Determine the necessary mass, volume, or concentration for preparing a solution.
≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Store at -20°C Ships Ice chest + Ice pads 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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Olsalazine Sodium is a mesalamine dimer.Olsalazine Sodium is a anti-inflammatory prodrug, which consists of two 5-ASA moieties linked by an azo bond.
An anti-inflammatory agent
| Pubchem Sid | 488202862 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488202862 |
| Canonical Smiles | C1=CC(=C(C=C1N=NC2=CC(=C(C=C2)[O-])C(=O)O)C(=O)O)[O-].[Na+].[Na+] |
| IUPAC Name | disodium;2-carboxy-4-[(3-carboxy-4-oxidophenyl)diazenyl]phenolate |
| InChIKey | ZJEFYLVGGFISGT-UHFFFAOYSA-L |
| INCHI | 1S/C14H10N2O6.2Na/c17-11-3-1-7(5-9(11)13(19)20)15-16-8-2-4-12(18)10(6-8)14(21)22;;/h1-6,17-18H,(H,19,20)(H,21,22);;/q;2*+1/p-2 |
| Isomeric SMILES | C1=CC(=C(C=C1N=NC2=CC(=C(C=C2)[O-])C(=O)O)C(=O)O)[O-].[Na+].[Na+] |
| PubChem CID | 135413505 |
| Molecular Weight | 346.2 |
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 | Azobenzenes |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Azobenzenes |
| Alternative Parents | Salicylic acids Benzoic acids Benzoyl derivatives 1-hydroxy-2-unsubstituted benzenoids Dicarboxylic acids and derivatives Vinylogous acids Azo compounds Carboxylic acid salts Propargyl-type 1,3-dipolar organic compounds Carboxylic acids Hydrocarbon derivatives Organic oxides Organic sodium salts Organic zwitterions Organooxygen compounds Organopnictogen compounds |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Azobenzene - Hydroxybenzoic acid - Salicylic acid or derivatives - Salicylic acid - Benzoic acid or derivatives - Benzoic acid - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Monocyclic benzene moiety - Dicarboxylic acid or derivatives - Benzenoid - Vinylogous acid - Azo compound - Carboxylic acid salt - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Carboxylic acid derivative - Carboxylic acid - Organic alkali metal salt - Organic zwitterion - Organonitrogen compound - Hydrocarbon derivative - Organooxygen compound - Organic sodium salt - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Organic salt - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring. |
| External Descriptors | organic sodium salt |
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 | Apr 15, 2026 | O129450 | |
| Certificate of Analysis | Apr 15, 2026 | O129450 | |
| Certificate of Analysis | Apr 15, 2026 | O129450 | |
| Certificate of Analysis | Mar 19, 2026 | O129450 | |
| Certificate of Analysis | Mar 04, 2025 | O129450 | |
| Certificate of Analysis | Mar 04, 2025 | O129450 | |
| Certificate of Analysis | Mar 04, 2025 | O129450 | |
| Certificate of Analysis | Mar 04, 2025 | O129450 | |
| Certificate of Analysis | Mar 04, 2025 | O129450 | |
| Certificate of Analysis | Mar 04, 2025 | O129450 | |
| Certificate of Analysis | Dec 06, 2022 | O129450 |
| Solubility | Soluble in water, and DMSO. |
|---|---|
| Sensitivity | light sensitive;Moisture sensitive |
| Melt Point(°C) | 294 °C(dec.) |
| Molecular Weight | 346.200 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 4 |
| Exact Mass | 346.018 Da |
| Monoisotopic Mass | 346.018 Da |
| Topological Polar Surface Area | 145.000 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 415.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 3 |
| 1. Jiaying Li, Yuji Pu, Sai Li, Bin He, Jianlin Chen. (2023) Orally Administrated Olsalazine-Loaded Multilayer Pectin/Chitosan/Alginate Composite Microspheres for Ulcerative Colitis Treatment. BIOMACROMOLECULES, [PMID:37068182] [10.1021/acs.biomac.3c00146] |
| 2. Qiqi Sun, Jun Chen, Quan Zhao, Ziyun He, Lei Tang, Yuji Pu, Bin He. (2023) Bio-adhesive and ROS-scavenging hydrogel microspheres for targeted ulcerative colitis therapy. INTERNATIONAL JOURNAL OF PHARMACEUTICS, [PMID:37068716] [10.1016/j.ijpharm.2023.122962] |
| 3. Yifei Wang, Yaning Xia, Mengyang Zhou, Yong Zhang, Jingliang Cheng, Yupeng Shi. (2025) An orally biological chemotaxis-guided hypoxia-responsive biomimetic microcapsules for visualizing multi-faceted synergistic therapy of inflammatory bowel disease. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2025.160203] |