Lot numbers can be found on the outside label of a product:
4-Hydroxy-2-methoxybenzoic acid
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CAS No. 90111-34-5
- Cat. No. CS-0196013
- Purity≥98%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 90111-34-5
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General Information
- CAS No. 90111-34-5
- Cat. No. CS-0196013
- Purity ≥98%
- MDL No. None
- Storage 4°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₈O₄
- Molecular Weight 168.15
- Synonym(s) Pluchoic acid
- SMILES COC1=C(C=CC(=C1)O)C(=O)O
Description
4-Hydroxy-2-methoxybenzoic acid features a phenolic hydroxyl group flanked by a methoxy substituent and a carboxylic acid moiety, enabling versatile conjugation in synthetic routes. This ortho-substituted structure enhances stability and solubility in polar solvents, facilitating use in pharmaceutical intermediates and bioactive molecule synthesis under standard bench conditions.
Application
4-Hydroxy-2-methoxybenzoic acid serves as a versatile building block for pharmaceutical and agrochemical synthesis, enabling efficient access to substituted phenolic scaffolds. Its ortho-difunctionalized aromatic core facilitates regioselective derivatization, while the carboxylic acid group supports direct coupling reactions. The compound exhibits good bench stability and is readily purified by recrystallization, making it suitable for scalable synthetic workflows.
Synthesis
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Route1
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In-stock
28478-46-8 - ~93%
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In-stock
90111-34-5
References
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Kuo, Michelle S.; Bock, Mark G.; Freidinger, Roger M.; Guidotti, Maribeth T.; Lis, Edward V.; Pawluczyk, Joseph M.; Perlow, Debra S.; Pettibone, Douglas J.; Quigley, Amy G.; Reiss, Duane R.; Williams, Peter D.; Woyden, Carla J. Bioorganic and Medicinal Chemistry Letters, 1998 , vol. 8, # 21 p. 3081 - 3086
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Route2
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85607-79-0 - ~%
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In-stock
90111-34-5
References
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Barber, Christopher Gordon; Bunnage, Mark Edward; Harvey, John Wilson; Mathias, John Paul Patent: US2005/20611 A1, 2005 ; Location in patent: Page/Page column 40 ;
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Route3
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In-stock
2150-47-2 - ~%
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In-stock
90111-34-5
References
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Kuo, Michelle S.; Bock, Mark G.; Freidinger, Roger M.; Guidotti, Maribeth T.; Lis, Edward V.; Pawluczyk, Joseph M.; Perlow, Debra S.; Pettibone, Douglas J.; Quigley, Amy G.; Reiss, Duane R.; Williams, Peter D.; Woyden, Carla J. Bioorganic and Medicinal Chemistry Letters, 1998 , vol. 8, # 21 p. 3081 - 3086
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 66.76
- LogP 1.099
- H_Acceptors 3
- H_Donors 2
- Rotatable_Bonds 2
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Key Words
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