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Screening compounds

Sintofen

Also known as Cintofen, 1-(4-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxo-3-cinnolinecarboxylic acid, 3-Cinnolinecarboxylic acid, 1-(4-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxo-

CAS 130561-48-7Formula C18H15ClN2O5Molar mass 374.78 g/molEC 603-426-0
GHS signal word: Warning. Pictograms: Serious health hazard, Hazardous to the environment 1 supplier listed
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Sintofen chemical structure, C18H15ClN2O5, CAS 130561-48-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
130561-48-7
Formula
C18H15ClN2O5
Molar mass
374.78 g/mol
EC number
603-426-0
HS code
293399
Category
Screening compounds

What is Sintofen?

Plain description, key identifiers and synonyms

Sintofen is a member of the class of cinnolines that is 1-(p-chlorophenyl)cinnolin-4-one which is substituted at positions 3 and 5 by carboxy and 2-methoxyethoxy groups, respectively. It is a chemical hybridisation agent, used for the sterilisation of wheat. It has a role as a chemical hybridisation agent. It is a monocarboxylic acid, an aromatic ether, a member of cinnolines and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(4-chlorophenyl)-5-(2-methoxyethoxy)-4-oxocinnoline-3-carboxylic acid
CAS number
130561-48-7 CAS number cross-checked
EC numbers
603-426-0, 921-066-5
Molecular formula
C18H15ClN2O5
UNII
GV4LS2L3UC
MDL number
MFCD28556890
InChIKey
QLMNCUHSDAGQGT-UHFFFAOYSA-N
InChI
InChI=1S/C18H15ClN2O5/c1-25-9-10-26-14-4-2-3-13-15(14)17(22)16(18(23)24)20-21(13)12-7-5-11(19)6-8-12/h2-8H,9-10H2,1H3,(H,23,24)
SMILES (canonical and isomeric)
COCCOC1=CC=CC2=C1C(=O)C(=NN2C3=CC=C(C=C3)Cl)C(=O)O

Synonyms

  • Cintofen
  • 1-(4-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxo-3-cinnolinecarboxylic acid
  • 3-Cinnolinecarboxylic acid, 1-(4-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxo-
  • Croisor
  • Croisor 100
  • 1-(p-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxo-3-cinnolinecarboxylic acid
  • 1-(p-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxocinnoline-3-carboxylic acid
  • 1-(p-chlorophenyl)-5-(2-methoxyethoxy)-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid
  • SC 2053
  • 1-(4-chlorophenyl)-5-(2-methoxyethoxy)-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid
  • 1-(4-chlorophenyl)-5-(2-methoxyethoxy)-4-oxocinnoline-3-carboxylic acid
  • C18H15ClN2O5
  • 1-(4-chlorophenyl)-5-(2-methoxyethoxy)-4-oxo-cinnoline-3-carboxylic Acid
  • 1-(4-chlorophenyl)-1,4-dihydro-5-(2-methoxyethoxy)-4-oxocinnoline-3-carboxylic acid
  • Sintofen 100 microg/mL in Acetonitrile
  • 1-(4'-chlorophenyl)-1,4-dihydro-5-methoxyethoxy-4-oxo-cinnoline-3-carboxylic acid

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
374.78 g/molcalc.
Exact mass
374.0669 Dacalc.
LogP (octanol/water)
2.76calc.
Topological polar surface area
90.65 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
26calc.
Rings
3calc.
Aromatic rings
3calc.
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=c1cnn(-c2ccccc2)c2ccccc12

O=c1cnn(-c2ccccc2)c2ccccc12

3 rings, 17 atoms.

9 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H351Suspected of causing cancer.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P203Obtain, read and follow all safety instructions before use.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Sintofen suppliers

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Where suppliers are based

1 supplier in 0 countries

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Sintofen 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

Roles

  • chemical hybridisation agent
  • growth regulator
  • plant growth regulator

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 Sintofen 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 Sintofen is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Sintofen?

Sintofen is a member of the class of cinnolines that is 1-(p-chlorophenyl)cinnolin-4-one which is substituted at positions 3 and 5 by carboxy and 2-methoxyethoxy groups, respectively. It is a chemical hybridisation agent, used for the sterilisation of wheat. It has a role as a chemical hybridisation agent.

What is the CAS number of Sintofen?

The CAS registry number of Sintofen is 130561-48-7.

What is the molecular formula and weight of Sintofen?

The molecular formula of Sintofen is C18H15ClN2O5 and its molar mass is 374.78 g/mol.

What is Sintofen used for?

Known uses and roles of Sintofen include building blocks in research and laboratory, screening compounds in research and laboratory, chemical hybridisation agent, growth regulator and plant growth regulator.

Is Sintofen hazardous?

Sintofen carries the GHS signal word "Warning". Main hazards: suspected of causing cancer, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Sintofen?

Sintofen 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 Sintofen?

CompoundList lists 1 supplier of Sintofen. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Sintofen?

Suppliers quote Sintofen 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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