PEG4-SPDP CAS 1305053-43-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1305053-43-3 |
| Molecular Formula | C20H28N2O8S2 |
| Molecular Weight | 488.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
PEG4-SPDP (CAS 1305053-43-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H28N2O8S2. Molecular weight: 488.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H28N2O8S2 |
| Molecular Weight | 488.57 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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- N,N-Bis(trifluoroacetyl)-L-homocystine Dimethyl Ester (CAS 84355-09-9)
- 4-Fluorobenzo[d]isoxazole-3-carboxylic acid (CAS 1352396-59-8)
- 2-(8-Oxo-5,6,7,8-tetrahydro-1H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid (CAS 842975-51-3)
- Galanin-Like Peptide (rat) trifluoroacetate salt (CAS 245114-97-0)
Why CATO?
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