Cholesterol (CAS 57-88-5) | High Purity price & Supplier
Cholesterol CAS 57-88-5
- Surfactant Appearance: Powder
- Proportion: Minimum 99.0%
- Inventory: In stock
- Sample: In stock
- Zhishang Chemical: Supplier and manufacturer of dibutyl phthalate
What is Cholesterol (CAS 57-88-5)? A Technical Deep Dive for High-End B2B Sourcing ?
To the general public, cholesterol is often simplified as a dietary health metric. But in the world of high-end chemical synthesis, pharmaceutical manufacturing, and advanced cosmetics, Cholesterol (CAS 57-88-5) is a highly sought-after, structurally rigid lipid. This white-to-faintly-yellow crystalline powder acts as a foundational building block for some of the most sophisticated technologies on the market today—ranging from cell culture media and mRNA vaccine delivery to biomimetic skin-barrier cosmetics.
At Zhishang Chemical, we understand that sourcing commercial-scale cholesterol isn’t like buying basic commodity solvents. The material’s origin, purity profile, and crystal behavior directly dictate the success of your downstream formulations. Here is a practical, no-nonsense look at what makes this molecule so critical and how to evaluate it for your production line.
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Core Applications: Where Industry Meets Molecular Rigidity
The unique chemical structure of Cholesterol (CAS 57-88-5)—a tetracyclic hydrocarbon framework with a hydrophobic tail and a single hydrophilic hydroxyl group—allows it to insert itself perfectly into lipid bilayers. This simple structural action yields massive benefits across three primary industrial sectors:
1. Next-Gen Pharma: Liposomes and LNP Drug Delivery
If your R&D team is working on Lipid Nanoparticles (LNPs) for mRNA vaccines or liposomal drug delivery systems for targeted oncology therapeutics, cholesterol is non-negotiable. It acts as a membrane “fluidity buffer.” In non-technical terms, it prevents the nano-capsule from falling apart in blood circulation while ensuring it can flexibly release its therapeutic payload once inside the target cell.
2. Advanced Cosmetics: Biomimetic Stratum Corneum Repair
Human skin lipids naturally consist of a precise ratio of ceramides, cholesterol, and free fatty acids. For cosmetic formulators creating high-performance creams for sensitive or aging skin, incorporating high-purity cosmetic-grade cholesterol is the only way to truly replicate this natural barrier. It locks in moisture and prevents Transepidermal Water Loss (TEWL) far better than standard synthetic mineral oils.
3. Biotechnology: Essential Nutrient in Cell Culture Media
Many mammalian cell lines used in biomanufacturing cannot synthesize cholesterol on their own. Therefore, high-purity, bio-available cholesterol must be introduced into the serum-free cell culture media to maintain cell membrane integrity and maximize protein or virus yields.
Sourcing Specifications: Lanolin-Derived vs. Plant-Derived
When negotiating with a supplier like Zhishang Chemical, one of the first technical decisions your procurement team faces is the origin of the material. Historically, bulk commercial cholesterol is extracted and purified via the multi-stage saponification of lanolin (wool grease).
While lanolin-derived cholesterol remains the gold standard for purity (often reaching ≥ 99%) and cost-efficiency, the rise of strict global regulatory trends has pushed some pharmaceutical and premium cosmetic brands toward plant-derived (phyto-cholesterol) alternatives to entirely bypass concerns regarding animal-derived pathogens (BSE/TSE). At Zhishang Chemical, we maintain a flexible supply matrix, allowing us to cater to both traditional high-purity wool-grease extraction and certified plant-source specifications based on your specific compliance roadmaps.
The Procurement Checklist: What to Look For Beyond the COA
A standard Certificate of Analysis (COA) only tells half the story. When our technical support engineers at Zhishang Chemical work with global buyers, we emphasize focusing on these three hidden performance metrics:
- Purity and Residue Limits: For pharmaceutical and high-end cosmetic lines, look for a purity profile of no less than 99%. More importantly, look at the trace impurities. Excess lipid peroxides or heavy metal residues can rapidly destabilize active ingredients (like Retinol or Vitamin C) in your formulation, causing the finished product to change color or separate prematurely.
- Crystal Particle Morphology: Is the powder micronized or clumped? Coarse, irregular crystals require extended heating cycles and high-shear mixing to dissolve, which can degrade other heat-sensitive components in your blend.
- Packaging Under Inert Gas: Pure cholesterol is sensitive to long-term air exposure. To ensure a long shelf-life and zero rancid odor upon arrival, Zhishang Chemical ships its premium batches sealed under a nitrogen blanket in light-shielded, moisture-proof container systems.
Build a More Reliable Supply Chain with Zhishang Chemical
Finding a chemical broker is easy, but finding a factory-direct partner that understands international regulatory compliance, reliable shipping logistics, and batch-to-batch technical transparency is a different game entirely.
Zhishang Chemical bridges that gap by providing bulk, commercial-scale Cholesterol (CAS 57-88-5) with a completely transparent paper trail (MSDS, COA, and regulatory declarations). We invite your technical team to put our material to the test.
Ready to evaluate a sample in your lab or request a direct multi-kilogram/ton-scale price quote? Contact our export specialists at Zhishang Chemical today, and let’s optimize your raw material pipeline together.
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