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ChemicalBook >> CAS DataBase List >> 2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one

2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one

2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one price.
  • $16 - $4608.45
  • Product name: 2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one
  • CAS: 277299-70-4
  • MF: C12H14N2O
  • MW: 202.25
  • EINECS:1592732-453-0
  • MDL Number:MFCD09795980
  • Synonyms:2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one;Eltrombopag Impurity 35;2-(3,4-dimethylphenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one;Eltrombopag Intermediate 1;EltroMbopag II;2-Oxo-2,4,5,6,7,7a-Hexahydrothieno [3,2-c] Pyridine;1-(3,4-diMethylphenyl)-3-Methyl-1H-pyrazol-5-ol;1H-pyrazol-3(2H)-one,2-(3,4-Dimethylphenyl)-5-methyl-
Price32 Properties Safety Information Description
32 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Chemcia Scientific
  • Chemenu
  • Chem-Impex
  • Crysdot
  • SynChem
  • Synthonix
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 1g
  • 5g
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  • 500G
  • 1000g
  • Manufactureraablocks
  • Product numberAA002UIP
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95%
  • Packaging1g
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002UIP
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95%
  • Packaging5g
  • Price$58
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002UIP
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95%
  • Packaging25g
  • Price$252
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberY6618
  • Product description2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one
  • Packaging5g
  • Price$156
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ96725
  • Product description2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one
  • Packaging1g
  • Price$34
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number277299704
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one
  • Packaging5g
  • Price$216
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number277299704
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one
  • Packaging10g
  • Price$368.6
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number277299704
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one
  • Packaging25g
  • Price$790.4
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA306666
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95%
  • Packaging25g
  • Price$239
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA306666
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95%
  • Packaging1g
  • Price$20
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA306666
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95%
  • Packaging5g
  • Price$66
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPN0000595
  • Product description2-(3,4-DIMETHYL-PHENYL)-5-METHYL-1,2-DIHYDRO-PYRAZOL-3-ONE 95.00%
  • Packaging1G
  • Price$975.45
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPN0000595
  • Product description2-(3,4-DIMETHYL-PHENYL)-5-METHYL-1,2-DIHYDRO-PYRAZOL-3-ONE 95.00%
  • Packaging500G
  • Price$4608.45
  • Updated2021-12-16
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberCC00-7652
  • Product description2-(3,4-Dimethyl-phenyl)-5-methyl-1,2-dihydro-pyrazol-3-one 95%
  • Packaging1G
  • Price$495
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberCC00-7652
  • Product description2-(3,4-Dimethyl-phenyl)-5-methyl-1,2-dihydro-pyrazol-3-one 95%
  • Packaging5G
  • Price$1735
  • Updated2026-05-24
  • Buy
  • ManufacturerChemenu
  • Product numberCM188240
  • Product description2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 98%
  • Packaging1000g
  • Price$503
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002UIP 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95% 1g $16 2026-05-28 Buy
aablocks AA002UIP 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95% 5g $58 2026-05-28 Buy
aablocks AA002UIP 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95% 25g $252 2026-05-28 Buy
AK Scientific Y6618 2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one 5g $156 2021-12-16 Buy
AK Scientific J96725 2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one 1g $34 2021-12-16 Buy
Alichem 277299704 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 5g $216 2021-12-16 Buy
Alichem 277299704 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 10g $368.6 2021-12-16 Buy
Alichem 277299704 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 25g $790.4 2021-12-16 Buy
Ambeed A306666 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95% 25g $239 2021-12-16 Buy
Ambeed A306666 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95% 1g $20 2021-12-16 Buy
Ambeed A306666 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 95% 5g $66 2021-12-16 Buy
American Custom Chemicals Corporation APN0000595 2-(3,4-DIMETHYL-PHENYL)-5-METHYL-1,2-DIHYDRO-PYRAZOL-3-ONE 95.00% 1G $975.45 2021-12-16 Buy
American Custom Chemicals Corporation APN0000595 2-(3,4-DIMETHYL-PHENYL)-5-METHYL-1,2-DIHYDRO-PYRAZOL-3-ONE 95.00% 500G $4608.45 2021-12-16 Buy
Chemcia Scientific CC00-7652 2-(3,4-Dimethyl-phenyl)-5-methyl-1,2-dihydro-pyrazol-3-one 95% 1G $495 2026-05-24 Buy
Chemcia Scientific CC00-7652 2-(3,4-Dimethyl-phenyl)-5-methyl-1,2-dihydro-pyrazol-3-one 95% 5G $1735 2026-05-24 Buy
Chemenu CM188240 2-(3,4-Dimethylphenyl)-5-methyl-1H-pyrazol-3(2H)-one 98% 1000g $503 2021-12-16 Buy
Next Last

Properties

Melting point :121.0 to 125.0 °C
Boiling point :338.5±52.0 °C(Predicted)
Density :1.121
storage temp. :Sealed in dry,Room Temperature
solubility :Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form :Solid
pka :0.79±0.40(Predicted)
color :Pale Beige to Light Beige
InChI :InChI=1S/C12H14N2O/c1-8-4-5-11(6-9(8)2)14-12(15)7-10(3)13-14/h4-7,13H,1-3H3
InChIKey :HBWBJCSXUJIDGN-UHFFFAOYSA-N
SMILES :N1C(C)=CC(=O)N1C1=CC=C(C)C(C)=C1

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:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P501 Dispose of contents/container to..…

Description

2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one, is an impurity of Eltrombopag (E508000), which is agonist of the Thrombopoietin (Tpo) receptor, used as treatment for thrombocytopenia.

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Suppliers and manufacturers

Anhui Sun-wise Pharmaceutical Co., Ltd. Jiangsu Vcare PharmaTech Co., Ltd. Jinan XuanDe Chemical Co., Ltd. Chengdu D-innovation Pharmaceutical Co.，LTD Shandong Xuanshuo Pharmaceutical Technology Co. LTD J & K SCIENTIFIC LTD. ZHIWE CHEMTECH CO LTD JinYan Chemicals(ShangHai) Co.,Ltd. Jia Xing Isenchem Co.,Ltd Nanjing Chemlin Chemical Co., Ltd