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ChemicalBook >> CAS DataBase List >> 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one price.
  • $11 - $1958.88
  • Product name: 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
  • CAS: 19735-89-8
  • MF: C10H10N2O
  • MW: 174.2
  • EINECS:243-261-8
  • MDL Number:MFCD00127930
  • Synonyms:1,2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one;1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one;2-Phenyl-5-methyl-1,2-dihydro-3H-pyrazole-3-one;2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one;5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one;1,2-Dihydro-5-methyl;5-Methyl-2-phenyl-1H-pyrazol-3(2H)-one;3H-Pyrazol-3-one,1,2-dihydro-5-methyl-2-phenyl-
Price23 Properties Safety Information Description
23 prices
Selected condition：
Brand
  • aablocks
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • AOBChem
  • Chemenu
  • Matrix Scientific
Package
  • 1G
  • 5g
  • 10g
  • 25g
  • 100g
  • 500g
  • 1kg
  • Manufactureraablocks
  • Product numberAA002AP6
  • Product description1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98%
  • Packaging500g
  • Price$174
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002AP6
  • Product description1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98%
  • Packaging1kg
  • Price$285
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002AP6
  • Product description1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98%
  • Packaging100g
  • Price$52
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002AP6
  • Product description1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98%
  • Packaging25g
  • Price$24
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002AP6
  • Product description1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one ≥98%
  • Packaging5g
  • Price$11
  • Updated2026-05-28
  • Buy
  • ManufacturerAlichem
  • Product number19735898
  • Product description5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
  • Packaging500g
  • Price$282.15
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA607737
  • Product description5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+%
  • Packaging500g
  • Price$424
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA607737
  • Product description5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+%
  • Packaging100g
  • Price$125
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA607737
  • Product description5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+%
  • Packaging5g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA607737
  • Product description5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+%
  • Packaging25g
  • Price$42
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0094340
  • Product description1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00%
  • Packaging1G
  • Price$1034.88
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0094340
  • Product description1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00%
  • Packaging5G
  • Price$1958.88
  • Updated2021-12-16
  • Buy
  • ManufacturerAOBChem
  • Product numberA27016
  • Product description5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ≥97%
  • Packaging100g
  • Price$79
  • Updated2026-05-26
  • Buy
  • ManufacturerAOBChem
  • Product numberA27016
  • Product description5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ≥97%
  • Packaging25g
  • Price$33
  • Updated2026-05-26
  • Buy
  • ManufacturerAOBChem
  • Product number27016
  • Product description5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 97%
  • Packaging100g
  • Price$130
  • Updated2021-12-16
  • Buy
  • ManufacturerAOBChem
  • Product numberA27016
  • Product description5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ≥97%
  • Packaging500g
  • Price$243
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002AP6 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98% 500g $174 2026-05-28 Buy
aablocks AA002AP6 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98% 1kg $285 2026-05-28 Buy
aablocks AA002AP6 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98% 100g $52 2026-05-28 Buy
aablocks AA002AP6 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 98% 25g $24 2026-05-28 Buy
aablocks AA002AP6 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one ≥98% 5g $11 2026-05-28 Buy
Alichem 19735898 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 500g $282.15 2021-12-16 Buy
Ambeed A607737 5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+% 500g $424 2021-12-16 Buy
Ambeed A607737 5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+% 100g $125 2021-12-16 Buy
Ambeed A607737 5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+% 5g $14 2021-12-16 Buy
Ambeed A607737 5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 98+% 25g $42 2021-12-16 Buy
American Custom Chemicals Corporation CHM0094340 1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00% 1G $1034.88 2021-12-16 Buy
American Custom Chemicals Corporation CHM0094340 1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00% 5G $1958.88 2021-12-16 Buy
AOBChem A27016 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ≥97% 100g $79 2026-05-26 Buy
AOBChem A27016 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ≥97% 25g $33 2026-05-26 Buy
AOBChem 27016 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 97% 100g $130 2021-12-16 Buy
AOBChem A27016 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ≥97% 500g $243 2026-05-26 Buy
Next Last

Properties

Melting point :128°C
Boiling point :305.17°C (rough estimate)
Density :1.2600
refractive index :1.6370 (estimate)
storage temp. :Store at room temperature
pka :0.10±0.40(Predicted)
Appearance :Light yellow to yellow Solid
CAS DataBase Reference :19735-89-8
EPA Substance Registry System :1-Phenyl-3-methyl-5-pyrazolone (19735-89-8)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

ChEBI: Demethylated antipyrine is a ring assembly and a member of pyrazoles.

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Suppliers and manufacturers

career henan chemical co
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
$6.60
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one CAS:19735-89-8
Shaanxi Dideu Medichem Co. Ltd
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one CAS:19735-89-8
Capot Chemical Co.,Ltd.
Henan Tianfu Chemical Co.,Ltd.
Shenzhen Nexconn Pharmatechs Ltd
Standardpharm Co. Ltd.
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Neostar United (Changzhou) Industrial Co., Ltd.
SIMAGCHEM CORP