Skip to the beginning of the images gallery

2-Methyl-5-nitropyridine - 96%, high purity , CAS No.21203-68-9

COA

Grade & Purity:

≥96%

Cas Number: 21203-68-9
Molecular Weight: 138.13
Beilstein Registry Number: 20(5)5,503
MDL number: MFCD04114179
PubChem CID: 2794552
PubChem SID: 488193984

In stock

Item Number

M120570

Grouped product items
SKU	Size	Availability	Price
M120570-1g	1g	2	$11.90
M120570-5g	5g	10	$42.90
M120570-10g	10g	3	$77.90
M120570-25g	25g	3	$167.90
M120570-100g	100g	2	$601.90

View related series

Halogen free heterocyclic block (1207) Pyridines (1259)

Basic Description

Synonyms	DTXSID90383213 \| SCHEMBL295673 \| W-206603 \| AC-618 \| MFCD04114179 \| SY009065 \| 2-Methyl-5-nitropyridine \| AKOS005064136 \| Pyridine, 2-methyl-5-nitro \| Pyridine, 2-methyl-5-nitro- \| A4585 \| M2034 \| 5-Nitro-2-picoline \| BBL101267 \| USZINSZJSVMICC-UHFFFAOYSA
Specifications & Purity	≥96%
Shipped In	Normal
Product Description	application： 2-Methyl-5-nitropyridine is used as pharmaceutical intermediate.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic 1,3-dipolar compounds
  - Class Allyl-type 1,3-dipolar organic compounds
    - Subclass Organic nitro compounds
      - Level5 C-nitro compounds
        Level6 Nitroaromatic compounds

Kingdom	Organic compounds
Superclass	Organic 1,3-dipolar compounds
Class	Allyl-type 1,3-dipolar organic compounds
Subclass	Organic nitro compounds
Intermediate Tree Nodes	C-nitro compounds
Direct Parent	Nitroaromatic compounds
Alternative Parents	Methylpyridines Heteroaromatic compounds Propargyl-type 1,3-dipolar organic compounds Organic oxoazanium compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteromonocyclic compounds
Substituents	Nitroaromatic compound - Methylpyridine - Pyridine - Heteroaromatic compound - Azacycle - Organoheterocyclic compound - Propargyl-type 1,3-dipolar organic compound - Organic oxoazanium - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
Description	This compound belongs to the class of organic compounds known as nitroaromatic compounds. These are c-nitro compounds where the nitro group is C-substituted with an aromatic group.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	488193984
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488193984
IUPAC Name	2-methyl-5-nitropyridine
INCHI	InChI=1S/C6H6N2O2/c1-5-2-3-6(4-7-5)8(9)10/h2-4H,1H3
InChIKey	USZINSZJSVMICC-UHFFFAOYSA-N
Smiles	CC1=NC=C(C=C1)[N+](=O)[O-]
Isomeric SMILES	CC1=NC=C(C=C1)[N+](=O)[O-]
Molecular Weight	138.13
Beilstein	20(5)5,503
Reaxy-Rn	115510
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=115510&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot Number	Certificate Type	Date	Item
K1301076	Certificate of Analysis	May 13, 2025	M120570
A2419481	Certificate of Analysis	Nov 22, 2023	M120570
A2419482	Certificate of Analysis	Nov 22, 2023	M120570
A2419483	Certificate of Analysis	Nov 22, 2023	M120570
A2419486	Certificate of Analysis	Nov 22, 2023	M120570
G2214043	Certificate of Analysis	Jul 18, 2022	M120570
D2319546	Certificate of Analysis	Jun 27, 2022	M120570
I2201557	Certificate of Analysis	Jun 27, 2022	M120570
I2201558	Certificate of Analysis	Jun 27, 2022	M120570
I1409109	Certificate of Analysis	Jun 24, 2022	M120570

Chemical and Physical Properties

Solubility	Slightly soluble in water.
Melt Point(°C)	109°C
Molecular Weight	138.120 g/mol
XLogP3	1.000
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	138.043 Da
Monoisotopic Mass	138.043 Da
Topological Polar Surface Area	58.700 Å²
Heavy Atom Count	10
Formal Charge	0
Complexity	132.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration