2026-04-30 | Buy |
| Sigma-Aldrich | PHR3324 | Ibuprofen Impurity K certified reference material, pharmaceutical secondary standard | 50mg | $616 | 2026-04-30 | Buy |
| TRC | TRC-F700900-10MG | rac 2-(4-Formylphenyl)propionic Acid (Ibuprofen Impurity K) >95%(HPLC) | 10mg | $155 | 2026-06-03 | Buy |
Properties
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
Major Application :clinical testing
InChI :1S/C10H10O3/c1-7(10(12)13)9-4-2-8(6-11)3-5-9/h2-7H,1H3,(H,12,13)
InChIKey :IAXYHYOWEQQFMC-UHFFFAOYSA-N
SMILES :OC(C(C)C1=CC=C(C([H])=O)C=C1)=O
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
Major Application :clinical testing
InChI :1S/C10H10O3/c1-7(10(12)13)9-4-2-8(6-11)3-5-9/h2-7H,1H3,(H,12,13)
InChIKey :IAXYHYOWEQQFMC-UHFFFAOYSA-N
SMILES :OC(C(C)C1=CC=C(C([H])=O)C=C1)=O
Safety Information
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| Signal word: | Warning | ||||||||||||||||||||||||||||
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Description
rac 2-(4-Formylphenyl)propionic Acid (Ibuprofen Impurity K) is a degradation product of Ibuprofen arising from oxidative and thermal treatments. Known as Ibuprofen impurity K.More related product prices
Ibuprofen 53949-53-4 (S)-(+)-Ibuprofen 65813-55-0 41283-72-1 938-94-3 38861-78-8 51146-55-5 4-(2-Methylpropyl)benzeneethanol (R)-(-)-IBUPROFEN 4-ISOBUTYLSTYRENE 59512-17-3 rac a-Hydroxy Ibuprofen 65322-85-2 3585-49-7 (2RS)-2-(4-ISOBUTYLPHENYL)PROPAN-1-OL METHYL 2-(4-ISOBUTYLPHENYL)PROPANOATE 4-Benzyloxybenzaldehyde (2RS)-2-(4-ETHYLPHENYL)PROPANOIC ACID trans-Ibuprofen IMpurity GRelated product price
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Ibuprofen
$5-1804.7 -
53949-53-4
$63-1593.9 -
(S)-(+)-Ibuprofen
$5-1732.5
Suppliers and manufacturers
J & K SCIENTIFIC LTD.
Chemsky（shanghai）International Co.,Ltd.
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S.Z. PhyStandard Bio-Tech. Co., Ltd.
TargetMol Chemicals Inc.
Quality Control Solutions Ltd.
Wuxi Zhongkun Biochemical Technology Co., Ltd.
Shanghai ChuangYan Chemical Technology Co., Ltd.
Shanghai Kewel Chemical Co., Ltd.
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.