4-Amino-6-hydroxy-2-mercaptopyrimidine Hydrate - ≥98% , CAS No.65802-56-4

CAS: 65802-56-4 Cat. No.: A151319 Molecular Weight: 143.16(as Anhydrous) Beilstein Registry Number: 24476 EC Number: 629-168-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-Amino-6-hydroxy-2-mercaptopyrimidine monohydrate | 4-Amino-6-hydroxy-2-mercapto-pyrimidine monohydrate | 4amino-6-hydroxy-2-mercaptopyrimidine monohydrate | A835232 | AKOS000113505 | 6-amino-2-mercapto-3H-pyrimidin-4-one monohydrate | AC-1541 | 6-Amino-
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
A151319-25g
4

$17.90

$26.90
Save $9.00 (33.46%)
100g
A151319-100g
4

$25.90

$38.90
Save $13.00 (33.42%)
500g
A151319-500g
1

$128.90

$193.90
Save $65.00 (33.52%)
Enter a quantity for the sizes you want to add.
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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.

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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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

4-Amino-6-hydroxy-2-mercaptopyrimidine is a novel, potent, and selective A3 adenosine receptor antagonists. It is also used as pharmaceutical intermediates.

Specifications

Synonyms
4-Amino-6-hydroxy-2-mercaptopyrimidine monohydrate | 4-Amino-6-hydroxy-2-mercapto-pyrimidine monohydrate | 4amino-6-hydroxy-2-mercaptopyrimidine monohydrate | A835232 | AKOS000113505 | 6-amino-2-mercapto-3H-pyrimidin-4-one monohydrate | AC-1541 | 6-Amino-
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488192160
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488192160
Canonical SmilesC1=C(NC(=S)NC1=O)N.O
IUPAC Name6-amino-2-sulfanylidene-1H-pyrimidin-4-one;hydrate
InChIKeyBWYGMIYEADAIGW-UHFFFAOYSA-N
INCHI1S/C4H5N3OS.H2O/c5-2-1-3(8)7-4(9)6-2;/h1H,(H4,5,6,7,8,9);1H2
Isomeric SMILES C1=C(NC(=S)NC1=O)N.O
WGK Germany 3
RTECS UW0495000
Molecular Weight 143.16(as Anhydrous)
Beilstein 24476
Reaxy-Rn 35228245
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=35228245&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
ClassDiazines
SubclassPyrimidines and pyrimidine derivatives
Intermediate Tree Nodes Not available
Direct ParentPyrimidones
Alternative Parents Pyrimidinethiones  Aminopyrimidines and derivatives  2-Thiopyrimidines  Hydropyrimidines  Vinylogous amides  Heteroaromatic compounds  Thioureas  Lactams  Azacyclic compounds  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aminopyrimidine - 2-thiopyrimidine - Thiopyrimidine - Pyrimidinethione - Pyrimidone - Hydropyrimidine - Heteroaromatic compound - Vinylogous amide - Lactam - Thiourea - Azacycle - Amine - Hydrocarbon derivative - Organic oxide - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrimidones. These are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
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.

10 results found

Lot NumberCertificate TypeDateItem
C2619103Certificate of AnalysisApr 01, 2026 A151319
C2222134Certificate of AnalysisJan 19, 2026 A151319
C2222199Certificate of AnalysisJan 19, 2026 A151319
I2504856Certificate of AnalysisApr 13, 2024 A151319
I2504927Certificate of AnalysisApr 13, 2024 A151319
I1917109Certificate of AnalysisJul 10, 2023 A151319
E2319071Certificate of AnalysisMay 30, 2023 A151319
C2330261Certificate of AnalysisApr 03, 2023 A151319
C2222203Certificate of AnalysisFeb 19, 2022 A151319
E2431020Certificate of AnalysisFeb 19, 2022 A151319
Chemical and Physical Properties
SolubilitySoluble in water and DMSO.
Melt Point(°C)>300°C
Molecular Weight161.190 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass161.026 Da
Monoisotopic Mass161.026 Da
Topological Polar Surface Area100.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity198.000
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 Count2
Solution Calculators
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