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ChemicalBook >> CAS DataBase List >> 3-Methyl-3-pyrazolin-5-one

3-Methyl-3-pyrazolin-5-one

3-Methyl-3-pyrazolin-5-one price.
  • $7 - $808.96
  • Product name: 3-Methyl-3-pyrazolin-5-one
  • CAS: 4344-87-0
  • MF: C4H6N2O
  • MW: 98.1
  • EINECS:
  • MDL Number:MFCD00010705
  • Synonyms:AKOS B028792;3-METHYL-3-PYRAZOLIN-5-ONE;3 METHYLPYRAZOLONE;3-METHYL-3-PARAZOLIN-5-ONE;3-METHYL-2-PYRAZOLIN-5-ONE (PILOT);1,2-Dihydro-3-methyl-5H-pyrazol-5-one;3-Hydroxy-5-methyl-1H-pyrazole;3-Methyl-3-pyrazoline-5-one
Price19 Properties Safety Information Description
19 prices
Selected condition：
Brand
  • AHH
  • Ambeed
  • American Custom Chemicals Corporation
  • Chemenu
  • ChemScene
  • Crysdot
  • Matrix Scientific
  • Sigma-Aldrich
  • SynQuest Laboratories
Package
  • 1G
  • 2.5G
  • 5G
  • 10g
  • 25g
  • 100g
  • 500g
  • 1000g
  • ManufacturerAHH
  • Product numberMT-18764
  • Product description3-Methyl-3-pyrazolin-5-one 98%
  • Packaging500g
  • Price$490
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA101431
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging500g
  • Price$104
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA101431
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging100g
  • Price$23
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA101431
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging25g
  • Price$9
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA101431
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging10g
  • Price$7
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0034607
  • Product description3-METHYL-3-PYRAZOLIN-5-ONE 95.00%
  • Packaging1G
  • Price$597.87
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0034607
  • Product description3-METHYL-3-PYRAZOLIN-5-ONE 95.00%
  • Packaging2.5G
  • Price$746.88
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0034607
  • Product description3-METHYL-3-PYRAZOLIN-5-ONE 95.00%
  • Packaging5G
  • Price$808.96
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM120437
  • Product description5-Methyl-1,2-dihydropyrazol-3-one 95+%
  • Packaging500g
  • Price$104
  • Updated2021-12-16
  • Buy
  • ManufacturerChemScene
  • Product numberCS-W013725
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98.83%
  • Packaging500g
  • Price$93
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11124313
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging100g
  • Price$49
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11124313
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging500g
  • Price$99
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11124313
  • Product description5-Methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging1000g
  • Price$149
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number072859
  • Product description3-Methyl-5-hydroxypyrazole 95+%
  • Packaging25g
  • Price$20
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number072859
  • Product description3-Methyl-5-hydroxypyrazole 95+%
  • Packaging100g
  • Price$49
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number303062
  • Product description3-Methyl-3-pyrazolin-5-one 98%
  • Packaging25g
  • Price$50.1
  • Updated2023-06-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-18764 3-Methyl-3-pyrazolin-5-one 98% 500g $490 2021-12-16 Buy
Ambeed A101431 5-Methyl-1H-pyrazol-3(2H)-one 98% 500g $104 2021-12-16 Buy
Ambeed A101431 5-Methyl-1H-pyrazol-3(2H)-one 98% 100g $23 2021-12-16 Buy
Ambeed A101431 5-Methyl-1H-pyrazol-3(2H)-one 98% 25g $9 2021-12-16 Buy
Ambeed A101431 5-Methyl-1H-pyrazol-3(2H)-one 98% 10g $7 2021-12-16 Buy
American Custom Chemicals Corporation CHM0034607 3-METHYL-3-PYRAZOLIN-5-ONE 95.00% 1G $597.87 2021-12-16 Buy
American Custom Chemicals Corporation CHM0034607 3-METHYL-3-PYRAZOLIN-5-ONE 95.00% 2.5G $746.88 2021-12-16 Buy
American Custom Chemicals Corporation CHM0034607 3-METHYL-3-PYRAZOLIN-5-ONE 95.00% 5G $808.96 2021-12-16 Buy
Chemenu CM120437 5-Methyl-1,2-dihydropyrazol-3-one 95+% 500g $104 2021-12-16 Buy
ChemScene CS-W013725 5-Methyl-1H-pyrazol-3(2H)-one 98.83% 500g $93 2021-12-16 Buy
Crysdot CD11124313 5-Methyl-1H-pyrazol-3(2H)-one 98% 100g $49 2021-12-16 Buy
Crysdot CD11124313 5-Methyl-1H-pyrazol-3(2H)-one 98% 500g $99 2021-12-16 Buy
Crysdot CD11124313 5-Methyl-1H-pyrazol-3(2H)-one 98% 1000g $149 2021-12-16 Buy
Matrix Scientific 072859 3-Methyl-5-hydroxypyrazole 95+% 25g $20 2021-12-16 Buy
Matrix Scientific 072859 3-Methyl-5-hydroxypyrazole 95+% 100g $49 2021-12-16 Buy
Sigma-Aldrich 303062 3-Methyl-3-pyrazolin-5-one 98% 25g $50.1 2023-06-20 Buy
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Properties

Melting point :223-225 °C (lit.)
Density :1.107±0.06 g/cm3(Predicted)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
solubility :1 M NH4OH: soluble25mg/mL, clear, colorless (in methanol)
pka :9.04±0.70(Predicted)
form :solid
color :Off White
CAS DataBase Reference :4344-87-0(CAS DataBase Reference)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.

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Suppliers and manufacturers

career henan chemical co
3-Methyl-3-pyrazolin-5-one
$1.00 /1KG
3-Methyl-3-pyrazolin-5-one CAS:4344-87-0
Hubei xin bonus chemical co. LTD
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
SIMAGCHEM CORP
Hefei TNJ Chemical Industry Co.,Ltd.
Dayang Chem (Hangzhou) Co.,Ltd.
GIHI CHEMICALS CO.,LIMITED
LEAPCHEM CO., LTD.