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ChemicalBook >> CAS DataBase List >> 4-hydroxypyrazole

4-hydroxypyrazole

4-hydroxypyrazole price.
  • $12 - $1298
  • Product name: 4-hydroxypyrazole
  • CAS: 4843-98-5
  • MF: C3H4N2O
  • MW: 84.08
  • EINECS:1592732-453-0
  • MDL Number:MFCD01693118
  • Synonyms:4-hydroxypyrazole;InChI=1/C3H4N2O/c6-3-1-4-5-2-3/h1-2,6H,(H,4,5;Pyrazol-4-ol;4-Hydroxypyrazol;4-Hydroxy-1H-pyrazole;1H-Pyrazol-4-ol;4-HP
Price37 Properties Safety Information Description
37 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • Activate Scientific
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Anichem
  • Atlantic Research Chemicals
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • Synthonix
  • TRC
Package
  • 5MG
  • 100mg
  • 250mg
  • 0.5g
  • 1.00g
  • 1g
  • 2g
  • 5g
  • 10g
  • 25G
  • Manufactureraablocks
  • Product numberAA0033ZR
  • Product description4-Hydroxypyrazole 97%
  • Packaging100mg
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0033ZR
  • Product description4-Hydroxypyrazole 97%
  • Packaging250mg
  • Price$17
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0033ZR
  • Product description4-Hydroxypyrazole 97%
  • Packaging1g
  • Price$32
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0033ZR
  • Product description4-Hydroxypyrazole 97%
  • Packaging5g
  • Price$147
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0033ZR
  • Product description4-Hydroxypyrazole 97%
  • Packaging10g
  • Price$285
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS75404
  • Product description1H-pyrazol-4-ol 97%
  • Packaging5G
  • Price$205
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS75404
  • Product description1H-pyrazol-4-ol 97%
  • Packaging25G
  • Price$750
  • Updated2026-05-27
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS41123-A
  • Product description1H-Pyrazol-4-ol 97%
  • Packaging1g
  • Price$72
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS41123-A
  • Product description1H-Pyrazol-4-ol 97%
  • Packaging5g
  • Price$291
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS41123-A
  • Product description1H-Pyrazol-4-ol 97%
  • Packaging25g
  • Price$1121
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberY1506
  • Product description1H-Pyrazol-4-ol
  • Packaging250mg
  • Price$181
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberY1506
  • Product description1H-Pyrazol-4-ol
  • Packaging5g
  • Price$937
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number4843985
  • Product description1H-Pyrazol-4-ol
  • Packaging1g
  • Price$246.75
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number4843985
  • Product description1H-Pyrazol-4-ol
  • Packaging10g
  • Price$1210.25
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number4843985
  • Product description1H-Pyrazol-4-ol
  • Packaging5g
  • Price$701.95
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberMTB0000558
  • Product description4-HYDROXYPYRAZOLE 95.00%
  • Packaging5MG
  • Price$500.19
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0033ZR 4-Hydroxypyrazole 97% 100mg $12 2026-05-28 Buy
aablocks AA0033ZR 4-Hydroxypyrazole 97% 250mg $17 2026-05-28 Buy
aablocks AA0033ZR 4-Hydroxypyrazole 97% 1g $32 2026-05-28 Buy
aablocks AA0033ZR 4-Hydroxypyrazole 97% 5g $147 2026-05-28 Buy
aablocks AA0033ZR 4-Hydroxypyrazole 97% 10g $285 2026-05-28 Buy
ACHEMBLOCK S75404 1H-pyrazol-4-ol 97% 5G $205 2026-05-27 Buy
ACHEMBLOCK S75404 1H-pyrazol-4-ol 97% 25G $750 2026-05-27 Buy
Activate Scientific AS41123-A 1H-Pyrazol-4-ol 97% 1g $72 2026-06-04 Buy
Activate Scientific AS41123-A 1H-Pyrazol-4-ol 97% 5g $291 2026-06-04 Buy
Activate Scientific AS41123-A 1H-Pyrazol-4-ol 97% 25g $1121 2026-06-04 Buy
AK Scientific Y1506 1H-Pyrazol-4-ol 250mg $181 2021-12-16 Buy
AK Scientific Y1506 1H-Pyrazol-4-ol 5g $937 2021-12-16 Buy
Alichem 4843985 1H-Pyrazol-4-ol 1g $246.75 2021-12-16 Buy
Alichem 4843985 1H-Pyrazol-4-ol 10g $1210.25 2021-12-16 Buy
Alichem 4843985 1H-Pyrazol-4-ol 5g $701.95 2021-12-16 Buy
American Custom Chemicals Corporation MTB0000558 4-HYDROXYPYRAZOLE 95.00% 5MG $500.19 2021-12-16 Buy
Next Last

Properties

Boiling point :326.1±15.0 °C(Predicted)
Density :1.415±0.06 g/cm3(Predicted)
storage temp. :2-8°C
pka :9.08±0.10(Predicted)
Appearance :Off-white to yellow Solid
InChI :InChI=1S/C3H4N2O/c6-3-1-4-5-2-3/h1-2,6H,(H,4,5)
InChIKey :KAUABWYBFARJAF-UHFFFAOYSA-N
SMILES :N1C=C(O)C=N1

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
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

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