Calcitriol, also known as Calcifediol, is a key active form of vitamin D. Its chemical name is 1α,25-Dihydroxyvitamin D3, with the CAS number 19356-17-3. The molecular formula is C₂₇H₄₄O₂ and the molecular weight is 400.64 g/mol. It is available in high purity (98%) and is commonly used for content analysis, identification, pharmacological research, and activity screening.
Specifications include various quantities such as 20mg, 50mg, 100mg, 500mg, 1g, and 2g, with custom packaging options available to meet specific customer requirements. It should be stored at 2–8°C in a dry, dark, and sealed environment to maintain its stability and effectiveness.

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- Large Inventory: We stock over 10,000 different products, ensuring you can always find what you need without delays in your experiments or research.
- Professional Documentation: We provide standard invoices, tax invoices, and detailed sales records to ensure transparency and compliance.
- Customization Services: Our team offers tailored solutions, allowing us to modify standard products or extracts according to your unique specifications.
- Quality Assurance: If the product or packaging does not match the description in terms of name, purity, content, or quantity, we offer a full refund.
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- Efficient Shipping: Small orders are shipped via STO, YTO, and other express services, while bulk shipments use dedicated logistics. Urgent deliveries can be arranged with our own vehicles.
- Comprehensive After-sales Support: Our dedicated customer service team ensures full tracking from order to delivery, providing peace of mind throughout the process.
We welcome you to become a valued customer. This partnership will mark the beginning of a long-term and successful collaboration. Your success is our greatest achievement.
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