Lot numbers can be found on the outside label of a product:
4-Hydroxy-2-methylbenzaldehyde
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CAS No. 41438-18-0
- Cat. No. CS-W005254
- Purity≥97%
- MDL No.MFCD04037443
*For research and further manufacturing use only, not for direct human use.
Structure of 41438-18-0
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General Information
- CAS No. 41438-18-0
- Cat. No. CS-W005254
- Purity ≥97%
- MDL No. MFCD04037443
- Storage 4°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₈O₂
- Molecular Weight 136.15
- Synonym(s) 4-Hydroxy-o-tolualdehyde. m-Cresol-4-aldehyde. 4,2
- SMILES OC1=CC(=C(C=O)C=C1)C
Description
4-Hydroxy-2-methylbenzaldehyde features a phenolic hydroxyl group and an electron-rich aromatic core, enabling direct participation in coupling reactions. The aldehyde functionality provides a reactive handle for imine formation and reductive amination workflows. This bench-stable compound serves as a key scaffold in the synthesis of bioactive heterocycles and fluorescent probes.
Application
4-Hydroxy-2-methylbenzaldehyde serves as a versatile building block in synthetic organic chemistry, enabling efficient access to substituted phenolic scaffolds and bioactive heterocycles. Its ortho-methyl and para-hydroxyl groups provide complementary reactivity for selective functionalization, while the aldehyde moiety facilitates condensation reactions, including Mannich and Knoevenagel transformations. Bench-stable and readily purified by recrystallization, it functions effectively in multi-step syntheses requiring regioselective derivatization.
Synthesis
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Route1
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206122-92-1 - ~34%
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In-stock
41438-18-0
References
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Eli Lilly and Company Patent: US6156748 A1, 2000 ;
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Route2
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67-66-3
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108-39-4
- ~30%
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In-stock
18362-36-2 -
In-stock
41438-18-0
References
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Hodgson; Jenkinson Journal of the Chemical Society, 1929 , p. 469,470
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Route3
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661481-12-5 - ~%
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In-stock
41438-18-0
References
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Kissei Pharmaceutical Co., Ltd. Patent: EP1544208 A1, 2005 ; Location in patent: Page/Page column 59-60 ;
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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 37.3
- LogP 1.51312
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 1
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Key Words
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