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Oncology and immunology drugs

Cinoxacin

Also known as Cinobac, Cinoxacino, Cinoxacine

CAS 28657-80-9Formula C12H10N2O5Molar mass 262.22 g/molEC 249-133-8
GHS signal word: Warning. Pictograms: Harmful or irritant 11 suppliers listed
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Cinoxacin chemical structure, C12H10N2O5, CAS 28657-80-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
28657-80-9
Formula
C12H10N2O5
Molar mass
262.22 g/mol
EC number
249-133-8
HS code
293499
Category
Oncology and immunology drugs

What is Cinoxacin?

Plain description, key identifiers and synonyms

Cinoxacin is a member of the class of cinnolines that is 6,7-methylenedioxycinnolin-4(1H)-one bearing an ethyl group at position 1 and a carboxylic acid group at position 3. An analogue of oxolinic acid, it has similar antibacterial actions. It was formerly used for the treatment of urinary tract infections. It has a role as an antiinfective agent and an antibacterial drug. It is an oxo carboxylic acid, an oxacycle and a member of cinnolines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethyl-4-oxo-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
CAS number
28657-80-9 CAS number cross-checked
EC number
249-133-8
Molecular formula
C12H10N2O5
UNII
LMK22VUH23
MDL number
MFCD00056776
InChIKey
VDUWPHTZYNWKRN-UHFFFAOYSA-N
InChI
InChI=1S/C12H10N2O5/c1-2-14-7-4-9-8(18-5-19-9)3-6(7)11(15)10(13-14)12(16)17/h3-4H,2,5H2,1H3,(H,16,17)
SMILES (canonical and isomeric)
CCN1C2=CC3=C(C=C2C(=O)C(=N1)C(=O)O)OCO3

Synonyms

  • Cinobac
  • Cinoxacino
  • Cinoxacine
  • Cinoxacinum
  • Lilly 64716
  • [1,3]Dioxolo[4,5-g]cinnoline-3-carboxylic acid, 1-ethyl-1,4-dihydro-4-oxo-
  • 1-ethyl-4-oxo-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
  • 1-Ethyl-6,7-methylenedioxy-4(1H)-oxocinnoline-3-carboxylic acid
  • 1-Ethyl-1,4-dihydro-4-oxo[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
  • 1-Ethyl-1,4-dihydro-4-oxo(1,3)dioxolo(4,5-g)cinnoline-3-carboxylic acid
  • 1-ethyl-4-oxo-1H,4H,7H-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
  • Clinoxacin
  • Azolinic Acid
  • (1,3)Dioxolo(4,5-g)cinnoline-3-carboxylic acid, 1-ethyl-1,4-dihydro-4-oxo-
  • Acid, Azolinic
  • cinoxacina
  • 1-ethyl-4-oxo-(1,3)dioxolo(4,5-g)cinnoline-3-carboxylic acid
  • 1-ethyl-4-oxo-1H,4H,7H-(1,3)dioxolo(4,5-g)cinnoline-3-carboxylic acid
  • 5-Ethyl-8-oxo-5,8-dihydro-1,3-dioxa-5,6-diaza-cyclopenta(b)naphthalene-7-carboxylic acid
  • 5-Ethyl-8-oxo-5,8-dihydro-1,3-dioxa-5,6-diaza-cyclopenta[b]naphthalene-7-carboxylic acid
  • 5-Ethyl-8-oxo-5,8-dihydro(1,3)dioxolo(4,5-g)cinnoline-7-carboxylic acid
  • 1-Ethyl-1,4-Dihydro-4-oxo (1,3) Dioxolo (4,5-g) Cinnoline-3-Carboxylic Acid
  • Compound 64716
  • Cinobactin
  • Uronorm
Show all 33 synonyms
  • 1-Ethyl-4-oxo-1,4-dihydro-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
  • 1-Ethyl-4-oxo-1,4-dihydro[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
  • Cinx
  • (1,3)Dioxolo(4,5-g)cinnoline-3-carboxylic acid, 1,4-dihydro-1-ethyl-4-oxo-
  • Noxigram
  • 1-ethyl-1,4-dihydro-4-oxo-[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid
  • 1-ethyl-4-oxohydro-7H-1,3-dioxoleno[4,5-g]cinnoline-3-carboxylic acid
  • Cinobac (TN)

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
262.22 g/molcalc.
Exact mass
262.059 Dacalc.
LogP (octanol/water)
0.84calc.
Topological polar surface area
90.65 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.25calc.
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=c1cn[nH]c2cc3c(cc12)OCO3

O=c1cn[nH]c2cc3c(cc12)OCO3

3 rings, 14 atoms, the (1,3)Dioxolo(4,5-g)cinnolin-4-ol ring system.

8 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Cinoxacin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 11 suppliers
11 of 11 offers
  • Vihita Chem
    CanadaUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • 1st Scientific LLC
    China, NanjingUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • Abmole Bioscience Inc.
    United States, HoustonUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • AChemBlock
    United States, HaywardUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
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  • Ambinter
    France, OrleansUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • Capot
    China, HangzhouUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • Glentham Life Sciences Ltd.
    United Kingdom, CorshamUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • Glixx Labs, Inc
    United States, HopkintonUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • Leapchem
    China, Hong KongUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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  • Shenghe Chemical
    China, JinanUnclaimed profile
    CinoxacinGrade, purity and minimum order on request
    Price on request
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

11 suppliers in 5 countries

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Cinoxacin price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Anti-Infective Agents
  • Topoisomerase II Inhibitors

Roles

  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • pharmaceutical

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 Cinoxacin is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Cinoxacin?

Cinoxacin is a member of the class of cinnolines that is 6,7-methylenedioxycinnolin-4(1H)-one bearing an ethyl group at position 1 and a carboxylic acid group at position 3. An analogue of oxolinic acid, it has similar antibacterial actions. It was formerly used for the treatment of urinary tract infections.

What is the CAS number of Cinoxacin?

The CAS registry number of Cinoxacin is 28657-80-9.

What is the molecular formula and weight of Cinoxacin?

The molecular formula of Cinoxacin is C12H10N2O5 and its molar mass is 262.22 g/mol.

What is Cinoxacin used for?

Known uses and roles of Cinoxacin include antibacterials and antibiotics in pharmaceuticals, anticancer drugs in pharmaceuticals, antibacterial agent, antibacterial drug, antiinfective agent and 5 more.

Is Cinoxacin hazardous?

Cinoxacin carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cinoxacin?

Cinoxacin is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cinoxacin?

CompoundList lists 11 suppliers of Cinoxacin in China, United States, Canada, France and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cinoxacin?

Suppliers quote Cinoxacin 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 Cinoxacin

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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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