856436-16-3 Methanesulfonic acid--5-(pyridin-3-yl)-3-[(1H-pyrrol-2-yl)methylidene]-1,3-dihydro-2H-indol-2-one (1/1) DTXSID80648020 CAS 856436-16-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 856436-16-3 |
| Molecular Formula | C18H13N3O CH4O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 856436-16-3 Methanesulfonic acid--5-(pyridin-3-yl)-3-[(1H-pyrrol-2-yl)methylidene]-1,3-dihydro-2H-indol-2-one (1/1) DTXSID80648020 (CAS 856436-16-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H13N3O CH4O3S. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H13N3O CH4O3S |
| Molecular Weight | 383.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 5-fluoro-2-iodobenzoate (CAS 127500-78-1)
- 4-Bromo-6,7-dimethoxy-2-methylquinoline (CAS 1378260-34-4)
- 1-benzyl-2-methylpiperidin-3-ol (CAS 1256091-41-4)
- 2-(4-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-16-5)
- 2-((2-Nitrophenyl)thio)benzo[d]isothiazol-3(2h)-one 1,1-dioxide (CAS 16239-03-5)
- Benzyl 2-(6-methylpyridin-2-yl)pyrrolidine-1-carboxylate (CAS 1352499-04-7)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com