2,5-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)terephthalohydrazide CAS 121761-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 121761-43-1 |
| Molecular Formula | C22H38N4O10 |
| Molecular Weight | 518.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)terephthalohydrazide (CAS 121761-43-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H38N4O10. Molecular weight: 518.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H38N4O10 |
| Molecular Weight | 518.56 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Related Bis Standards
- 2',5'-Bis(2-(2-methoxyethoxy)ethoxy)-[1,1':4',1''-terphenyl]-4,4''-diamine (CAS 2172944-60-2)
- 3,3′-Bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]-2,2′-bithiophene (CAS 1636120-18-7)
- 2,5-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)terephthalic acid (CAS 1374006-27-5)
- 1,4-Bis((2-(2-(2-Methoxyethoxy)ethoxy)ethyl)(methyl)amino)anthracene-9,10-dione (CAS CATO-CIM-103936)
- 2,4,6-Tris(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)-1,3,5,2,4,6-trioxatriborinane (CAS 322471-05-6)
- 2,5-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)terephthalaldehyde (CAS 1624759-52-9)
- 2',5'-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)-[1,1':4',1''-terphenyl]-4,4''-diamine (CAS 2172944-61-3)
- 9,9-Bis(2-(2-methoxyethoxy)ethoxy)-2,5,8-trioxa-9-siladodecan-12-amine (CAS 87794-64-7)
Recommended Standards
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- 2-methyl-2-[(4-methylphenyl)methyl]pyrrolidine hydrochloride (CAS 2060000-33-9)
- alpha,2,6-Trichlorobenzaldoxime (CAS 6579-27-7)
- N-(Thiophen-3-ylmethyl)butan-1-amine (CAS 892592-54-0)
- 2-(2,4-Dichlorobenzyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1800284-57-4)
- (S)-1-(tert-Butoxycarbonyl)-4-(4-formyl-3-nitrophenyl)piperazine-2-carboxylic acid 1787046-63-2 (CAS 1787046-63-2)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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