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CAS: 80506-64-5
Molecular Formula: C₅H₁₃NO₂ (repeating unit varies by MW)
Molecular Weight: 119.16 (base unit)
EINECS: /
HS Code: 39072090
Synonyms: mPEG‑NH₂; Methoxy PEG amine; Poly(ethylene glycol) methyl ether amine; mPEG‑Amine; PEG‑NH2
Methoxypolyethylene Glycol Amine (mPEG‑NH₂) CAS 80506-64-5 is a monodisperse or polydisperse polyethylene glycol derivative with a reactive primary amine end group and a terminal methoxy group. It is widely used as a bioconjugation linker, PEGylation reagent, and reactive intermediate for pharmaceuticals, proteins, peptides, and advanced biomaterials.
| Item | Value |
| Appearance | White to off‑white granular solid |
| Melting Point | 58–61 °C |
| Flash Point | >110 °C |
| Molecular Weight | Custom: 500, 1000, 2000, 5000, 10000, 20000 |
| Purity | ≥95% (HPLC) |
| Storage Condition | 2–8 °C, sealed, dry, away from light |
Mikem offers flexible packaging options, including 25 kg fiber drums and 15–25 kg PP/PE bags for solid products, all customizable to meet your specific needs.
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Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
Founded in 2020, Mikem Chemical Group Co., Ltd. is a trusted global partner in the chemical supply chain, offering a wide range of inorganic and organic compounds, cleaning agents, pigments, additives, and APIs. With over 300 employees and a 20,000 m² facility integrating production, R&D, testing, and storage, Mikem delivers reliable products and tailored solutions that create lasting value for customers worldwide.
At Mikem Chemical Group, our commitment lies in providing dependable goods and customized approaches, fostering enduring benefits for clients across the globe.
At Mikem, our advanced factory and laboratory form the foundation of our chemical production excellence. Equipped with modern manufacturing lines and precision testing instruments, we ensure every product meets strict international standards for quality, safety, and performance.
Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
