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Heterocyclic building blocks

Quinaldic acid

Also known as Quinoline-2-carboxylic acid, 2-Quinolinecarboxylic acid, Quinaldinic acid

CAS 93-10-7Formula C10H7NO2Molar mass 173.17 g/molEC 202-218-3
GHS signal word: Warning. Pictograms: Harmful or irritant 41 suppliers listed
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Quinaldic acid chemical structure, C10H7NO2, CAS 93-10-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
93-10-7
Formula
C10H7NO2
Molar mass
173.17 g/mol
EC number
202-218-3
HS code
293349
Category
Heterocyclic building blocks

What is Quinaldic acid?

Plain description, key identifiers and synonyms

Quinaldic acid is a quinolinemonocarboxylic acid having the carboxy group at the 2-position. It has a role as a Saccharomyces cerevisiae metabolite and a human metabolite. It is a conjugate acid of a quinaldate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
quinoline-2-carboxylic acid
CAS number
93-10-7 CAS number cross-checkedOther or deprecated CAS: 1199266-78-8, 26469-60-3
EC number
202-218-3
Molecular formula
C10H7NO2
UNII
P90NWT719R
MDL number
MFCD00006752
InChIKey
LOAUVZALPPNFOQ-UHFFFAOYSA-N
InChI
InChI=1S/C10H7NO2/c12-10(13)9-6-5-7-3-1-2-4-8(7)11-9/h1-6H,(H,12,13)
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C=CC(=N2)C(=O)O

Synonyms

  • Quinoline-2-carboxylic acid
  • 2-Quinolinecarboxylic acid
  • Quinaldinic acid
  • 2-Carboxyquinoline
  • 2-Quinolinecarboxylate
  • 2-Quinolinylcarboxylic acid
  • Quinolinecarboxylic acid
  • 2-Quinoline carboxylic acid
  • 2-Quinolinylcarboxylate
  • Chinolin-2-carbonsA currencyure
  • 2-?Quinolinecarboxylic Acid
  • 2,3-Pyridinedicarboxylic
  • 2-quinaldic acid
  • chinaldinsaure
  • Chinaldinsaeure
  • Quinaldinate
  • 2-Chinolincarbonsaeure
  • Quinolin-2-carboxylate
  • Quinaldic acid, 98%
  • quinoline, 2-carboxy-
  • quinoline carboxylic acid
  • quinolinium-2-carboxylate
  • Quinolin-2-carboxylic acid
  • 2-quinoline-carboxylic acid
  • Cambridge id 5116923
Show all 29 synonyms
  • 5-22-03-00183 (Beilstein Handbook Reference)
  • Quinoline-2-carboxylic acid anion
  • Sdccgmls-0065930.p001
  • Quinaldic acid Solution in Methanol, 100ug/mL

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
173.17 g/molcalc.
Exact mass
173.0477 Dacalc.
LogP (octanol/water)
1.93calc.
Topological polar surface area
50.19 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
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, c1ccc2ncccc2c1

c1ccc2ncccc2c1

2 rings, 10 atoms, the Quinoline ring system.

21,766 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

Quinaldic acid suppliers

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All 41 suppliers
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Where suppliers are based

41 suppliers in 11 countries

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Quinaldic acid 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

  • Saccharomyces cerevisiae metabolite
  • animal metabolite
  • eukaryotic metabolite
  • fungal metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Quinaldic acid is traded under.

HS 2933.49Indicative HS code

Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…

World exports in 2024
$939M
−14.6% vs 2023, imports $1.48B
2019 to 2024
Top exporters
  1. China30.1%
  2. India * partner reported16.7%
  3. Switzerland * partner reported14.1%
Top importers
  1. United Kingdom19.2%
  2. Germany16.0%
  3. Romania8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Quinaldic acid, based on the data on this page

What is Quinaldic acid?

Quinaldic acid is a quinolinemonocarboxylic acid having the carboxy group at the 2-position. It has a role as a Saccharomyces cerevisiae metabolite and a human metabolite. It is a conjugate acid of a quinaldate.

What is the CAS number of Quinaldic acid?

The CAS registry number of Quinaldic acid is 93-10-7. Other or deprecated CAS numbers: 1199266-78-8, 26469-60-3.

What is the molecular formula and weight of Quinaldic acid?

The molecular formula of Quinaldic acid is C10H7NO2 and its molar mass is 173.17 g/mol.

What is Quinaldic acid used for?

Known uses and roles of Quinaldic acid include building blocks in research and laboratory, screening compounds in research and laboratory, saccharomyces cerevisiae metabolite, animal metabolite, eukaryotic metabolite and 4 more.

Is Quinaldic acid hazardous?

Quinaldic acid 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 Quinaldic acid?

Quinaldic acid is usually classified under HS code 293349 (Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Quinaldic acid?

CompoundList lists 41 suppliers of Quinaldic acid in United States, China, Canada, Germany and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Quinaldic acid in India?

2 suppliers in India list Quinaldic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Quinaldic acid?

Suppliers quote Quinaldic acid 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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