Bis-propargyl-PEG4 CAS 159428-42-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 159428-42-9 |
| Molecular Formula | C14H22O5 |
| Molecular Weight | 270.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis-propargyl-PEG4 (CAS 159428-42-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H22O5. Molecular weight: 270.32 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H22O5 |
| Molecular Weight | 270.32 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
Related Bis Standards
- Propargyl-PEG2-NHS ester (CAS 2512228-06-5)
- Propargyl-PEG3-Boc (CAS 1374658-84-0)
- Propargyl-PEG4-CH2-acid (CAS 1872433-74-3)
- Propargyl-PEG5-amine (CAS 1589522-46-2)
- Propargyl-PEG1-SS-PEG1-acid (CAS 1807503-85-0)
- Propargyl-PEG5-OH (CAS 1036204-60-0)
- Propargyl-PEG4-acid (CAS 1415800-32-6)
- Propargyl-PEG2-Tos (CAS 145916-41-2)
Recommended Standards
- 1,3-Bis(2,2-dimethyl-1,3-dioxolan-4-ylmethyl)carbodiimide (CAS 159390-26-8)
- tert-Butyl 5-oxo-1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate (CAS 1646635-53-1)
- Ethyl 4-(benzyloxy)-3-methylbenzoate (CAS 158771-02-9)
- Methyl 2-amino-4-methylhexanoate (CAS 1344252-27-2)
- 5, 22E-CHOLESTADIEN-3β-OL (CAS 34347-28-9)
- 5-Chlorobenzo[d][1,3]dioxole-4-carbaldehyde (CAS 249636-63-3)
- (R)-(-)-3-Hydroxybutyric Acid-d (CAS 344298-82-4)
- tert-Butyl ((1-(2-aminoacetyl)pyrrolidin-3-yl)methyl)(ethyl)carbamate (CAS 1353974-70-5)
- trans-4-Phenylcyclohexanecarboxylic Acid (CAS 1466-73-5)
- Neuropeptide Y (18-36) (CAS 114495-97-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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