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Heterocyclic building blocks

Chlorohydroxyisonicotinamidine

Also known as 2-Chloro-N'-hydroxyisonicotinimidamide, 4-pyridinecarboximidamide, 2-chloro-N'-hydroxy-, 2-chloro-N'-hydroxy-4-pyridinecarboximidamide

CAS 857653-85-1Formula C6H6ClN3OMolar mass 171.59 g/mol
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Chlorohydroxyisonicotinamidine chemical structure, C6H6ClN3O, CAS 857653-85-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
857653-85-1
Formula
C6H6ClN3O
Molar mass
171.59 g/mol
HS code
293339
Category
Heterocyclic building blocks

What is Chlorohydroxyisonicotinamidine?

Plain description, key identifiers and synonyms

Chlorohydroxyisonicotinamidine is a chemical substance with the molecular formula C6H6ClN3O and a molar mass of 171.59 g/mol. Its CAS registry number is 857653-85-1. The IUPAC name is 2-chloro-N'-hydroxypyridine-4-carboximidamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-chloro-N'-hydroxypyridine-4-carboximidamide
CAS number
857653-85-1 CAS number cross-checked
Molecular formula
C6H6ClN3O
InChIKey
FUSMRNWUUNGSEH-UHFFFAOYSA-N
InChI
InChI=1S/C6H6ClN3O/c7-5-3-4(1-2-9-5)6(8)10-11/h1-3,11H,(H2,8,10)
Canonical SMILES
NC(=NO)c1ccnc(Cl)c1
Isomeric SMILES
C1=CN=C(C=C1/C(=N/O)/N)Cl

Synonyms

  • 2-Chloro-N'-hydroxyisonicotinimidamide
  • 4-pyridinecarboximidamide, 2-chloro-N'-hydroxy-
  • 2-chloro-N'-hydroxy-4-pyridinecarboximidamide
  • 2-chloro-N'-hydroxypyridine-4-carboximidamide
  • (Z)-2-Chloro-N'-hydroxypyridine-4-carboximidamide
  • 2-Chloro-N-hydroxyisonicotinimidamide
  • (Z)-2-chloro-N'-hydroxyisonicotinimidamide
  • (Z)-1-(2-Chloropyridin-4(1H)-ylidene)-1-nitrosomethanamine

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
171.59 g/molcalc.
Exact mass
171.0199 Dacalc.
LogP (octanol/water)
0.83calc.
Topological polar surface area
71.5 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1ccncc1

c1ccncc1

1 ring, 6 atoms, the Pyridine ring system.

118,162 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.

Chlorohydroxyisonicotinamidine suppliers

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Chlorohydroxyisonicotinamidine 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 Chlorohydroxyisonicotinamidine is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Chlorohydroxyisonicotinamidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Chlorohydroxyisonicotinamidine, based on the data on this page

What is Chlorohydroxyisonicotinamidine?

Chlorohydroxyisonicotinamidine is a chemical substance with the molecular formula C6H6ClN3O and a molar mass of 171.59 g/mol. Its CAS registry number is 857653-85-1. The IUPAC name is 2-chloro-N'-hydroxypyridine-4-carboximidamide.

What is the CAS number of Chlorohydroxyisonicotinamidine?

The CAS registry number of Chlorohydroxyisonicotinamidine is 857653-85-1.

What is the molecular formula and weight of Chlorohydroxyisonicotinamidine?

The molecular formula of Chlorohydroxyisonicotinamidine is C6H6ClN3O and its molar mass is 171.59 g/mol.

What is Chlorohydroxyisonicotinamidine used for?

Known uses and roles of Chlorohydroxyisonicotinamidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Chlorohydroxyisonicotinamidine hazardous?

No GHS hazard classification for Chlorohydroxyisonicotinamidine 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 Chlorohydroxyisonicotinamidine?

Chlorohydroxyisonicotinamidine is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chlorohydroxyisonicotinamidine?

Post a free request on CompoundList and suppliers of Chlorohydroxyisonicotinamidine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Chlorohydroxyisonicotinamidine?

Suppliers quote Chlorohydroxyisonicotinamidine 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 Chlorohydroxyisonicotinamidine

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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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