N,N'-Bis(4-Pyridyl)urea

Name: N,N'-Bis(4-Pyridyl)urea
Brand: Vaqora Chemicals
SKU: VQ-022303

About N,N'-Bis(4-Pyridyl)urea

N,N'-Bis(4-Pyridyl)urea is an impurity of Dalfampridine carrying the CAS registry number 39642-87-0. Its molecular formula is C11H10N4O and its molecular weight is 214.22 g/mol. Systematically, it is named 1,3-dipyridin-4-ylurea. Alternative names: 1,3-Di-(pyridin-4-yl)urea and N,N'-Di-4-pyridinylurea.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

This Dalfampridine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, N,N'-Bis(4-Pyridyl)urea is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Dalfampridine

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

Dalfampridine impurities

Specifications & identifiers

Chemical identifiers
Product name	N,N'-Bis(4-Pyridyl)urea
Catalogue No.	VQ-022303
CAS Number	39642-87-0
IUPAC name	1,3-dipyridin-4-ylurea
Molecular formula	C₁₁H₁₀N₄O
Molecular weight	214.22 g/mol
Exact mass	214.0855
Grade	Reference Standard
HSN code	38229090
InChIKey	QRRGJASIECDXQW-UHFFFAOYSA-N
SMILES	C1=CN=CC=C1NC(=O)NC2=CC=NC=C2
PubChem CID	1082704

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	2 / 3
TPSA	66.9 Å²
Synonyms	1,3-Di-(pyridin-4-yl)urea, N,N'-Di-4-pyridinylurea, Urea, N,N'-di-4-pyridinyl-, 1,3-di(pyridin-4-yl)urea, 1,3-bis(pyridin-4-yl)urea, 1,3-bis(4-pyridyl)urea, N,N inverted exclamation mark -Bis(4-pyridyl)urea

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H311Toxic in contact with skin

Precautionary statements: P262, P264, P270, P280, P301 + P316, P302 + P352, P316, P321, P330, P361 + P364, 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 N,N'-Bis(4-Pyridyl)urea?

The CAS Registry Number of N,N'-Bis(4-Pyridyl)urea is 39642-87-0. It is also known as 1,3-Di-(pyridin-4-yl)urea, N,N'-Di-4-pyridinylurea, Urea, N,N'-di-4-pyridinyl-.

What is the molecular formula and molecular weight of N,N'-Bis(4-Pyridyl)urea?

N,N'-Bis(4-Pyridyl)urea has the molecular formula C11H10N4O and a molecular weight of 214.22 g/mol. Its IUPAC name is 1,3-dipyridin-4-ylurea.

What is N,N'-Bis(4-Pyridyl)urea used for?

N,N'-Bis(4-Pyridyl)urea 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 N,N'-Bis(4-Pyridyl)urea can I order?

We supply N,N'-Bis(4-Pyridyl)urea 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 N,N'-Bis(4-Pyridyl)urea?

Yes. Every lot of N,N'-Bis(4-Pyridyl)urea 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 N,N'-Bis(4-Pyridyl)urea be shipped internationally?

Yes. N,N'-Bis(4-Pyridyl)urea 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.