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1121-78-4 Usage


3-Hydroxy-6-methylpyridine is an organic compound with the chemical formula C6H7NO. It is a beige to light tan crystalline powder and is used as a starting reagent in the synthesis of various compounds.


Used in Chemical Synthesis:
3-Hydroxy-6-methylpyridine is used as a starting reagent for the synthesis of 5-[(4-methoxybenzyl)oxy]-2-pyridinecarbaldehyde, a key intermediate in the production of pharmaceuticals and agrochemicals.
Used in Coordination Chemistry:
3-Hydroxy-6-methylpyridine is used in the synthesis of [HNC6H6OH]2[Cu(NC5H5)4(NbOF5)2], a coordination compound with potential applications in catalysis and materials science.
Used in Medicinal Chemistry:
3-Hydroxy-6-methylpyridine is used as a ligand of a platinum complex, which exhibits protein kinase inhibitory action at nanomolar levels. This makes it a promising candidate for the development of anticancer drugs and other therapeutic agents.
Used in Ionic Liquids:
3-Hydroxy-6-methylpyridine forms a chiral pyridinium ionic liquid upon reaction with L-menthol chloromethyl ether. These ionic liquids have potential applications in catalysis, electrochemistry, and as green solvents for various chemical processes.

Check Digit Verification of cas no

The CAS Registry Mumber 1121-78-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,2 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1121-78:
44 % 10 = 4
So 1121-78-4 is a valid CAS Registry Number.

1121-78-4 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (B25014)  5-Hydroxy-2-methylpyridine, 99%   

  • 1121-78-4

  • 5g

  • 246.0CNY

  • Detail
  • Alfa Aesar

  • (B25014)  5-Hydroxy-2-methylpyridine, 99%   

  • 1121-78-4

  • 25g

  • 975.0CNY

  • Detail
  • Alfa Aesar

  • (B25014)  5-Hydroxy-2-methylpyridine, 99%   

  • 1121-78-4

  • 100g

  • 2108.0CNY

  • Detail
  • Aldrich

  • (107263)  5-Hydroxy-2-methylpyridine  99%

  • 1121-78-4

  • 107263-25G

  • 1,100.97CNY

  • Detail
  • Aldrich

  • (107263)  5-Hydroxy-2-methylpyridine  99%

  • 1121-78-4

  • 107263-100G

  • 1,739.79CNY

  • Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017


1.1 GHS Product identifier

Product name 3-Hydroxy-6-methylpyridine

1.2 Other means of identification

Product number -
Other names 6-methylpyridin-3-ol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1121-78-4 SDS

1121-78-4Relevant articles and documents

Ligand compound for copper catalyzed aryl halide coupling reaction, catalytic system and coupling reaction


Paragraph 0152-0159, (2021/05/29)

The invention provides a ligand compound capable of being used for copper catalyzed aryl halide coupling reaction, the ligand compound is a three-class compound containing a 2-(substituted or non-substituted) aminopyridine nitrogen-oxygen group, and the invention also provides a catalytic system for the aryl halide coupling reaction. Thecatalytic system comprises a copper catalyst, a compound containing a 2-(substituted or non-substituted) aminopyridine nitrogen-oxygen group adopted as a ligand, alkali and a solvent, and meanwhile, the invention also provides a system for the aryl halide coupling reaction adopting the catalyst system. The compound containing the 2-(substituted or non-substituted) aminopyridine nitrogen oxygen group can be used as the ligand for the copper catalyzed aryl chloride coupling reaction, and the ligand is stable under a strong alkaline condition and can well maintain catalytic activity when being used for the copper-catalyzed aryl chloride coupling reaction. In addition, the copper catalyst adopting the compound as the ligand can particularly effectively promote coupling of copper catalyzed aryl chloride and various nucleophilic reagents which are difficult to generate under conventional conditions, C-N, C-O and C-S bonds are generated, and numerous useful small molecule compounds are synthesized. Therefore, the aryl halide coupling reaction has a very good large-scale application prospect by adopting the copper catalysis system of the ligand.

Rhodium-catalyzed synthesis of 1,2-dihydropyridine by a tandem reaction of 4-(1-acetoxyallyl)-1-sulfonyl-1,2,3-triazole

Dai, Haican,Yu, Sisi,Cheng, Wanli,Xu, Ze-Feng,Li, Chuan-Ying

supporting information, p. 6417 - 6420 (2017/07/10)

A tandem reaction of 4-(1-acetoxyallyl)-1-sulfonyl-1,2,3-triazole including formation of α-imino rhodium carbene, 1,2-migration of an acetoxy group and six electron electrocyclic ring closure was reported. The migration of the OAc group with excellent chemoselectivity was the crucial process, leading to the formation of 1,2-dihydropyridine specifically in up to 90% yield. Several transformations of the dihydropyridine product were also achieved illustrating the potential of the protocol in organic synthesis. Based on the observation of the intermediate, a plausible mechanism was proposed.

Triethanolamine as an Inexpensive and Efficient Ligand for Copper-Catalyzed Hydroxylation of Aryl Halides in Water

Wang, Deping,Kuang, Daizhi,Zhang, Fuxing,Tang, Siping,Jiang, Wujiu

supporting information, p. 315 - 318 (2015/10/05)

The CuI/triethanolamine catalyst system efficiently promotes the direct hydroxylation of aryl iodides and bromides in water to provide the corresponding phenols in good to excellent yields. Moreover, the procedure avoids the use of toxic organic solvents and tolerates many functional groups.

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