4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid - ≥98% , CAS No.771-81-3

CAS: 771-81-3 Cat. No.: A194999 Molecular Weight: 185.2
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-amino-2-(methylthio)pyrimidine-5-carboxylic acid | 4-Amino-2-methylmercaptopyrimidine-5-carboxylic acid | AOBVZYNKWONVRH-UHFFFAOYSA-N | SCHEMBL3084614 | DTXSID60622722 | EN300-142704 | STK946254 | MFCD00186102 | BBL028358 | 4-amino-2-(methylsulfanyl)pyr
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
A194999-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
1g
A194999-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$29.90
5g
A194999-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$122.90
25g
A194999-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$489.90
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Why this grade

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

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Storage & shipping

Store at 2-8°C,Protected from light,Argon charged Ships Wet ice 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
4-amino-2-(methylthio)pyrimidine-5-carboxylic acid | 4-Amino-2-methylmercaptopyrimidine-5-carboxylic acid | AOBVZYNKWONVRH-UHFFFAOYSA-N | SCHEMBL3084614 | DTXSID60622722 | EN300-142704 | STK946254 | MFCD00186102 | BBL028358 | 4-amino-2-(methylsulfanyl)pyr
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCSC1=NC=C(C(=N1)N)C(=O)O
IUPAC Name4-amino-2-methylsulfanylpyrimidine-5-carboxylic acid
InChIKeyAOBVZYNKWONVRH-UHFFFAOYSA-N
INCHI1S/C6H7N3O2S/c1-12-6-8-2-3(5(10)11)4(7)9-6/h2H,1H3,(H,10,11)(H2,7,8,9)
Isomeric SMILES CSC1=NC=C(C(=N1)N)C(=O)O
Molecular Weight 185.2
Reaxy-Rn 151482
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=151482&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazines
SubclassPyrimidines and pyrimidine derivatives
Intermediate Tree Nodes Pyrimidinecarboxylic acids and derivatives
Direct ParentPyrimidinecarboxylic acids
Alternative Parents Aminopyrimidines and derivatives  Alkylarylthioethers  Imidolactams  Vinylogous amides  Heteroaromatic compounds  Amino acids  Sulfenyl compounds  Carboxylic acids  Azacyclic compounds  Primary amines  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyrimidine-5-carboxylic acid - Aryl thioether - Aminopyrimidine - Alkylarylthioether - Imidolactam - Heteroaromatic compound - Vinylogous amide - Amino acid or derivatives - Amino acid - Carboxylic acid derivative - Carboxylic acid - Azacycle - Sulfenyl compound - Thioether - Amine - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrimidinecarboxylic acids. These are pyrimidines with a structure containing a carboxyl group attached to the pyrimidine ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

4 results found

Lot NumberCertificate TypeDateItem
D2615219Certificate of AnalysisMar 27, 2026 A194999
D2615222Certificate of AnalysisMar 27, 2026 A194999
D2615223Certificate of AnalysisMar 27, 2026 A194999
D2615225Certificate of AnalysisMar 27, 2026 A194999
Chemical and Physical Properties
SensitivityLight sensitive
Molecular Weight185.210 g/mol
XLogP30.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count2
Exact Mass185.026 Da
Monoisotopic Mass185.026 Da
Topological Polar Surface Area114.000 Ų
Heavy Atom Count12
Formal Charge0
Complexity178.000
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. Yan Shen, Chao Guo, Ting Lu, Xu-Yang Ding, Man-Tong Zhao, Min Zhang, Hui-Lin Liu, Liang Song, Da-Yong Zhou.  (2021)  Effects of gallic acid alkyl esters and their combinations with other antioxidants on oxidative stability of DHA algae oil.  FOOD RESEARCH INTERNATIONAL,      [PMID:33992380] [10.1016/j.foodres.2021.110280]
Solution Calculators
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