6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridaz… 36725-28-7

Name: 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one
Brand: Vaqora Chemicals
SKU: VQ-026453

About 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one

Listed under CAS 36725-28-7, 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one is an impurity of Levosimendan available from Vaqora Chemicals. Formula C11H13N3O, molecular weight 203.24 g/mol. Systematically, it is named 3-(4-aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one. Alternative names: Levosimendan dazinones intermediates.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Levosimendan to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are 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

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

Industries

Related to Levosimendan

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

Levosimendan impurities

Specifications & identifiers

Chemical identifiers
Product name	6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one
Catalogue No.	VQ-026453
CAS Number	36725-28-7
IUPAC name	3-(4-aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one
Molecular formula	C₁₁H₁₃N₃O
Molecular weight	203.24 g/mol
Exact mass	203.1059
Grade	Reference Standard
HSN code	38229090
InChIKey	GDMRFHZLKNYRRO-UHFFFAOYSA-N
SMILES	CC1CC(=O)NN=C1C2=CC=C(C=C2)N
PubChem CID	161928

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	2 / 3
TPSA	67.5 Å²
Synonyms	6-(4-Aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone, 3(2H)-Pyridazinone, 6-(4-aminophenyl)-4,5-dihydro-5-methyl-, 6-(4-Aminophenyl)-5-methyl-4,5-dihydro-2H-pyridazin-3-one, Levosimendan dazinones intermediates, 6-(4-Aminophenyl)-4,5-dihydro-5-methyl-3(2H)pyridazinone, 3(4-Aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one, 6-(p-aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone, 6-(4-aminophenyl)-5-methyl-2,3,4,5-tetrahydropyridazin-3-one, 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3-ol, 4,5-dihydro-6-(4-aminophenyl)-5-methyl-3(2H)-pyridazinone, 6-(p-aminophenyl)-5-methyl-4,5-dihydro-3(2H)-pyridazinone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one?

The CAS Registry Number of 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one is 36725-28-7. It is also known as 6-(4-Aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone, 3(2H)-Pyridazinone, 6-(4-aminophenyl)-4,5-dihydro-5-methyl-, 6-(4-Aminophenyl)-5-methyl-4,5-dihydro-2H-pyridazin-3-one.

What is the molecular formula and molecular weight of 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one?

6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one has the molecular formula C11H13N3O and a molecular weight of 203.24 g/mol. Its IUPAC name is 3-(4-aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one.

What is 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one used for?

6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one is supplied as a characterised reference material related to Levosimendan. 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 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one can I order?

We supply 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-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 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one?

Yes. Every lot of 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-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 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one be shipped internationally?

Yes. 6-(4-Aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one 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.