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Heterocyclic building blocks

RefChem:388641

Also known as 2-[(3,4-dichlorophenyl)methyl]-6-methylpyridazin-3-one, BTB 06989, 2-[(3,4-Dichlorophenyl)methyl]-6-methylpyridazin-3(2H)-one

CAS 4740-86-7Formula C12H10Cl2N2OMolar mass 269.13 g/mol
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RefChem:388641 chemical structure, C12H10Cl2N2O, CAS 4740-86-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4740-86-7
Formula
C12H10Cl2N2O
Molar mass
269.13 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is RefChem:388641?

Plain description, key identifiers and synonyms

RefChem:388641 is a chemical substance with the molecular formula C12H10Cl2N2O and a molar mass of 269.13 g/mol. Its CAS registry number is 4740-86-7. The IUPAC name is 2-[(3,4-dichlorophenyl)methyl]-6-methylpyridazin-3-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(3,4-dichlorophenyl)methyl]-6-methylpyridazin-3-one
CAS number
4740-86-7 CAS number cross-checked
Molecular formula
C12H10Cl2N2O
InChIKey
DBBXSRDCSJOTDU-UHFFFAOYSA-N
InChI
InChI=1S/C12H10Cl2N2O/c1-8-2-5-12(17)16(15-8)7-9-3-4-10(13)11(14)6-9/h2-6H,7H2,1H3
SMILES (canonical and isomeric)
CC1=NN(C(=O)C=C1)CC2=CC(=C(C=C2)Cl)Cl

Synonyms

  • 2-[(3,4-dichlorophenyl)methyl]-6-methylpyridazin-3-one
  • BTB 06989
  • 2-[(3,4-Dichlorophenyl)methyl]-6-methylpyridazin-3(2H)-one

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
269.13 g/molcalc.
Exact mass
268.017 Dacalc.
LogP (octanol/water)
2.91calc.
Topological polar surface area
34.89 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.17calc.
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=c1cccnn1Cc1ccccc1

O=c1cccnn1Cc1ccccc1

2 rings, 14 atoms.

142 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.

RefChem:388641 suppliers

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RefChem:388641 price

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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 RefChem:388641 is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

The HS code shown for RefChem:388641 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about RefChem:388641, based on the data on this page

What is RefChem:388641?

RefChem:388641 is a chemical substance with the molecular formula C12H10Cl2N2O and a molar mass of 269.13 g/mol. Its CAS registry number is 4740-86-7. The IUPAC name is 2-[(3,4-dichlorophenyl)methyl]-6-methylpyridazin-3-one.

What is the CAS number of RefChem:388641?

The CAS registry number of RefChem:388641 is 4740-86-7.

What is the molecular formula and weight of RefChem:388641?

The molecular formula of RefChem:388641 is C12H10Cl2N2O and its molar mass is 269.13 g/mol.

What is RefChem:388641 used for?

Known uses and roles of RefChem:388641 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is RefChem:388641 hazardous?

No GHS hazard classification for RefChem:388641 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 RefChem:388641?

RefChem:388641 is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy RefChem:388641?

Post a free request on CompoundList and suppliers of RefChem:388641 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of RefChem:388641?

Suppliers quote RefChem:388641 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

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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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