5-Amino-4-imidazolecarboxamide hydrochloride - ≥98% , CAS No.72-40-2

CAS: 72-40-2 Cat. No.: A124057 Molecular Weight: 162.58 Beilstein Registry Number: 3701645 EC Number: 200-778-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-Amino-1H-imidazole-5-carboxamide xhydrochloride | PD055898 | A1175 | MLS000881124 | W-201870 | 4-amino-5-carbamoylimidazole hydrochloride | 4-Amino-5-imidazolecarboxamide hydrochloride | 4amino-5-imidazolecarboxamide hydrochloride | SCHEMBL1775253 | 5-A
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
A124057-5g
4

$10.90

$16.90
Save $6.00 (35.50%)
25g
A124057-25g
1

$23.90

$35.90
Save $12.00 (33.43%)
100g
A124057-100g
2

$80.90

$121.90
Save $41.00 (33.63%)
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

Argon charged,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.

Overview

Starting material for synthesis of the antitumour agent temozolomide

Reactant for synthesis of heterocyclic compounds such as purines and pyrimidines

Specifications

Synonyms
4-Amino-1H-imidazole-5-carboxamide xhydrochloride | PD055898 | A1175 | MLS000881124 | W-201870 | 4-amino-5-carbamoylimidazole hydrochloride | 4-Amino-5-imidazolecarboxamide hydrochloride | 4amino-5-imidazolecarboxamide hydrochloride | SCHEMBL1775253 | 5-A
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488183743
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488183743
Canonical SmilesC1=NC(=C(N1)C(=O)N)N.Cl
IUPAC Name4-amino-1H-imidazole-5-carboxamide;hydrochloride
InChIKeyMXCUYSMIELHIQL-UHFFFAOYSA-N
INCHI1S/C4H6N4O.ClH/c5-3-2(4(6)9)7-1-8-3;/h1H,5H2,(H2,6,9)(H,7,8);1H
Isomeric SMILES C1=NC(=C(N1)C(=O)N)N.Cl
WGK Germany 3
RTECS NI3911000
Molecular Weight 162.58
Beilstein 3701645
Reaxy-Rn 4009582
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4009582&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
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acid derivatives
Intermediate Tree Nodes Carboxylic acid amides
Direct Parent2-heteroaryl carboxamides
Alternative Parents Carbonylimidazoles  Imidolactams  Aminoimidazoles  Vinylogous amides  Heteroaromatic compounds  Primary carboxylic acid amides  Amino acids and derivatives  Azacyclic compounds  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents 2-heteroaryl carboxamide - Imidazole-4-carbonyl group - Aminoimidazole - Imidolactam - Azole - Imidazole - Heteroaromatic compound - Vinylogous amide - Primary carboxylic acid amide - Amino acid or derivatives - Azacycle - Organoheterocyclic compound - Organic oxygen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic nitrogen compound - Organic oxide - Amine - Hydrochloride - Organopnictogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 2-heteroaryl carboxamides. These are compounds containing a heteroaromatic ring that carries a carboxamide 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
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
J1409044Certificate of AnalysisMay 20, 2026 A124057
A1818085Certificate of AnalysisAug 18, 2025 A124057
A1818086Certificate of AnalysisAug 18, 2025 A124057
G2510129Certificate of AnalysisJul 04, 2025 A124057
G2510131Certificate of AnalysisJul 04, 2025 A124057
G2510134Certificate of AnalysisJul 04, 2025 A124057
C2302606Certificate of AnalysisMar 06, 2023 A124057
Chemical and Physical Properties
SensitivityHygroscopic,Air sensitive
Melt Point(°C)270°C
Molecular Weight162.580 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass162.031 Da
Monoisotopic Mass162.031 Da
Topological Polar Surface Area97.800 Ų
Heavy Atom Count10
Formal Charge0
Complexity126.000
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
Reviews

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