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4-MethoxymethylFentanyl

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R-30490 (also known as 4-Methoxymethylfentanyl) is an opioid analgesic related to the highly potent animal tranquilizer carfentanil and with only slightly lower potency. It was first synthesised by a team of chemists at Janssen Pharmaceutica led by Paul Janssen, who were investigating the structure-activity relationships of the fentanyl family of drugs. R-30490 was found to be the most selective agonist for the μ-opioid receptor out of all the fentanyl analogues tested, but it has never been introduced for medical use in humans, although the closely related drug sufentanil is widely used for analgesia and anesthesia during major surgery.

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Ammonium Chloride offered by us is used as a flux in preparing metals to be tin coated, galvanized or soldered. It works as a flux by cleaning the surface of work pieces by reacting with the metal oxides at the surface to form a volatile metal chloride, used as an expectorant in cough medicine. Its expectorant action is caused by irritative action on the bronchial mucosa, which causes the production of excess respiratory tract fluid, which presumably is easier to cough up, working as a yeast nutrient in bread making and as an acidifier.  We can make it available in TECH and PURE grade. Ammonium Chloride is available in the form of White Powder packed in 25,50kg HDPE Bag. We can offer it in many grades as per the application needs in different industry sectors.

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    chessick

    Glad my product was ‘in stock’ this order! Thanks for the speedy delivery!

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