2-Amino-4-methyl-5-nitropyridine
2-Amino-4-methyl-5-nitropyridine (CAS: 21901-40-6), with the molecular formula C6H7N3O2 and a molecular weight of 153.14 g/mol, is a substituted pyridine derivative. This compound serves as a valuable building block in chemical synthesis, particularly within heterocyclic chemistry. Its specific structure makes it suitable for the preparation of various organic molecules, including potential pharmaceutical intermediates and research chemicals. TSS supplies this pyridine derivative with a typical assay of 98%.

Preparation of Matrix Mixtures for Direct Tissue Analysis
2-Amino-4-methyl-5-nitropyridine has been utilised in the creation of matrix mixtures essential for the direct tissue analysis of peptides. This application is significant in the advancement of analytical techniques in biochemical research.
Heterocyclic Building Block in Organic Synthesis
As a functionalised pyridine, this compound acts as a versatile building block for constructing more complex heterocyclic systems. It is employed in multi-step synthetic routes for novel organic compounds.
Research and Development in Chemical Sciences
The compound is utilised in laboratory settings for fundamental research and development within organic chemistry and related fields. Its reactivity profile supports exploration of new chemical transformations.
| Molecular weight | 153.14 |
|---|---|
| Empirical formula | C6H7N3O2 |
| Assay | 98% |
| Application | 2-Amino-4-methyl-5-nitropyridine was used in the preparation of matrix mixture required to study new technical developments for the direct tissue analysis of peptides1. |
| Melting point | 223-225 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Amino-4-methyl-5-nitropyridine used for?
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2-Amino-4-methyl-5-nitropyridine is primarily used as a building block in chemical synthesis, notably in the preparation of matrix mixtures for peptide analysis and for constructing complex heterocyclic molecules in research and development.
What are the CAS number and molecular formula for 2-Amino-4-methyl-5-nitropyridine?
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The CAS number for 2-Amino-4-methyl-5-nitropyridine is 21901-40-6, and its molecular formula is C6H7N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-4-methyl-5-nitropyridine with a minimum assay of 98%. This product is not classified as USP, BP, or EP grade and is intended for laboratory and industrial research purposes.
How should 2-Amino-4-methyl-5-nitropyridine be handled safely?
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Handle 2-Amino-4-methyl-5-nitropyridine with appropriate personal protective equipment, including a dust mask (type N95 recommended), eyeshields, and gloves. Ensure adequate ventilation. It is classified as a Warning substance, with hazards including skin irritation (H315), eye irritation (H319), and respiratory tract irritation (H335).
Is this chemical a controlled substance?
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Based on the provided data, 2-Amino-4-methyl-5-nitropyridine is not indicated as a controlled substance. However, users should always verify local regulations.
How is this chemical typically shipped or exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ships and exports chemicals in compliance with all relevant international shipping regulations for hazardous materials. Specific packaging details are available upon request.
How can I request a sample or quote for 2-Amino-4-methyl-5-nitropyridine?
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To request a sample or a quote for 2-Amino-4-methyl-5-nitropyridine, please contact the Tech Serve Solutions sales team through the provided contact channels on our website, referencing the product name and CAS number (21901-40-6).
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