ChemicalBook >> CAS DataBase List >>4-Methoxyisophthalic acid
4-Methoxyisophthalic acid
- CAS No.
- 2206-43-1
- Chemical Name:
- 4-Methoxyisophthalic acid
- Synonyms
- Room 4-methoxy-acid;p-MethoxySophthalicAcid;Picotamide EP Impurity A;4-Methoxy Sophthalic Acid;4-Methoxyisophthalic acid;Picotamide impurity A CRS;p-Methoxyisophthalic Acid;5-METHOXY-ISOPHATHALIC ACID;4-METHOXYISOPHTHALIC ACID 98%;5-METHOXY-1,3 DICARBOXYLIC ACID
- CBNumber:
- CB3264131
- Molecular Formula:
- C9H8O5
- Molecular Weight:
- 196.16
- MDL Number:
- MFCD06208422
- MOL File:
- 2206-43-1.mol
- MSDS File:
- SDS
Last updated:2026-05-12 09:16:51
| Product description | Number | Pack Size | Price |
| Picotamide impurity A European Pharmacopoeia (EP) Reference Standard | P1645005 | 25 mg | $127 |
| Picotamide impurity A European Pharmacopoeia (EP) Reference Standard | P1645005 | p1645005 | $223 |
| 4-Methoxyisophthalic acid 97% | 528277 | 5g | $262 |
| 4-Methoxyisophthalic acid 97%(HPLC) | X3408 | 5g | $16 |
| 4-Methoxyisophthalic acid 97%(HPLC) | X3408 | 25g | $40 |
| More product size | |||
| Melting point | 275-280 °C(lit.) |
|---|---|
| Boiling point | 271 °C |
| Density | 1.416±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 3.72±0.10(Predicted) |
| Appearance | White to off-white Solid |
| InChI | InChI=1S/C9H8O5/c1-14-7-3-2-5(8(10)11)4-6(7)9(12)13/h2-4H,1H3,(H,10,11)(H,12,13) |
| InChIKey | JIICYHFLIOGGHE-UHFFFAOYSA-N |
| SMILES | C1(C(O)=O)=CC=C(OC)C(C(O)=O)=C1 |
| CAS DataBase Reference | 2206-43-1(CAS DataBase Reference) |
| FDA UNII | 444QLG5YMS |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| PPE | Eyeshields, Gloves, type N95 (US) |
|---|---|
| WGK Germany | 3 |
| Storage Class | 13 - Non Combustible Solids |
| REACH Registrations | Active |
4-Methoxyisophthalic acid price More Price(42)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | P1645005 | Picotamide impurity A European Pharmacopoeia (EP) Reference Standard | 2206-43-1 | 25 mg | $127 | 2026-04-30 | Buy |
| Sigma-Aldrich | P1645005 | Picotamide impurity A European Pharmacopoeia (EP) Reference Standard | 2206-43-1 | p1645005 | $223 | 2024-03-01 | Buy |
| Sigma-Aldrich | 528277 | 4-Methoxyisophthalic acid 97% | 2206-43-1 | 5g | $262 | 2023-01-07 | Buy |
| AK Scientific | X3408 | 4-Methoxyisophthalic acid 97%(HPLC) | 2206-43-1 | 5g | $16 | 2026-06-04 | Buy |
| AK Scientific | X3408 | 4-Methoxyisophthalic acid 97%(HPLC) | 2206-43-1 | 25g | $40 | 2026-06-04 | Buy |
4-Methoxyisophthalic acid Chemical Properties,Uses,Production
Chemical Properties
White tooff-white powder
Uses
Picotamide impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.
General Description
4-Methoxyisophthalic acid can be prepared by employing the following as a starting material:
- its dimethyl analog
- p-cresol
- 4-methoxy-m-xylene
- 3-methyl-4-methoxybenzyl chloride
4-Methoxyisophthalic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 118)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Chemsigma International Co., Ltd. | +86-2558742998 +86-19951791336 | info@chemsigma.com | China | 1810 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20122 | 58 |
| airuikechemical co., ltd. | +86-18353166132 | sales02@airuikechemical.com | China | 983 | 58 |
| Capot Chemical Co.,Ltd. | +86-（0）57185586718 +86-13336195806 | sales@capot.com | China | 29640 | 60 |
| Zhejiang ZETian Fine Chemicals Co. LTD | +8618957127338 | stella@zetchem.com | China | 2994 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29792 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17346 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52704 | 58 |
View Lastest Price from 4-Methoxyisophthalic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-09-25 | 4-Methoxyisophthalic acid
2206-43-1
|
$5.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
 |
2024-12-24 | 4-Methoxyisophthalic acid
2206-43-1
|
1Kg | 99.9% | 200tons | airuikechemical co., ltd. | ||
 |
2020-01-10 | 4-Methoxyisophthalic acid
2206-43-1
|
$3.00 | 1KG | 98% | 200KG | Career Henan Chemical Co |
-
- 4-Methoxyisophthalic acid
2206-43-1
- $5.00
- 99%
- Henan Fengda Chemical Co., Ltd
-
- 4-Methoxyisophthalic acid
2206-43-1
- 99.9%
- airuikechemical co., ltd.
-
- 4-Methoxyisophthalic acid
2206-43-1
- $3.00
- 98%
- Career Henan Chemical Co
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2206-43-1
CH3OC6H3CO2H2
C9
Carbonyl Compounds
Carboxylic Acids
Building Blocks
Organic Building Blocks
Building Blocks
Carbonyl Compounds
Carboxylic Acids
Chemical Synthesis
Organic Building Blocks
C9
Carbonyl Compounds
Carboxylic Acids
Organic acids
API intermediates
Phthalic Acids, Esters and Derivatives
