Nifuratel - Impurity B | CAS 736-53-8

Name: Nifuratel - Impurity B
Brand: Vaqora Chemicals
SKU: VQ-043243

About Nifuratel - Impurity B

Listed under CAS 736-53-8, Nifuratel - Impurity B is an impurity of Nifuratel available from Vaqora Chemicals. Formula C10H6N4O6, molecular weight 278.18 g/mol. Its systematic (IUPAC) name is 1-(5-nitrofuran-2-yl)-N-[(5-nitrofuran-2-yl)methylideneamino]methanimine. Common synonyms include Nitrofural EP Impurity A and bis[(5-nitrofuran-2-yl)methylidene]hydrazine.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Nifuratel, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Nifuratel - Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Nifuratel

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

Nifuratel impurities

Specifications & identifiers

Chemical identifiers
Product name	Nifuratel - Impurity B
Catalogue No.	VQ-043243
CAS Number	736-53-8
IUPAC name	1-(5-nitrofuran-2-yl)-N-[(5-nitrofuran-2-yl)methylideneamino]methanimine
Molecular formula	C₁₀H₆N₄O₆
Molecular weight	278.18 g/mol
Exact mass	278.0287
Grade	Reference Standard
HSN code	38229090
InChIKey	LIELVKLOFLWIGJ-UHFFFAOYSA-N
SMILES	C1=C(OC(=C1)[N+](=O)[O-])C=NN=CC2=CC=C(O2)[N+](=O)[O-]
PubChem CID	101848

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	0 / 8
TPSA	143 Å²
Synonyms	Nitrofural EP Impurity A, 5-Nitro-2-furancarboxaldehyde 2-((5-nitro-2-furanyl)methylene)hydrazone, bis[(5-nitrofuran-2-yl)methylidene]hydrazine, 1,2-Bis((5-nitrofuran-2-yl)methylene)hydrazine, 1-(5-nitro-2-furyl)-N-[(5-nitro-2-furyl)methyleneamino]methanimine

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer

Precautionary statements: P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, 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 Nifuratel - Impurity B?

The CAS Registry Number of Nifuratel - Impurity B is 736-53-8. It is also known as Nitrofural EP Impurity A, 5-Nitro-2-furancarboxaldehyde 2-((5-nitro-2-furanyl)methylene)hydrazone, bis[(5-nitrofuran-2-yl)methylidene]hydrazine.

What is the molecular formula and molecular weight of Nifuratel - Impurity B?

Nifuratel - Impurity B has the molecular formula C10H6N4O6 and a molecular weight of 278.18 g/mol. Its IUPAC name is 1-(5-nitrofuran-2-yl)-N-[(5-nitrofuran-2-yl)methylideneamino]methanimine.

What is Nifuratel - Impurity B used for?

Nifuratel - Impurity B is supplied as a characterised reference material related to Nifuratel. 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 Nifuratel - Impurity B can I order?

We supply Nifuratel - Impurity B 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 Nifuratel - Impurity B?

Yes. Every lot of Nifuratel - Impurity B 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 Nifuratel - Impurity B be shipped internationally?

Yes. Nifuratel - Impurity B 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.