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-(3-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

90-31-3

90-31-3 structure

90-31-3 structure

Name: 1-(3-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
Chemical Name: 2-(3-chlorophenyl)-5-methyl-4H-pyrazol-3-one
CAS Number: 90-31-3
Molecular Formula: C₁₀H₉ClN₂O
Molecular Weight: 208.64400
Catalog: Natural product Flavonoids
Create Date: 2018-12-15 13:56:23
Modify Date: 2026-07-01 16:56:21

Name	2-(3-chlorophenyl)-5-methyl-4H-pyrazol-3-one
Synonyms	chloropyrazolone 1-(3-chlorophenyl)-3-methyl-1H-pyrazol-5(4H))-one 2-(3-chlorophenyl)-2,4-dihydro-5-methyl-3h-pyrazol-3-on 1-(3-Chloro Phenyl)-3-Methly-5-Pyrazolone EINECS 201-984-6 m-chloropyrazolone 2-pyrazolin-5-one, 1-(m-chlorophenyl)-3-methyl 1-(M-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE 1-(M-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE LABOTEST-BB LT01289017 1-(3-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE 2-(3-chlorophenyl)-5-methyl-1H-pyrazol-3-one TIANUF-CHEM_-3 1-(3-CHLOROPHENYL)-3-METHYL-4,5-DIHYDRO-1H-PYRAZOL-5-ONE 2-(3-Chlorphenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-on 1-(3-CHLOROPHENYL)-3-METHYL-4,5-DIHYDRO-1H-PYRAZOL-5-ONE 2-(3-chlorophenyl)-2,4-dihydro-5-methyl-3H-Pyrazol-3-one 3-methyl-1-(3-chlorophenyl)-2-pyrazolin-5-one 1-(3-CHLOROPHENYL)-3-METHYLPYRAZOL-5-ONE 1-(3-Chlorophenyl)-3-methyl-5-pyrazolone(3MP) 3H-Pyrazol-3-one, 2-(3-chlorophenyl)-2,4-dihydro-5-methyl 1-(3-Chlorophenyl)-3-methyl-5(4H)-pyrazolone MFCD00020750

Density	1.32g/cm3
Boiling Point	382.9ºC at 760 mmHg
Melting Point	128-131ºC
Molecular Formula	C₁₀H₉ClN₂O
Molecular Weight	208.64400
Flash Point	185.4ºC
Exact Mass	208.04000
PSA	32.67000
LogP	1.95320
Index of Refraction	1.625

Hazard Codes	Xi: Irritant;
Risk Phrases	36/37/38
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2933199090

2312-23-4 structure

2312-23-4

141-97-9 structure

141-97-9

~%

90-31-3 structure

90-31-3

Literature: Tetrahedron Letters, , vol. 53, # 49 p. 6650 - 6653

141-97-9 structure

141-97-9

14763-20-3 structure

14763-20-3

~%

90-31-3 structure

90-31-3

Literature: Journal of Heterocyclic Chemistry, , vol. 49, # 5 p. 1169 - 1178

Precursor 3
2312-23-4 141-97-9 14763-20-3
DownStream 0

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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