Propargyl-PEG4-O-C1-NHS ester CAS 1161883-51-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1161883-51-7 |
| Molecular Formula | C17H25NO9 |
| Molecular Weight | 387.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Propargyl-PEG4-O-C1-NHS ester (CAS 1161883-51-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C17H25NO9. Molecular weight: 387.38 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H25NO9 |
| Molecular Weight | 387.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-((4-Ethoxyphenyl)amino)-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid (CAS 113749-78-3)
- 15-(3,4-Dichlorophenyl)pentadecanoic acid (CAS 116409-73-5)
- Methyl N-[(4-methylphenyl)sulfonyl]-N-[3-(trifluoromethyl)phenyl]glycinate (CAS 592470-86-5)
- (5E)-3-(2-Chlorophenyl)-5-({4-[(3,4-dichlorophenyl)methoxy]-3-nitrophenyl}methylidene)-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 329779-79-5)
- 1,3-Dithiolan-2-imine (CAS 4472-81-5)
- n-(3-Fluorophenyl)-1-methylpiperidin-4-amine (CAS 36796-55-1)
- 5-(6-Chlorooxazolo[5,4-b]pyridin-2-yl)-2-methoxyaniline (CAS 1354778-25-8)
- 0427AD 1185301-27-2 2-[3-(2-Methoxyethyl)-1,2,4-oxadiazol-5-yl]-piperidine hydrochloride C10H18ClN3O2 (CAS 1185301-27-2)
- 1-Ethyl-4,6-dimethylindoline-2,3-dione (CAS 591252-78-7)
- Semaglutide Impurity 147 (CAS CATO-C4X-2226147)
Why CATO?
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