4733-50-0 2,3-Dicyanohydroquinone 1,2-Benzenedicarbonitrile, 3,6-dihydroxy- (9CI) 3,6-Dihydroxyphthalonitrile Phthalonitrile, 3,6-dihydroxy- (8CI) AI3-18625 2,3-Dicyanobenzene-1,4-diol 2,3-Dicyano-p-hydroquinone 3,6-Dihydroxyphthalodinitrile EINECS 225-241-0 NSC 43554 CAS 4733-50-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4733-50-0 |
| Molecular Formula | C8H10N2O2 |
| Molecular Weight | 166.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4733-50-0 2,3-Dicyanohydroquinone 1,2-Benzenedicarbonitrile, 3,6-dihydroxy- (9CI) 3,6-Dihydroxyphthalonitrile Phthalonitrile, 3,6-dihydroxy- (8CI) AI3-18625 2,3-Dicyanobenzene-1,4-diol 2,3-Dicyano-p-hydroquinone 3,6-Dihydroxyphthalodinitrile EINECS 225-241-0 NSC 43554 (CAS 4733-50-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H10N2O2. Molecular weight: 166.18 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H10N2O2 |
| Molecular Weight | 166.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
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- 5-Chloro-1,2,3-trifluorobenzene (CAS 36556-44-2)
- 1-(2,4-Diamino-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)ethanone (CAS 1854-52-0)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com