≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Information
RO9021 RO9021 potently inhibits SYK kinase activity with an average IC50 of 5.6 nM and suppresses B-cell receptor signaling.
Targets
Syk (Cell-free assay) 5.6 nM
In vitro
RO9021 suppresses BCR signaling in human peripheral blood mononuclear cells (PBMC) and whole blood, FcγR signaling in human monocytes, and FcεR signaling in human mast cells and blocks osteoclastogenesis from mouse bone marrow macrophages in vitro. Toll-like Receptor(TLR) 9 signaling in human Bcells was inhibited by RO9021, resulting in decreased levels of plasmablasts, immunoglobulin (Ig)M and IgG upon B-cell differentiation. RO9021 also potently inhibited type I interferon production by human plasmacytoid dendritic cells (pDC) upon TLR9 activation. This effect is specific to TLR9 as RO9021 did not inhibit TLR4- or JAK-STAT-mediated signaling. RO9021 does not appreciably inhibit the JAK-STAT pathway.
In vivo
Oral administration of RO9021 inhibits arthritis progression in the mCIA model.
Cell Research(from reference)
Cell lines：Human B-cell line, Ramos
Concentrations：1 μM
Incubation Time：5 or 15 min
| ALogP | 2.299 |
|---|---|
| Nombre de HBD | 4 |
| Liaison rotative | 5 |
| Pubchem Sid | 504772187 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504772187 |
| Sourires canoniques | CC1=C(N=C(C=C1)NC2=CC(=NN=C2C(=O)N)NC3CCCCC3N)C |
| IUPAC Name | 6-[[(1R,2S)-2-aminocyclohexyl]amino]-4-[(5,6-dimethylpyridin-2-yl)amino]pyridazine-3-carboxamide |
| InChIKey | XJZVCDVZCRLIKN-QWHCGFSZSA-N |
| INCHI | 1S/C18H25N7O/c1-10-7-8-15(21-11(10)2)23-14-9-16(24-25-17(14)18(20)26)22-13-6-4-3-5-12(13)19/h7-9,12-13H,3-6,19H2,1-2H3,(H2,20,26)(H2,21,22,23,24)/t12-,13+/m0/s1 |
| Isomères SMILES | CC1=C(N=C(C=C1)NC2=CC(=NN=C2C(=O)N)N[C@@H]3CCCC[C@@H]3N)C |
| PubChem CID | 71626896 |
| Poids moléculaire | 355.44 |
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 | Organic acids and derivatives |
| Classe | Carboxylic acids and derivatives |
| Subclass | Carboxylic acid derivatives |
| Intermediate Tree Nodes | Carboxylic acid amides |
| Direct Parent | 2-heteroaryl carboxamides |
| Alternative Parents | Methylpyridines Cyclohexylamines Aminopyridines and derivatives Aminopyridazines Imidolactams Vinylogous amides Heteroaromatic compounds Primary carboxylic acid amides Amino acids and derivatives Azacyclic compounds Organooxygen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | 2-heteroaryl carboxamide - Aminopyridazine - Aminopyridine - Methylpyridine - Cyclohexylamine - Imidolactam - Pyridine - Pyridazine - Heteroaromatic compound - Vinylogous amide - Amino acid or derivatives - Primary carboxylic acid amide - Azacycle - Organoheterocyclic compound - Amine - Primary amine - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Aromatic heteromonocyclic compound |
| Description | This 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 |
| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Article |
|---|---|---|---|
 A2626027 | Certificate of Analysis | Jan 29, 2026 | R413732 |
| C2306732 | Certificate of Analysis | Dec 12, 2025 | R413732 |
| C2306733 | Certificate of Analysis | Dec 12, 2025 | R413732 |
| C2306734 | Certificate of Analysis | Dec 12, 2025 | R413732 |
| C2306735 | Certificate of Analysis | Dec 12, 2025 | R413732 |
| C2306736 | Certificate of Analysis | Dec 12, 2025 | R413732 |
| C2306737 | Certificate of Analysis | Dec 12, 2025 | R413732 |
| Solubilité | Solubility (25°C) In vitro DMSO: 71 mg/mL (199.75 mM); Ethanol: 18 mg/mL (50.64 mM); Water: Insoluble; |
|---|---|
| DMSO (mg/mL) Solubilité maximale | 5 |
| DMSO (mM) Solubilité maximale | 14.0670718 |
| Eau (mg/mL) Solubilité maximale | ＜1 |
| Poids moléculaire | 355.400 g/mol |
| XLogP3 | 1.900 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 5 |
| Exact Mass | 355.212 Da |
| Monoisotopic Mass | 355.212 Da |
| Topological Polar Surface Area | 132.000 Ų |
| Heavy Atom Count | 26 |
| Formal Charge | 0 |
| Complexity | 476.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 2 |
| 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 | 1 |
