2-Chloronicotinic acid - ≥98% , CAS No.2942-59-8

CAS: 2942-59-8 Cat. No.: C106555 Formula: C6H4ClNO2 Molecular Weight: 157.55 Beilstein Registry Number: 119023 EC Number: 220-937-0
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-Chloronicotinicacid | BCP27191 | BB 0218348 | CHEBI:194658 | NCGC00246335-01 | Nicotinic acid, 2-chloro- | 2-chloro nicotinic acid | 2chloronicotinic acid | 2-Chloronicotinic acid | 2-Chloro-nicotinic acid | EINECS 220-937-0 | NSC378 | NSC-378 | ZINCSUL
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
25g
C106555-25g
7 In stock
—

$11.90

$17.90
Save $6.00 (33.52%)
100g
C106555-100g
5 In stock
—

$22.90

$34.90
Save $12.00 (34.38%)
500g
C106555-500g
Made to order · 8–12 wks

$27.90

$41.90
Save $14.00 (33.41%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2-Chloronicotinicacid | BCP27191 | BB 0218348 | CHEBI:194658 | NCGC00246335-01 | Nicotinic acid, 2-chloro- | 2-chloro nicotinic acid | 2chloronicotinic acid | 2-Chloronicotinic acid | 2-Chloro-nicotinic acid | EINECS 220-937-0 | NSC378 | NSC-378 | ZINCSUL
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488185236
Canonical Smiles
C1=CC(=C(N=C1)Cl)C(=O)O
IUPAC Name
2-chloropyridine-3-carboxylic acid
InChIKey
IBRSSZOHCGUTHI-UHFFFAOYSA-N
INCHI
1S/C6H4ClNO2/c7-5-4(6(9)10)2-1-3-8-5/h1-3H,(H,9,10)
Isomeric SMILES
C1=CC(=C(N=C1)Cl)C(=O)O
WGK Germany
3
Molecular Weight
157.55
Beilstein
119023
Reaxy-Rn
119023
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=119023&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassPyridines and derivatives
SubclassPyridinecarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentPyridinecarboxylic acids
Alternative Parents 2-halopyridines  Aryl chlorides  Vinylogous halides  Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridine carboxylic acid - 2-halopyridine - Aryl chloride - Aryl halide - Vinylogous halide - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Organic oxygen compound - Organic nitrogen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyridinecarboxylic acids. These are compounds containing a pyridine ring bearing a carboxylic acid group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ERG Tbio Transcriptional regulator ERG (5589 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMN1 Tchem Survival motor neuron protein (34246 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LMNA Tbio Prelamin-A/C (36751 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BAZ2B Tchem Bromodomain adjacent to zinc finger domain protein 2B (56204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot NumberCertificate TypeDateItem
D2609030Certificate of AnalysisApr 17, 2026 C106555
D2228096Certificate of AnalysisFeb 04, 2026 C106555
D2228114Certificate of AnalysisFeb 04, 2026 C106555
D2228135Certificate of AnalysisFeb 04, 2026 C106555
J2126123Certificate of AnalysisAug 11, 2025 C106555
J2126128Certificate of AnalysisAug 11, 2025 C106555
C2125179Certificate of AnalysisJan 10, 2025 C106555
I2504838Certificate of AnalysisJun 19, 2024 C106555
I2504839Certificate of AnalysisJun 19, 2024 C106555
K1926121Certificate of AnalysisSep 11, 2023 C106555
C2321016Certificate of AnalysisFeb 26, 2022 C106555
C2321017Certificate of AnalysisFeb 26, 2022 C106555
D2228119Certificate of AnalysisFeb 26, 2022 C106555
D23111151Certificate of AnalysisFeb 26, 2022 C106555
Chemical and Physical Properties
SolubilitySolubility in water: Practically Insoluble; Degree of Solubility in water: 1.7 g/l 20 °C; Slightly soluble in Methanol; Insoluble in Benzene
Melt Point(°C)178-180°C
Molecular Weight157.550 g/mol
XLogP31.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass156.993 Da
Monoisotopic Mass156.993 Da
Topological Polar Surface Area50.200 Ų
Heavy Atom Count10
Formal Charge0
Complexity140.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 2942-59-8, the molecular formula is C6H4ClNO2, and the molecular weight is 157.55 g/mol. InChIKey IBRSSZOHCGUTHI-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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