Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Cyclohexylcarbonyl-5-phenyl-2-pyrazoline
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

121306-83-0

121306-83-0 structure

121306-83-0 structure

Name: 1-Cyclohexylcarbonyl-5-phenyl-2-pyrazoline
Chemical Name: cyclohexyl-(3-phenyl-3,4-dihydropyrazol-2-yl)methanone
CAS Number: 121306-83-0
Molecular Formula: C₁₆H₂₀N₂O
Molecular Weight: 256.34300
Create Date: 2016-01-21 05:13:48
Modify Date: 2025-09-19 17:48:05

Name	cyclohexyl-(3-phenyl-3,4-dihydropyrazol-2-yl)methanone
Synonyms	1-Cyclohexylcarbonyl-5-phenyl-2-pyrazoline

Density	1.17g/cm3
Boiling Point	400.1ºC at 760mmHg
Molecular Formula	C₁₆H₂₀N₂O
Molecular Weight	256.34300
Flash Point	195.8ºC
Exact Mass	256.15800
PSA	32.67000
LogP	2.89960
Vapour Pressure	1.3E-06mmHg at 25°C
Index of Refraction	1.621

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6477386

CHEMICAL NAME :: 1H-Pyrazole, 4,5-dihydro-1-(cyclohexylcarbonyl)-5-phenyl-

CAS REGISTRY NUMBER :: 121306-83-0

LAST UPDATED :: 199606

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C16-H20-N2-O

MOLECULAR WEIGHT :: 256.38

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 :: 630 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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