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Heterocyclic building blocks

1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-

Also known as 1-(4-chlorophenyl)-1H-pyrazol-4-ol, 1-(4-chlorophenyl)pyrazol-4-ol, 1-(4-Chlorophenyl)-1H-pyrazol-4-ol, 1-(4-Chlorophenyl)pyrazol-4-ol, CHP

CAS 77458-30-1Formula C9H7ClN2OMolar mass 194.62 g/mol
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1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- chemical structure, C9H7ClN2O, CAS 77458-30-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
77458-30-1
Formula
C9H7ClN2O
Molar mass
194.62 g/mol
HS code
293319
Category
Heterocyclic building blocks

What is 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

Plain description, key identifiers and synonyms

1-(4-chlorophenyl)-1H-pyrazol-4-ol is a member of pyrazoles, a heteroaryl hydroxy compound and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(4-chlorophenyl)pyrazol-4-ol
CAS number
77458-30-1
Molecular formula
C9H7ClN2O
InChIKey
MJMACUIRWXDBHT-UHFFFAOYSA-N
InChI
InChI=1S/C9H7ClN2O/c10-7-1-3-8(4-2-7)12-6-9(13)5-11-12/h1-6,13H
SMILES (canonical and isomeric)
C1=CC(=CC=C1N2C=C(C=N2)O)Cl

Synonyms

  • 1-(4-chlorophenyl)-1H-pyrazol-4-ol
  • 1-(4-chlorophenyl)pyrazol-4-ol
  • 1-(4-Chlorophenyl)-1H-pyrazol-4-ol, 1-(4-Chlorophenyl)pyrazol-4-ol, CHP

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
194.62 g/molcalc.
Exact mass
194.0247 Dacalc.
LogP (octanol/water)
2.23calc.
Topological polar surface area
38.05 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(-n2cccn2)cc1

c1ccc(-n2cccn2)cc1

2 rings, 11 atoms, the 1-Phenylpyrazole ring system.

8,634 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- suppliers

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1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- is traded under.

HS 2933.19Indicative HS code

Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…

World exports in 2024
$3.44B
−22.6% vs 2023, imports $6.66B
2019 to 2024
Top exporters
  1. China21.6%
  2. Switzerland * partner reported20.5%
  3. Germany19.0%
Top importers
  1. Slovenia38.4%
  2. Portugal14.1%
  3. Brazil13.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-, based on the data on this page

What is 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

1-(4-chlorophenyl)-1H-pyrazol-4-ol is a member of pyrazoles, a heteroaryl hydroxy compound and a member of monochlorobenzenes.

What is the CAS number of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

The CAS registry number of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- is 77458-30-1.

What is the molecular formula and weight of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

The molecular formula of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- is C9H7ClN2O and its molar mass is 194.62 g/mol.

What is 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- used for?

Known uses and roles of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- hazardous?

No GHS hazard classification for 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- is usually classified under HS code 293319 (Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

Post a free request on CompoundList and suppliers of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-?

Suppliers quote 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)- on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 1H-Pyrazol-4-ol, 1-(4-chlorophenyl)-

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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