Buy Ro4-1539 (Furethylnorlevorphanol) Online – High-Potency Opioid Analogue from Momarchem
At Momarchem.com, you can buy Ro4-1539 online and obtain a premium-quality research-grade opioid analogue for laboratory study. Ro4-1539 (furethylnorlevorphanol) is a potent synthetic opioid analgesic related to levorphanol but with significantly higher potency.
Originally developed by Hoffmann-La Roche in the 1950s, Ro4-1539 underwent rodent-based pharmacological testing and demonstrated a favorable therapeutic index. However, despite its promising results, it was never marketed as a pharmaceutical drug.
Laboratory research has shown that Ro4-1539 is a strong μ-opioid receptor agonist, with potency exceeding that of levorphanol by more than 30 times. In controlled rodent studies, it was observed to cause intense analgesia, sedation, euphoria, constipation, itching, and, at high doses, respiratory depression.
Ro4-1539 remains a research chemical with toxicological and pharmacological properties not yet fully studied. For this reason, it is intended strictly for laboratory research, analytical testing, and forensic analysis.
At Momarchem, we ensure every batch of Ro4-1539 is synthesized in modern, fully equipped laboratories under rigorous quality control standards, guaranteeing high purity and consistency for reliable research outcomes.
Product Details:
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Chemical Name: Ro4-1539 (Furethylnorlevorphanol)
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Class: Synthetic opioid analgesic, levorphanol analogue
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Potency: Over 30× more potent than levorphanol
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Form: High-purity crystalline powder
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Effects in Studies: Sedation, analgesia, euphoria, constipation, itching, respiratory depression at high doses
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Intended Use: Laboratory and forensic research only
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Storage Conditions: Store in a cool, dry place; shelf life up to 2 years
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Restrictions: Not for human or animal consumption
Key Features:
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Extremely potent μ-opioid receptor agonist
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Structurally related to levorphanol
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Synthesized in pharmaceutical-grade laboratories
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Suitable for pharmacological and toxicological research
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High-purity research compound with discreet worldwide shipping from Momarchem
Order today from Momarchem.com to secure Ro4-1539 for your professional research needs.





