Sodium 2-Mercapto-5-benzimidazolesulfonate Dihydrate - ≥98% , CAS No.207511-11-3

CAS: 207511-11-3 Cat. No.: S161082 Molecular Weight: 252.24 Beilstein Registry Number: 25(3/4)1965 EC Number: 622-574-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
SodiuM 2-Mercapto-5-benziMidazolesulfonate Dihydrate | Sodium2-mercapto-1H-benzo[d]imidazole-5-sulfonatedihydrate | MFCD00192260 | sodium;2-sulfanylidene-1,3-dihydrobenzimidazole-5-sulfonate;dihydrate | Sodium 2-sulfanylidene-2,3-dihydro-1H-benzimidazole-
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
S161082-1g
2

$25.90

$38.90
Save $13.00 (33.42%)
5g
S161082-5g
3

$64.90

$97.90
Save $33.00 (33.71%)
25g
S161082-25g
2

$194.90

$292.90
Save $98.00 (33.46%)
100g
S161082-100g
1

$778.90

$1,168.90
Save $390.00 (33.36%)
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

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

Specifications

Synonyms
SodiuM 2-Mercapto-5-benziMidazolesulfonate Dihydrate | Sodium2-mercapto-1H-benzo[d]imidazole-5-sulfonatedihydrate | MFCD00192260 | sodium;2-sulfanylidene-1, 3-dihydrobenzimidazole-5-sulfonate;dihydrate | Sodium 2-sulfanylidene-2, 3-dihydro-1H-benzimidazole-
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488200494
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200494
Canonical SmilesC1=CC2=C(C=C1S(=O)(=O)[O-])NC(=S)N2.O.O.[Na+]
IUPAC Namesodium;2-sulfanylidene-1,3-dihydrobenzimidazole-5-sulfonate;dihydrate
InChIKeyOIYOMRFNKQEDEH-UHFFFAOYSA-M
INCHI1S/C7H6N2O3S2.Na.2H2O/c10-14(11,12)4-1-2-5-6(3-4)9-7(13)8-5;;;/h1-3H,(H2,8,9,13)(H,10,11,12);;2*1H2/q;+1;;/p-1
Isomeric SMILES C1=CC2=C(C=C1S(=O)(=O)[O-])NC(=S)N2.O.O.[Na+]
WGK Germany 3
Alternate CAS 58089-27-3
Molecular Weight 252.24
Beilstein 25(3/4)1965
Reaxy-Rn 14113373

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
ClassBenzimidazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzimidazoles
Alternative Parents 1-sulfo,2-unsubstituted aromatic compounds  Imidazolethiones  Benzenoids  Sulfonyls  Organosulfonic acids  Imidazoles  Heteroaromatic compounds  Thioureas  Azacyclic compounds  Organonitrogen compounds  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Arylsulfonic acid or derivatives - Benzimidazole - 1-sulfo,2-unsubstituted aromatic compound - Imidazole-2-thione - Benzenoid - Azole - Imidazole - Heteroaromatic compound - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Thiourea - Azacycle - Organic alkali metal salt - Organic sodium salt - Organic nitrogen compound - Organosulfur compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic salt - Organic cation - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzimidazoles. These are organic compounds containing a benzene ring fused to an imidazole ring (five member ring containing a nitrogen atom, 4 carbon atoms, and two double bonds).
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
B2324517Certificate of AnalysisSep 09, 2022 S161082
B2324521Certificate of AnalysisSep 09, 2022 S161082
B2324522Certificate of AnalysisSep 09, 2022 S161082
B2324523Certificate of AnalysisSep 09, 2022 S161082
B2324525Certificate of AnalysisSep 09, 2022 S161082
B2324526Certificate of AnalysisSep 09, 2022 S161082
B2324659Certificate of AnalysisSep 09, 2022 S161082
B2324660Certificate of AnalysisSep 09, 2022 S161082
D2607056Certificate of AnalysisSep 09, 2022 S161082
H2406025Certificate of AnalysisSep 09, 2022 S161082
Chemical and Physical Properties
SensitivityAir Sensitive
Molecular Weight288.300 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count6
Rotatable Bond Count1
Exact Mass287.985 Da
Monoisotopic Mass287.985 Da
Topological Polar Surface Area124.000 Ų
Heavy Atom Count17
Formal Charge0
Complexity354.000
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 Count4
Citations of This Product
References
1. Hanyu Yang, Hui Chen, Ling Jiang, Jie Hu, Xiupei Yang, Qian Zhang.  (2025)  Ratiometric fluorescence detection of captopril using folic acid-assisted β-cyclodextrin‑copper nanoclusters with smartphone-based visualization.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2025.115164]
Solution Calculators
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