6-Mercaptopyridine-3-carboxylic acid(MPCA) - ≥90% , CAS No.92823-43-3

CAS: 92823-43-3 Cat. No.: M400672 Molecular Weight: 155.17 EC Number: 627-799-4
AVAILABLE TO ORDER
GRADE & PURITY ≥90%
Synonyms
3-Pyridinecarboxylicacid,1,6-dihydro-6-thioxo- | EN300-26855 | N12019 | FT-0708185 | ASN-ARG-VAL-TYR-VAL-HIS-PRO-PHEACETATESALT | 3-Pyridinecarboxylicacid,6-mercapto- | AJ-333/25022012 | 6-Mercapto-3-pyridinecarboxylic acid | 6-sulfanylidene-1,6-dihydropy
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M400672-250mg
3
$19.90
1g
M400672-1g
3
$59.90
5g
M400672-5g
1
$259.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥90% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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

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Quality documents

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

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3-Pyridinecarboxylicacid, 1, 6-dihydro-6-thioxo- | EN300-26855 | N12019 | FT-0708185 | ASN-ARG-VAL-TYR-VAL-HIS-PRO-PHEACETATESALT | 3-Pyridinecarboxylicacid, 6-mercapto- | AJ-333/25022012 | 6-Mercapto-3-pyridinecarboxylic acid | 6-sulfanylidene-1, 6-dihydropy
Specifications & Purity
≥90%
Storage
Room temperature
Shipped In
Normal
Purity
≥90%
Names and Identifiers
Pubchem Sid504760217
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504760217
Canonical SmilesC1=CC(=S)NC=C1C(=O)O
IUPAC Name6-sulfanylidene-1H-pyridine-3-carboxylic acid
InChIKeyJWWGTYCXARQFOT-UHFFFAOYSA-N
INCHI1S/C6H5NO2S/c8-6(9)4-1-2-5(10)7-3-4/h1-3H,(H,7,10)(H,8,9)
Isomeric SMILES C1=CC(=S)NC=C1C(=O)O
WGK Germany 3
Molecular Weight 155.17
Reaxy-Rn 5501818
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5501818&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 Dihydropyridinecarboxylic acids and derivatives  Vinylogous amides  Thiolactams  Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organosulfur compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Dihydropyridinecarboxylic acid derivative - Pyridine carboxylic acid - Dihydropyridine - Hydropyridine - Heteroaromatic compound - Vinylogous amide - Thiolactam - Azacycle - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Hydrocarbon derivative - Organopnictogen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Organic oxide - 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)
TYR Tclin Tyrosinase (717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AOX1 Tchem Aldehyde oxidase (429 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.

11 results found

Lot NumberCertificate TypeDateItem
C2611672Certificate of AnalysisFeb 06, 2026 M400672
C2611673Certificate of AnalysisFeb 06, 2026 M400672
C2611674Certificate of AnalysisFeb 06, 2026 M400672
F2512369Certificate of AnalysisMay 30, 2025 M400672
F2512370Certificate of AnalysisMay 30, 2025 M400672
C2427186Certificate of AnalysisApr 03, 2024 M400672
C2427187Certificate of AnalysisApr 03, 2024 M400672
C2427188Certificate of AnalysisApr 02, 2024 M400672
C2427189Certificate of AnalysisApr 02, 2024 M400672
C2427197Certificate of AnalysisApr 02, 2024 M400672
C2427198Certificate of AnalysisApr 02, 2024 M400672

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Chemical and Physical Properties
Melt Point(°C)260-262 °C (dec.) (lit.)
Molecular Weight155.180 g/mol
XLogP30.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass155.004 Da
Monoisotopic Mass155.004 Da
Topological Polar Surface Area81.400 Ų
Heavy Atom Count10
Formal Charge0
Complexity242.000
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
Citations of This Product
References
1. Qinglan Miao, Ji Qi, Yuanyuan Li, Xinxia Fan, Dongmei Deng, Xiaoxia Yan, Haibo He, Liqiang Luo.  (2021)  Anchoring zinc-doped carbon dots on a paper-based chip for highly sensitive fluorescence detection of copper ions.  ANALYST,  146  (20): (6297-6305).  [PMID:34550118] [10.1039/D1AN01268A]
Solution Calculators
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