4-Aminopyridine 1-oxide

Name: 4-Aminopyridine 1-oxide
Brand: Vaqora Chemicals
SKU: VQ-013083

About 4-Aminopyridine 1-oxide

Vaqora Chemicals supplies 4-Aminopyridine 1-oxide, a process intermediate or related compound of Dalfampridine registered under CAS number 3535-75-9. With the molecular formula C5H6N2O, it has a molar mass of 110.11 g/mol. Systematically, it is named 1-hydroxypyridin-4-imine. Alternative names: Pyridin-4-amine 1-oxide and 4-Aminopyridine N-oxide.

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. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

It is a process intermediate or related compound in the synthesis of Dalfampridine, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Dalfampridine

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

Dalfampridine impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Aminopyridine 1-oxide
Catalogue No.	VQ-013083
CAS Number	3535-75-9
IUPAC name	1-hydroxypyridin-4-imine
Molecular formula	C₅H₆N₂O
Molecular weight	110.11 g/mol
Exact mass	110.048
Grade	Reference Standard
HSN code	2933
InChIKey	SJQWWHFNDOUAGY-UHFFFAOYSA-N
SMILES	C1=CN(C=CC1=N)O
PubChem CID	19055

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	2 / 3
TPSA	47.3 Å²
Synonyms	Pyridin-4-amine 1-oxide, 4-Aminopyridine N-oxide, Phillips 1863, 4-Pyridinamine, 1-oxide, 4-Pyrimidinamine 1-oxide, Pyridine, 4-amino-, N-oxide, 5-22-09-00111 (Beilstein Handbook Reference), 4-Pyridinamine 1-Oxide, 4-aminopyridin-1-ium-1-olate, Pyridine, N-oxide, 4-Amino pyridine-N-oxide, pyridine, 1-oxide, 4-amino-

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, 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-Aminopyridine 1-oxide?

The CAS Registry Number of 4-Aminopyridine 1-oxide is 3535-75-9. It is also known as Pyridin-4-amine 1-oxide, 4-Aminopyridine N-oxide, Phillips 1863.

What is the molecular formula and molecular weight of 4-Aminopyridine 1-oxide?

4-Aminopyridine 1-oxide has the molecular formula C5H6N2O and a molecular weight of 110.11 g/mol. Its IUPAC name is 1-hydroxypyridin-4-imine.

What is 4-Aminopyridine 1-oxide used for?

4-Aminopyridine 1-oxide is supplied as a characterised reference material related to Dalfampridine. 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-Aminopyridine 1-oxide can I order?

We supply 4-Aminopyridine 1-oxide 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-Aminopyridine 1-oxide?

Yes. Every lot of 4-Aminopyridine 1-oxide 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-Aminopyridine 1-oxide be shipped internationally?

Yes. 4-Aminopyridine 1-oxide 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.