(E)-2-(3-Cyano-4-(2-(7-hydroxy-2-oxo-2H-chromen-3-yl)vinyl)-5,5-dimethylfuran-2(5H)-ylidene)malononitrile CAS 2123485-87-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2123485-87-8 |
| Molecular Formula | C21H13N3O4 |
| Molecular Weight | 371.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-2-(3-Cyano-4-(2-(7-hydroxy-2-oxo-2H-chromen-3-yl)vinyl)-5,5-dimethylfuran-2(5H)-ylidene)malononitrile (CAS 2123485-87-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H13N3O4. Molecular weight: 371.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H13N3O4 |
| Molecular Weight | 371.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 2-(4-Nitrophenyl)-1H-anthra[1,2-d]imidazole-6,11-dione (CAS 1609494-01-0)
- [γ-Glu]15 Semaglutide (CAS CATO-C4X-222690)
- (S)-7-bromo-6-fluorochroman-4-ol (CAS 1567918-90-4)
- N'-(1-benzylpiperidine-4-carbonyl)-2,4,6-trimethylbenzenesulfonohydrazide (CAS 478064-40-3)
- Z-Arg-Arg-AMC (I-1135.0050) (CAS 88937-61-5)
- 3-[(2,3-Dichlorophenoxy)methyl]piperidine (CAS 946713-10-6)
- 2-Amino-2-phenylbutan-1-ol hydrochloride (CAS 876-42-6)
- Neuropeptide S (rat) (CAS 412938-75-1)
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