4-Cinnolinecarboxylicacid

Modify Date: 2026-08-08 17:57:19

4-Cinnolinecarboxylicacid Structure
4-Cinnolinecarboxylicacid structure
Common Name 4-Cinnolinecarboxylicacid
CAS Number 21905-86-2 Molecular Weight 174.15600
Density 1.421g/cm3 Boiling Point 423.7ºC at 760mmHg
Molecular Formula C9H6N2O2 Melting Point 175ºC (dec.)(lit.)
MSDS N/A Flash Point 210.1ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name cinnoline-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.421g/cm3
Boiling Point 423.7ºC at 760mmHg
Melting Point 175ºC (dec.)(lit.)
Molecular Formula C9H6N2O2
Molecular Weight 174.15600
Flash Point 210.1ºC
Exact Mass 174.04300
PSA 63.08000
LogP 1.32800
Vapour Pressure 6.18E-08mmHg at 25°C
Index of Refraction 1.697
InChIKey ZKOMQFDQFTVPBZ-UHFFFAOYSA-N
SMILES O=C(O)c1cnnc2ccccc12

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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4-Cinnolinecarboxylicacid Structure

4-Cinnolinecarb...

CAS#:21905-86-2

Learn More
Literature: Tetrahedron, , vol. 37, # 14 p. 2489 - 2492

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4-Cinnolinecarboxylicacid Structure

4-Cinnolinecarb...

CAS#:21905-86-2

Learn More
Literature: Tetrahedron, , vol. 37, # 14 p. 2489 - 2492

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  2

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 4-CinnolinecarboxylicacidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfect...
Source: Broad Institute
Target: N/A
External Id: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfected HEK293 cells Inhibition - 7011-01_Antagonist_SinglePoint_HTS_Activity
Name: Primary Screen Inhibitors of CD40 Signaling in BL2 Cells Measured in Cell-Based Syste...
Source: Broad Institute
Target: N/A
External Id: 7124-01_Inhibitor_SinglePoint_HTS_Activity
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN
Name: uHTS identification of small molecule modulators of NR3A
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: SBCCG-A1015-NR3A-Primary-Assay
Name: uHTS identification of small molecule modulators of Rev-erb Alpha.
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: SBCCG-A1016-RevErbaLBD-Primary-Assay
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-Carboxy-cinnolin
cinnoline-4-carboxylate
Cinnolin-4-carbonsaeure
MFCD00006813
EINECS 244-650-5
4-Cinnolinecarboxylic acid
4-Cinnolincarbonsaeure

 4-Cinnolinecarboxylicacid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of cinnoline-4-carboxylic acid?
A: LogP of cinnoline-4-carboxylic acid is 1.32800.
Q: What is the boiling point of cinnoline-4-carboxylic acid?
A: Boiling point of cinnoline-4-carboxylic acid is 423.7ºC at 760mmHg.
Q: What are the upstream materials of cinnoline-4-carboxylic acid?
A: Related upstream materials(CAS) of cinnoline-4-carboxylic acid: 80334-73-2;14722-38-4.
Q: What is the English name of cinnoline-4-carboxylic acid?
A: The English name of cinnoline-4-carboxylic acid is cinnoline-4-carboxylic acid.
Q: What English synonyms does cinnoline-4-carboxylic acid have?
A: English synonyms of cinnoline-4-carboxylic acid: 4-Carboxy-cinnolin, cinnoline-4-carboxylate, Cinnolin-4-carbonsaeure, MFCD00006813, EINECS 244-650-5, 4-Cinnolinecarboxylic acid, 4-Cinnolincarbonsaeure.
Q: What is the InChIKey of cinnoline-4-carboxylic acid?
A: InChIKey of cinnoline-4-carboxylic acid is ZKOMQFDQFTVPBZ-UHFFFAOYSA-N.
Q: What is the molecular formula of cinnoline-4-carboxylic acid?
A: Molecular formula of cinnoline-4-carboxylic acid is C9H6N2O2.
Q: What is the polar surface area (PSA) of cinnoline-4-carboxylic acid?
A: Polar surface area (PSA) of cinnoline-4-carboxylic acid is 63.08000.
Q: What is the melting point of cinnoline-4-carboxylic acid?
A: Melting point of cinnoline-4-carboxylic acid is 175ºC (dec.)(lit.).
Q: What is the CAS number of cinnoline-4-carboxylic acid?
A: CAS number of cinnoline-4-carboxylic acid is 21905-86-2.

 4-Cinnolinecarboxylicacidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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