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What is Phenacetin? Phenacetin is a synthetic organic compound, known chemically as *N-(4-Ethoxyphenyl)acetamide*. For decades, it was a cornerstone of over-the-counter medicine before being withdrawn due to safety concerns. Today, it is primarily used in controlled research and industrial settings. Its basic identifiers are: The History and Rise of Phenacetin as an Analgesic Phenacetin’s history is a

[wroten by ZX VIAL SUPPLIES, CHINA] The Core Difference: Purpose The difference between 0.22um syring filter and 0.45um syringe filter? also how can we choose and use it properly? Of course. This is an excellent and fundamental question in laboratory work. The choice between a 0.22 µm and a 0.45 µm syringe filter is critical

[Wrote by ZX VIAL SUPPLIES, CHINA] If you’re developing a topical analgesic, anesthetic cream, or pharmaceutical product, choosing between Benzocaine and Lidocaine is a critical decision. This choice impacts your product’s efficacy, safety profile, and regulatory pathway. This definitive guide provides an exact, detailed analysis of these two common local anesthetics, empowering you to make

[wrote by ZX VIAL SUPPLIES, CHINA] Introduction to Benzocaine API Benzocaine, a white crystalline powder with the chemical formula C9H11NO2 and CAS Number 94-09-7, is a cornerstone local anesthetic ester. As a key Active Pharmaceutical Ingredient (API), it is renowned for its rapid onset of action and effectiveness in blocking nerve signals. Sourced by industries

[wroten by ZX VIAL SUPPLIES, CHINA] As modern lifestyles continue to improve, with greater abundance and a wider variety of foods, the increasing diversity and consumption of food have naturally led to rising obesity rates—especially among women. In order to maintain a slim figure, many resort to extreme dieting for rapid weight loss, which can

[Made by ZX VIAL SUPPLIES.COM. CHINA] In the world of sealing solutions, butyl rubber and silicone stoppers serve critical yet distinct roles across industries. Butyl rubber stoppers, renowned for their exceptional gas barrier properties, are the go-to choice for pharmaceutical vial closures and airtight laboratory applications. In contrast, silicone rubber stoppers offer unmatched flexibility, biocompatibility,

[Wroten by ZX VIAL SUPPIES, CHINA] Common types of hollow capsules Empty capsules are usually made of gelatin or hydroxypropyl methylcellulose. They can be divided into different types according to their size, shape and color. The most common types are: Seperated Empty Gelatin Capsules Size 4 Different models are used in different scenarios. For example, No.

[Wroten by ZX VIAL SUPPIES, CHINA] Application of the Capsule Shell It can hold solid medications, protecting them from moisture, air, and light. It can also mask the bitterness, odor, and other unpleasant odors of the active ingredient. Appearance of the Capsule Shell The capsule shell consists of two overlapping lobes (capsule cap and capsule