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Heterocyclic building blocks

CI-953 free base

Also known as N-(2-Chloro-6-methylphenyl)-N'-4-pyridinylurea, Urea, N-(2-chloro-6-methylphenyl)-N'-4-pyridinyl-, 1-(2-Chloro-6-methylphenyl)-3-(pyridin-4-yl)urea

CAS 97627-24-2Formula C13H12ClN3OMolar mass 261.71 g/mol
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CI-953 free base chemical structure, C13H12ClN3O, CAS 97627-24-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
97627-24-2
Formula
C13H12ClN3O
Molar mass
261.71 g/mol
HS code
293339
Category
Heterocyclic building blocks

What is CI-953 free base?

Plain description, key identifiers and synonyms

CI-953 free base is a chemical substance with the molecular formula C13H12ClN3O and a molar mass of 261.71 g/mol. Its CAS registry number is 97627-24-2. The IUPAC name is 1-(2-chloro-6-methylphenyl)-3-pyridin-4-ylurea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(2-chloro-6-methylphenyl)-3-pyridin-4-ylurea
CAS number
97627-24-2 CAS number cross-checked
Molecular formula
C13H12ClN3O
UNII
PJ3RY2G8I8
MDL number
MFCD30290415
InChIKey
ZSBWDKCIIZYQIR-UHFFFAOYSA-N
InChI
InChI=1S/C13H12ClN3O/c1-9-3-2-4-11(14)12(9)17-13(18)16-10-5-7-15-8-6-10/h2-8H,1H3,(H2,15,16,17,18)
SMILES (canonical and isomeric)
CC1=C(C(=CC=C1)Cl)NC(=O)NC2=CC=NC=C2

Synonyms

  • N-(2-Chloro-6-methylphenyl)-N'-4-pyridinylurea
  • Urea, N-(2-chloro-6-methylphenyl)-N'-4-pyridinyl-
  • 1-(2-Chloro-6-methylphenyl)-3-(pyridin-4-yl)urea
  • 1-(2-chloro-6-methylphenyl)-3-pyridin-4-ylurea
  • Urea, N-(2-chloro-6-methylphenyl)-N//'-4-pyridinyl-
  • 3-(2-chloro-6-methylphenyl)-1-(pyridin-4-yl)urea
  • 1-(2-chloro-6-methyl-phenyl)-3-(4-pyridyl)urea
  • N-(2-Chloro-6-methylphenyl)-N'-(pyridin-4-yl)urea

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
261.71 g/molcalc.
Exact mass
261.0669 Dacalc.
LogP (octanol/water)
3.69calc.
Topological polar surface area
54.02 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.08calc.
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, O=C(Nc1ccccc1)Nc1ccncc1

O=C(Nc1ccccc1)Nc1ccncc1

2 rings, 16 atoms, the 1-Phenyl-3-(4-pyridyl)urea ring system.

44 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.

CI-953 free base suppliers

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CI-953 free base 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 CI-953 free base 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 CI-953 free base is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about CI-953 free base, based on the data on this page

What is CI-953 free base?

CI-953 free base is a chemical substance with the molecular formula C13H12ClN3O and a molar mass of 261.71 g/mol. Its CAS registry number is 97627-24-2. The IUPAC name is 1-(2-chloro-6-methylphenyl)-3-pyridin-4-ylurea.

What is the CAS number of CI-953 free base?

The CAS registry number of CI-953 free base is 97627-24-2.

What is the molecular formula and weight of CI-953 free base?

The molecular formula of CI-953 free base is C13H12ClN3O and its molar mass is 261.71 g/mol.

What is CI-953 free base used for?

Known uses and roles of CI-953 free base include building blocks in research and laboratory and screening compounds in research and laboratory.

Is CI-953 free base hazardous?

No GHS hazard classification for CI-953 free base 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 CI-953 free base?

CI-953 free base 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 CI-953 free base?

Post a free request on CompoundList and suppliers of CI-953 free base will send you quotes. Your contact details stay private until you accept a quote.

What is the price of CI-953 free base?

Suppliers quote CI-953 free base 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 CI-953 free base

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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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