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Screening compounds

Chi 16

Also known as 4(3H)-Quinazolinone, 3-(5-chloro-o-tolyl)-2-methyl-, hydrochloride, 2-Methyl-3-(3'-chlor-6'-methylphenyl)chinazolon-4 hydrochloride, 3-(5-Chloro-2-methylphenyl)-2-methylquinazolin-4(3H)-one--hydrogen chloride (1/1)

CAS 3155-80-4Formula C16H14Cl2N2OMolar mass 321.21 g/mol
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Chi 16 chemical structure, C16H14Cl2N2O, CAS 3155-80-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3155-80-4
Formula
C16H14Cl2N2O
Molar mass
321.21 g/mol
HS code
293359
Category
Screening compounds

What is Chi 16?

Plain description, key identifiers and synonyms

Chi 16 is a chemical substance with the molecular formula C16H14Cl2N2O and a molar mass of 321.21 g/mol. Its CAS registry number is 3155-80-4. The IUPAC name is 3-(5-chloro-2-methylphenyl)-2-methylquinazolin-4-one, hydrochloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(5-chloro-2-methylphenyl)-2-methylquinazolin-4-one, hydrochloride
CAS number
3155-80-4 CAS number cross-checked
Molecular formula
C16H14Cl2N2O
InChIKey
OGQNWLHXZYMXQE-UHFFFAOYSA-N
InChI
InChI=1S/C16H13ClN2O.ClH/c1-10-7-8-12(17)9-15(10)19-11(2)18-14-6-4-3-5-13(14)16(19)20;/h3-9H,1-2H3;1H
SMILES (canonical and isomeric)
CC1=C(C=C(C=C1)Cl)N2C(=NC3=CC=CC=C3C2=O)C.Cl

Synonyms

  • 4(3H)-Quinazolinone, 3-(5-chloro-o-tolyl)-2-methyl-, hydrochloride
  • 2-Methyl-3-(3'-chlor-6'-methylphenyl)chinazolon-4 hydrochloride
  • 3-(5-Chloro-2-methylphenyl)-2-methylquinazolin-4(3H)-one--hydrogen chloride (1/1)

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
321.21 g/molcalc.
Exact mass
320.0483 Dacalc.
LogP (octanol/water)
4.08calc.
Topological polar surface area
34.89 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
21calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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=c1c2ccccc2ncn1-c1ccccc1

O=c1c2ccccc2ncn1-c1ccccc1

3 rings, 17 atoms, the 3-Phenyl-3H-quinazolin-4-one ring system.

982 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.

Chi 16 suppliers

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Chi 16 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 Chi 16 is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Chi 16 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Chi 16, based on the data on this page

What is Chi 16?

Chi 16 is a chemical substance with the molecular formula C16H14Cl2N2O and a molar mass of 321.21 g/mol. Its CAS registry number is 3155-80-4. The IUPAC name is 3-(5-chloro-2-methylphenyl)-2-methylquinazolin-4-one, hydrochloride.

What is the CAS number of Chi 16?

The CAS registry number of Chi 16 is 3155-80-4.

What is the molecular formula and weight of Chi 16?

The molecular formula of Chi 16 is C16H14Cl2N2O and its molar mass is 321.21 g/mol.

What is Chi 16 used for?

Known uses and roles of Chi 16 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Chi 16 hazardous?

No GHS hazard classification for Chi 16 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 Chi 16?

Chi 16 is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chi 16?

Post a free request on CompoundList and suppliers of Chi 16 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Chi 16?

Suppliers quote Chi 16 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 Chi 16

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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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