(5-METHYL-4,5-DIHYDRO-1H-PYRAZOL-1-YL)(PYRIDIN-3-YL)METHANONE

Modify Date: 2025-12-10 09:04:42

(5-METHYL-4,5-DIHYDRO-1H-PYRAZOL-1-YL)(PYRIDIN-3-YL)METHANONE structure	Common Name	(5-METHYL-4,5-DIHYDRO-1H-PYRAZOL-1-YL)(PYRIDIN-3-YL)METHANONE
	CAS Number	121306-58-9	Molecular Weight	189.21400
	Density	1.23g/cm3	Boiling Point	323.4ºC at 760mmHg
	Molecular Formula	C₁₀H₁₁N₃O	Melting Point	N/A
	MSDS	N/A	Flash Point	149.4ºC

Name	(3-methyl-3,4-dihydropyrazol-2-yl)-pyridin-3-ylmethanone

Density	1.23g/cm3
Boiling Point	323.4ºC at 760mmHg
Molecular Formula	C₁₀H₁₁N₃O
Molecular Weight	189.21400
Flash Point	149.4ºC
Exact Mass	189.09000
PSA	45.56000
LogP	0.67530
Vapour Pressure	0.000263mmHg at 25°C
Index of Refraction	1.626
InChIKey	KKMMIKKVFRCZBO-UHFFFAOYSA-N
SMILES	CC1CC=NN1C(=O)c1cccnc1

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6477434

CHEMICAL NAME :: 1H-Pyrazole, 4,5-dihydro-5-methyl-1-(3-pyridinylcarbonyl)-

CAS REGISTRY NUMBER :: 121306-58-9

LAST UPDATED :: 199606

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H11-N3-O

MOLECULAR WEIGHT :: 189.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 850 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4990529

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