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ChemicalBook >> CAS DataBase List >> 1,3,5Pyrazolone

1,3,5Pyrazolone

1,3,5Pyrazolone price.
  • $7 - $1466
  • Product name: 1,3,5Pyrazolone
  • CAS: 137-44-0
  • MF: C3H4N2O
  • MW: 84.08
  • EINECS:
  • MDL Number:MFCD00127223
  • Synonyms:5-PYRAZOLONE;2-Pyrazolin-5-one;3H-Pyrazol-3-one, 2,4-dihydro-;NSC 243823;2,4-Dihydro-pyrazol-3-one;1,4-dihydropyrazol-5-one;1H-pyrazol-5(4H)-one;1,3,5Pyrazolone
Price35 Properties Safety Information Description
35 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Chemenu
  • Chem-Impex
  • ChemScene
  • Crysdot
  • Labseeker
  • Synthonix
  • TCI Chemical
Package
  • 5MG
  • 200MG
  • 250mg
  • 1g
  • 5g
  • 10g
  • 25g
  • 30g
  • 100g
  • Manufactureraablocks
  • Product numberAA0012LH
  • Product description1H-Pyrazol-5(4H)-one 97%
  • Packaging1g
  • Price$7
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0012LH
  • Product description1H-Pyrazol-5(4H)-one 97%
  • Packaging5g
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0012LH
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging10g
  • Price$28
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0012LH
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging25g
  • Price$58
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0012LH
  • Product description1H-Pyrazol-5(4H)-one 96%
  • Packaging100g
  • Price$228
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW157576
  • Product description1H-pyrazol-5(4H)-one 97%
  • Packaging100G
  • Price$330
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW157576
  • Product description1H-pyrazol-5(4H)-one 97%
  • Packaging25G
  • Price$110
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product numberZ4130
  • Product description1H-Pyrazol-5(4H)-one
  • Packaging1g
  • Price$188
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number137440
  • Product description1H-Pyrazol-5(4h)-one
  • Packaging5g
  • Price$243.15
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number137440
  • Product description1H-Pyrazol-5(4h)-one
  • Packaging10g
  • Price$396.3
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA264343
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging25g
  • Price$321
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA264343
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging10g
  • Price$204
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA264343
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging5g
  • Price$109
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA264343
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging1g
  • Price$57
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA264343
  • Product description1H-Pyrazol-5(4H)-one 95%
  • Packaging250mg
  • Price$25
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0151131
  • Product description5-PYRAZOLONE 95.00%
  • Packaging5MG
  • Price$503.04
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0012LH 1H-Pyrazol-5(4H)-one 97% 1g $7 2026-05-28 Buy
aablocks AA0012LH 1H-Pyrazol-5(4H)-one 97% 5g $16 2026-05-28 Buy
aablocks AA0012LH 1H-Pyrazol-5(4H)-one 95% 10g $28 2026-05-28 Buy
aablocks AA0012LH 1H-Pyrazol-5(4H)-one 95% 25g $58 2026-05-28 Buy
aablocks AA0012LH 1H-Pyrazol-5(4H)-one 96% 100g $228 2026-05-28 Buy
ACHEMBLOCK W157576 1H-pyrazol-5(4H)-one 97% 100G $330 2026-05-27 Buy
ACHEMBLOCK W157576 1H-pyrazol-5(4H)-one 97% 25G $110 2026-05-27 Buy
AK Scientific Z4130 1H-Pyrazol-5(4H)-one 1g $188 2021-12-16 Buy
Alichem 137440 1H-Pyrazol-5(4h)-one 5g $243.15 2021-12-16 Buy
Alichem 137440 1H-Pyrazol-5(4h)-one 10g $396.3 2021-12-16 Buy
Ambeed A264343 1H-Pyrazol-5(4H)-one 95% 25g $321 2021-12-16 Buy
Ambeed A264343 1H-Pyrazol-5(4H)-one 95% 10g $204 2021-12-16 Buy
Ambeed A264343 1H-Pyrazol-5(4H)-one 95% 5g $109 2021-12-16 Buy
Ambeed A264343 1H-Pyrazol-5(4H)-one 95% 1g $57 2021-12-16 Buy
Ambeed A264343 1H-Pyrazol-5(4H)-one 95% 250mg $25 2021-12-16 Buy
American Custom Chemicals Corporation CHM0151131 5-PYRAZOLONE 95.00% 5MG $503.04 2021-12-16 Buy
Next Last

Properties

Melting point :268℃
Boiling point :143-144℃ (0.3 Torr)
Density :1.44±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
form :powder to lump
pka :13.06±0.20(Predicted)
color :White to Light yellow
InChI :InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h2H,1H2,(H,5,6)
InChIKey :ZRHUHDUEXWHZMA-UHFFFAOYSA-N
SMILES :N1=CCC(=O)N1
CAS DataBase Reference :137-44-0

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
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 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
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
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.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

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Suppliers and manufacturers

Nanjing Chemcn Pharmaceutical Co., Ltd. PharmaBlock Sciences (Nanjing),Inc. Beijing Ouhe Technology Co., Ltd Nanjing Chemlin Chemical Co., Ltd Syntechem Co.,Ltd Acorn PharmaTech Co., Ltd. TOKYO CHEMICAL INDUSTRY CO., LTD. Bide Pharmatech Ltd. Shanghai Balmxy Pharmaceutical Co., Ltd Mashilabs (Shanghai) Co.,Ltd.