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API ImpuritiesReference StandardAvailable on request

1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)

Synonyms: 5-Methylpyridin-2-one Pirfenidone · Pirfenidone 5-Methylpyridin-2-one · 2,3,4-Trihydroxybenzaldehyde Hydrazone · 1,1'-(1,4-Phenylene)bis[5-methyl-2(1H)-pyridinone]

CAS No.2251047-36-4
FormulaC18H16N2O2
Mol. weight292.30
Catalogue No.VQ-033126
PurityReference Standard
HSN38229090

1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) (CAS 2251047-36-4) – Pirfenidone impurity standard. C18H16N2O2, MW 292.3. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available
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25 mg
50 mg
100 mg
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About 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)

1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) is an impurity of Pirfenidone carrying the CAS registry number 2251047-36-4. The compound has the formula C18H16N2O2, corresponding to a molecular weight of 292.3 g/mol. The IUPAC name is 5-methyl-1-[4-(5-methyl-2-oxo-1-pyridinyl)phenyl]pyridin-2-one. It is also known as 5-Methylpyridin-2-one Pirfenidone or Pirfenidone 5-Methylpyridin-2-one.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Pirfenidone 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, 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) 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 Pirfenidone

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

Pirfenidone impurities

Specifications & identifiers

Chemical identifiers
Product name1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)
Catalogue No.VQ-033126
CAS Number2251047-36-4
IUPAC name5-methyl-1-[4-(5-methyl-2-oxo-1-pyridinyl)phenyl]pyridin-2-one
Molecular formulaC18H16N2O2
Molecular weight292.3 g/mol
Exact mass292.1212
GradeReference Standard
HSN code38229090
InChIKeyRLBFFAUFRAIGRD-UHFFFAOYSA-N
SMILESCC1=CN(C(=O)C=C1)C2=CC=C(C=C2)N3C=C(C=CC3=O)C
PubChem CID49835255
Physical properties
Physical formSolid
LogP (XLogP3)1.8
H-bond donors / acceptors0 / 2
TPSA40.6 Ų
Synonyms5-Methylpyridin-2-one Pirfenidone, Pirfenidone 5-Methylpyridin-2-one, 2,3,4-Trihydroxybenzaldehyde Hydrazone, 1,1'-(1,4-Phenylene)bis[5-methyl-2(1H)-pyridinone], 5-Methyl-1-[4-(5-methyl-2-oxo-1,2-dihydropyridin-1-yl)phenyl]-1,2-dihydropyridin-2-one

Documents

Frequently asked questions

What is the CAS number of 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)?

The CAS Registry Number of 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) is 2251047-36-4. It is also known as 5-Methylpyridin-2-one Pirfenidone, Pirfenidone 5-Methylpyridin-2-one, 2,3,4-Trihydroxybenzaldehyde Hydrazone.

What is the molecular formula and molecular weight of 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)?

1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) has the molecular formula C18H16N2O2 and a molecular weight of 292.3 g/mol. Its IUPAC name is 5-methyl-1-[4-(5-methyl-2-oxo-1-pyridinyl)phenyl]pyridin-2-one.

What is 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) used for?

1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) is supplied as a characterised reference material related to Pirfenidone. 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 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) can I order?

We supply 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) 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 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)?

Yes. Every lot of 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) 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 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) be shipped internationally?

Yes. We export 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Related products

Reference Standard
Pirfenidone-d3 chemical structure
Pirfenidone-d3
CAS
1093951-85-9
Formula
C12H11NO
MW
188.24 g/mol
VQ-033128

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