Determine the necessary mass, volume, or concentration for preparing a solution.
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Moligand™, ≥99% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Famotidine is a histamine H2–receptor antagonist with IC50 of 0.6 mM, commonly used to treat heartburn, GERD, ulcers, and other digestive conditions.
A histamine HRH2 antagonist with IC50 of 0.6 mM.
| ALogP | -0.6 |
|---|
| Pubchem Sid | 488195592 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488195592 |
| Canonical Smiles | C1=C(N=C(S1)N=C(N)N)CSCCC(=NS(=O)(=O)N)N |
| IUPAC Name | 3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfanyl]-N'-sulfamoylpropanimidamide |
| InChIKey | XUFQPHANEAPEMJ-UHFFFAOYSA-N |
| INCHI | 1S/C8H15N7O2S3/c9-6(15-20(12,16)17)1-2-18-3-5-4-19-8(13-5)14-7(10)11/h4H,1-3H2,(H2,9,15)(H2,12,16,17)(H4,10,11,13,14) |
| Isomeric SMILES | C1=C(N=C(S1)N=C(N)N)CSCC/C(=N/S(=O)(=O)N)/N |
| WGK Germany | 2 |
| RTECS | UA2300000 |
| Molecular Weight | 337.45 |
| Reaxy-Rn | 5767271 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5767271&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azoles |
| Subclass | Thiazoles |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 2,4-disubstituted thiazoles |
| Alternative Parents | Organic sulfuric acids and derivatives Heteroaromatic compounds Guanidines Sulfenyl compounds Propargyl-type 1,3-dipolar organic compounds Dialkylthioethers Azacyclic compounds Amidines Organopnictogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | 2,4-disubstituted 1,3-thiazole - Organic sulfuric acid or derivatives - Heteroaromatic compound - Guanidine - Amidine - Azacycle - Dialkylthioether - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Sulfenyl compound - Thioether - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - Organopnictogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as 2,4-disubstituted thiazoles. These are compounds containing a thiazole ring substituted at the positions 2 and 3. |
| External Descriptors | sulfonamide - guanidines - 1,3-thiazole |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Oct 24, 2025 | F129242 | |
| Certificate of Analysis | Oct 24, 2025 | F129242 | |
| Certificate of Analysis | Apr 07, 2025 | F129242 | |
| Certificate of Analysis | Jan 15, 2025 | F129242 | |
| Certificate of Analysis | Jan 15, 2025 | F129242 | |
| Certificate of Analysis | Jan 15, 2025 | F129242 | |
| Certificate of Analysis | Jul 11, 2024 | F129242 | |
| Certificate of Analysis | Feb 03, 2023 | F129242 |
| Solubility | DMSO 67 mg/mL (198.54 mM);Water <1 mg/mL (<1 mM);Ethanol <1 mg/mL (<1 mM) |
|---|---|
| Sensitivity | light sensitive |
| Melt Point(°C) | 166-168°C |
| Molecular Weight | 337.500 g/mol |
| XLogP3 | -0.600 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 7 |
| Exact Mass | 337.045 Da |
| Monoisotopic Mass | 337.045 Da |
| Topological Polar Surface Area | 238.000 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 469.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 1 |
| Covalently-Bonded Unit Count | 1 |
| 1. Guodong Shan, Xiuqin Fan, Qingcheng Wang, Li Zhang, Lijun Ge, Weibo Lu, Jing Xue, Kang Chen, Zejun Wang, Qing Shen. (2025) Development of a Captiva EMR-lipid clean-up and LC-MS/MS methodology for detecting H2 receptor antagonists in functional foods and food-medicine homology materials. Applied Food Research, [PMID:] [10.1016/j.afres.2025.100772] |
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