2-Mercaptoimidazole - ≥98% , CAS No.872-35-5

CAS: 872-35-5 Cat. No.: M134875 Molecular Weight: 100.14 Beilstein Registry Number: 105775 EC Number: 212-823-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-Mercaptoimidazole, 98% | UNII-FD37BLD6L2 | STL476661 | 1,3-dihydroimidazole-2-thione | 2,3-dihydro-1h-imidazol-2-thione | 2-Mercapto-1H-imidazole | Imidazole, 2-mercapto- | 1,3-Dihydro-2H-imidazole-2-thione | 2-Sulphanyl-1H-imidazole | NSC112715 | NSC-1
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
M134875-1g
3
$13.90
5g
M134875-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$39.90
25g
M134875-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$149.90
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

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

Overview

Product Application:

2-Mercaptoimidazole has been used in chemical modification of silica gel for selective separation of mercury(II) from an aqueous solution


Product Description:

The kinetics of inhibition on mushroom tyrosinase by 2-mercaptoimidazole has been investigated. The pH dependent surface-enhanced Raman scattering (SERS) spectra of biologically and industrially significant, 2-mercaptoimidazole molecule at 1.0×10-10M concentration have been investigated.

Specifications

Synonyms
2-Mercaptoimidazole, 98% | UNII-FD37BLD6L2 | STL476661 | 1, 3-dihydroimidazole-2-thione | 2, 3-dihydro-1h-imidazol-2-thione | 2-Mercapto-1H-imidazole | Imidazole, 2-mercapto- | 1, 3-Dihydro-2H-imidazole-2-thione | 2-Sulphanyl-1H-imidazole | NSC112715 | NSC-1
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504760406
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504760406
Canonical SmilesC1=CNC(=S)N1
IUPAC Name1,3-dihydroimidazole-2-thione
InChIKeyOXFSTTJBVAAALW-UHFFFAOYSA-N
INCHI1S/C3H4N2S/c6-3-4-1-2-5-3/h1-2H,(H2,4,5,6)
Isomeric SMILES C1=CNC(=S)N1
WGK Germany 3
RTECS NI8515000
Molecular Weight 100.14
Beilstein 105775
Reaxy-Rn 105775
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105775&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
ClassAzolines
SubclassImidazolines
Intermediate Tree Nodes Not available
Direct ParentImidazolethiones
Alternative Parents Imidazoles  Heteroaromatic compounds  Thioureas  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Imidazole-2-thione - Heteroaromatic compound - Imidazole - Azole - Thiourea - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as imidazolethiones. These are aromatic compounds containing an imidazole ring which bears a thioketone 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
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.

12 results found

Lot NumberCertificate TypeDateItem
J2217655Certificate of AnalysisMay 11, 2026 M134875
J2218110Certificate of AnalysisMay 11, 2026 M134875
J2516096Certificate of AnalysisOct 18, 2025 M134875
A2622020Certificate of AnalysisOct 16, 2025 M134875
J2530545Certificate of AnalysisOct 16, 2025 M134875
J2530546Certificate of AnalysisOct 16, 2025 M134875
J2530547Certificate of AnalysisOct 16, 2025 M134875
J2530548Certificate of AnalysisOct 16, 2025 M134875
J2218162Certificate of AnalysisAug 14, 2024 M134875
L2416723Certificate of AnalysisJul 08, 2024 M134875
J2114628Certificate of AnalysisJul 10, 2023 M134875
E2410031Certificate of AnalysisSep 15, 2022 M134875

Show more ⌵

Chemical and Physical Properties
Solubilitymethanol: soluble 50 mg/mL, clear to slightly hazy, colorless to yellow
Melt Point(°C)228-231 °C
Molecular Weight100.140 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass100.01 Da
Monoisotopic Mass100.01 Da
Topological Polar Surface Area56.200 Ų
Heavy Atom Count6
Formal Charge0
Complexity87.000
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
Documents & Articles
Citations of This Product
References
1. Wenshuai Hao, Ruitao Cha, Mingzheng Wang, Juanjuan Li, Hongbo Guo, Ran Du, Fengshan Zhou, Xingyu Jiang.  (2023)  Ligand-Modified Gold Nanoparticles as Mitochondrial Modulators: Regulation of Intestinal Barrier and Therapy for Constipation.  ACS Nano,      [PMID:37449942] [10.1021/acsnano.3c01656]
2. Xiaoxia Feng, Pengxiao Xu, Jinli Liu, Xiyue Zhao, Jing Cao, Jiacheng Liu.  (2022)  Stable Core–Shell Structure Nanocrystals of Cs4PbBr6-Zn(moi)2 Achieved by an In Situ Surface Reconstruction Strategy for Optical Anticounterfeiting.  INORGANIC CHEMISTRY,      [PMID:36272156] [10.1021/acs.inorgchem.2c02632]
3. Hongming Hou, Taotao Hu, Fu Zhang, Rui Liu, Jialong He, Chang Liu, Yue Yu, Dong Chen, Qiaofeng Wu, Meng Zhang, Hua Yu.  (2021)  Small molecule interfacial cross-linker for highly efficient two-dimensional perovskite solar cells.  Journal of Energy Chemistry,      [PMID:] [10.1016/j.jechem.2021.10.026]
4. Xiaolei Zhao, Yu He, Yanan Wang, Shuo Wang, Junping Wang.  (2019)  Hollow molecularly imprinted polymer based quartz crystal microbalance sensor for rapid detection of methimazole in food samples.  FOOD CHEMISTRY,      [PMID:31771917] [10.1016/j.foodchem.2019.125787]
5. Yan Liu, Tian Zhao, Shuzhen Li, Yichuan Cao, Guozhen Fang.  (2024)  A Molecularly Imprinted Fluorescence Sensor Based on Upconversion-Nanoparticle-Grafted Covalent Organic Frameworks for Specific Detection of Methimazole.  Processes,  12  (3): (626).  [PMID:] [10.3390/pr12030626]
6. Tang Xu, Wenshuai Hao, Ran Du, Dai Dai, Cuixia Wang, Suhua Li, Carol Sze Ki Lin, Ruitao Cha, Jianbin Yan, Chong Li.  (2024)  Mercaptoimidazole-capped gold nanoparticles as a potent agent against plant pathogenic fungi.  Journal of Materials Chemistry B,      [PMID:39344784] [10.1039/D4TB01032A]
7. Ma Haibo, Ru Changhai, Zhang Fanghao, Hoettges Kai, Zhu Junhui, Song Pengfei.  (2025)  Core–shell ZIF-8@Au labels for high-sensitivity lateral flow assays via thiol-functionalization and seed-mediated growth.  MICROCHIMICA ACTA,  192  (12): (847).  [PMID:41286372] [10.1007/s00604-025-07615-x]
8. Qing Cheng, Yuqi Zhang, Yingying Cao, Long Liu, Yanqiang Zhang.  (2026)  Manipulating d-Band Center of Cu(I)-MOFs for Catalytic Ignition of [BMIM]N(CN) 2 IL-H 2 O 2 Propellants.  Journal of Materials Chemistry A,      [PMID:] [10.1039/D5TA09529H]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.