3-Hydroxyisonicotinic Acid - ≥98%(HPLC) , CAS No.10128-71-9

CAS: 10128-71-9 Cat. No.: H137930 Molecular Weight: 139.11 EC Number: 805-840-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(HPLC)
Synonyms
SCHEMBL2562774 | W-204401 | 4-PYRIDINECARBOXYLIC ACID, 3-HYDROXY- | FT-0615826 | AC-907/25004511 | AKOS005070464 | H1377 | JEHGATQUCUYHJL-UHFFFAOYSA-N | 3-Hydroxyisonicontinic acid | 3-hydroxy-4-pyridinecarboxylicacid | 3-Hydroxy-4-pyridinecarboxylic acid
Storage
Room temperature
Shipped In
Normal
Size
USA
Germany (EU)*
Price
Qty
1g
H137930-1g
8 In stock

$10.90

$16.90
Save $6.00 (35.50%)
5g
H137930-5g
4 In stock

$27.90

$41.90
Save $14.00 (33.41%)
25g
H137930-25g
Made to order · 8–12 wks

$100.90

$151.90
Save $51.00 (33.57%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98%(HPLC) 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
SCHEMBL2562774 | W-204401 | 4-PYRIDINECARBOXYLIC ACID, 3-HYDROXY- | FT-0615826 | AC-907/25004511 | AKOS005070464 | H1377 | JEHGATQUCUYHJL-UHFFFAOYSA-N | 3-Hydroxyisonicontinic acid | 3-hydroxy-4-pyridinecarboxylicacid | 3-Hydroxy-4-pyridinecarboxylic acid
Specifications & Purity
≥98%(HPLC)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(HPLC)
Names and Identifiers
Pubchem Sid488189906
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488189906
Canonical SmilesC1=CN=CC(=C1C(=O)O)O
IUPAC Name3-hydroxypyridine-4-carboxylic acid
InChIKeyJEHGATQUCUYHJL-UHFFFAOYSA-N
INCHI1S/C6H5NO3/c8-5-3-7-2-1-4(5)6(9)10/h1-3,8H,(H,9,10)
Isomeric SMILES C1=CN=CC(=C1C(=O)O)O
Molecular Weight 139.11
Reaxy-Rn 383677
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=383677&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 Hydroxypyridines  Vinylogous acids  Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridine carboxylic acid - Hydroxypyridine - Vinylogous acid - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic oxygen compound - 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





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.

7 results found

Lot NumberCertificate TypeDateItem
C2131287Certificate of AnalysisJul 03, 2026 H137930
F2206266Certificate of AnalysisDec 12, 2025 H137930
F2206296Certificate of AnalysisDec 12, 2025 H137930
H1610091Certificate of AnalysisOct 14, 2025 H137930
G2320052Certificate of AnalysisMay 13, 2025 H137930
F2206295Certificate of AnalysisMar 22, 2024 H137930
C2218015Certificate of AnalysisMar 21, 2022 H137930
Chemical and Physical Properties
Melt Point(°C)315°C
Molecular Weight139.110 g/mol
XLogP30.600
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass139.027 Da
Monoisotopic Mass139.027 Da
Topological Polar Surface Area70.400 Ų
Heavy Atom Count10
Formal Charge0
Complexity137.000
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
Solution Calculators
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