4-Amino-3-nitropyridine

Name: 4-Amino-3-nitropyridine
Brand: Vaqora Chemicals
SKU: VQ-024235

About 4-Amino-3-nitropyridine

4-Amino-3-nitropyridine is an impurity of Amifampridine carrying the CAS registry number 1681-37-4. Its molecular formula is C5H5N3O2 and its molecular weight is 139.11 g/mol. Systematically, it is named 3-nitropyridin-4-amine. Common synonyms include 4-Pyridinamine, 3-nitro- and 3-Nitro-4-pyridinamine.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Amifampridine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-Amino-3-nitropyridine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Amifampridine

View every impurity, metabolite and intermediate we list for Amifampridine.

Amifampridine impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Amino-3-nitropyridine
Catalogue No.	VQ-024235
CAS Number	1681-37-4
IUPAC name	3-nitropyridin-4-amine
Molecular formula	C₅H₅N₃O₂
Molecular weight	139.11 g/mol
Exact mass	139.0382
Grade	Reference Standard
HSN code	38229090
InChIKey	IUPPEELMBOPLDJ-UHFFFAOYSA-N
SMILES	C1=CN=CC(=C1N)[N+](=O)[O-]
PubChem CID	548803

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 4
TPSA	84.7 Å²
Synonyms	4-Pyridinamine, 3-nitro-, 3-Nitro-4-pyridinamine, 3-Nitro-pyridin-4-ylamine, 3-Nitro-4-Aminopyridine, 3-nitro-4-pyridylamine, 3-Nitro-4-pyridinamine #, Pyridine, 4-amino-3-nitro-, 3-nitro-4-amino pyridine, 3-3-Nitro-4-aminopyridine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Amino-3-nitropyridine?

The CAS Registry Number of 4-Amino-3-nitropyridine is 1681-37-4. It is also known as 4-Pyridinamine, 3-nitro-, 3-Nitro-4-pyridinamine, 3-Nitro-pyridin-4-ylamine.

What is the molecular formula and molecular weight of 4-Amino-3-nitropyridine?

4-Amino-3-nitropyridine has the molecular formula C5H5N3O2 and a molecular weight of 139.11 g/mol. Its IUPAC name is 3-nitropyridin-4-amine.

What is 4-Amino-3-nitropyridine used for?

4-Amino-3-nitropyridine is supplied as a characterised reference material related to Amifampridine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 4-Amino-3-nitropyridine can I order?

We supply 4-Amino-3-nitropyridine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Amino-3-nitropyridine?

Yes. Every lot of 4-Amino-3-nitropyridine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Amino-3-nitropyridine be shipped internationally?

Yes. 4-Amino-3-nitropyridine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.