2,2'-((((Oxybis(ethane-2,1-diyl))bis(oxy))bis(4,1-phenylene))bis(methaneylylidene))bis(1-phenylhydrazine) CAS 203805-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203805-28-1 |
| Molecular Formula | C30H30N4O3 |
| Molecular Weight | 494.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2'-((((Oxybis(ethane-2,1-diyl))bis(oxy))bis(4,1-phenylene))bis(methaneylylidene))bis(1-phenylhydrazine) (CAS 203805-28-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C30H30N4O3. Molecular weight: 494.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C30H30N4O3 |
| Molecular Weight | 494.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 4 |
Related Oxybis Standards
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- 3,3'-Oxybis(3-allyl-1,1,1,5,5,5-hexamethyltrisiloxane) (CAS 211931-07-6)
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Recommended Standards
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- rel-(tert-Butyl ((3S,4R)-4-aminotetrahydrofuran-3-yl)carbamate) (CAS 1629586-23-7)
- (4-Methoxy-phenyl)-morpholin-4-yl-acetonitrilehydrochloride (CAS 1129307-07-8)
- {[(2S,4S)-4-fluoro-1-[(5-methyl-1,2,4-oxadiazol-3-yl)methyl]pyrrolidin-2-yl]methyl}(methyl)amine dihydrochloride (CAS 1807941-78-1)
- 1-(3-Chloropyrazin-2-yl)pyrrolidin-2-one (CAS 720692-53-5)
- Semaglutide Impurity 147 (CAS CATO-C4X-2226147)
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