Propargyl-PEG5-1-o-(b-cyanoethyl-n,n-diisopropyl)phosphoramidite CAS 1682657-14-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1682657-14-2 |
| Molecular Formula | C20H37N2O6P |
| Molecular Weight | 432.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Propargyl-PEG5-1-o-(b-cyanoethyl-n,n-diisopropyl)phosphoramidite (CAS 1682657-14-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H37N2O6P. Molecular weight: 432.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H37N2O6P |
| Molecular Weight | 432.49 g/mol |
| Appearance | 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Methyl 4-(N-(3-((phenylcarbamoyl)oxy)cyclohexyl)sulfamoyl)benzoate (CAS 1396760-74-9)
- 2-(1-Methyl-1H-benzo[d]imidazol-2-yl)-4-phenylthiazole (CAS 61690-12-8)
- (S)-tert-Butyl (1-(5-(4-bromophenyl)-1H-imidazol-2-yl)-2-methylpropyl)carbamate (CAS 1087346-51-7)
- 2-Ethyl-5,6-dimethylthieno[2,3-d]pyrimidine-4-thiol (CAS 917746-80-6)
- 2-Methyl-2-(4-oxocyclohexyl)propanoic acid (CAS 156042-34-1)
- 2,6 - Difluoro - 3 - methylbenzaldehyde 2,6-Difluoro-3-methyl-benzaldehyde 2,6-difluoro-m-tolualdehyde 261763-34-2 benzaldehyde, 2,6-difluoro-3-methyl- (CAS 261763-34-2)
- Ethyl 2-((3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)thio)decanoate (CAS 87202-58-2)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
Why CATO?
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