General and Technical Questions
How can N-Acetylneuraminic Acid be used?
Presently the following studies have been carried out with sialic acid. 1. Anti-virus function 2. Anti-cancer function 3. Anti-inflammation function 4. Defensive function against bacteriological infection 5. Controlling ability of immune system 6. Restraining ability against pigmentation 7. Signal transformation in nerve cells
What is the shelf-life of the product I just bought?
Store tightly sealed in dark and on desiccated condition below 5℃ for at least one year. Hygroscopic. Following reconstitution, aliquot and freeze(-20℃). This product is stable for 2 years as supplied.
What is the purity of this product?
We have specifications that define the acceptable purity standards for our product. Our certificate of analysis describes the purity specification and the measured purity for the product. If you have received a product without a certificate of analysis, our Technical Assistance Department can usually provide you with purity data from specific production lots.
The box says "Freeze Upon Arrival" but it was at room temperature when it arrived. Is it OK?
For long-term storage, it is best if the product is frozen, but it is stable for the period of shipment even if it has warmed up to room temperature. Products can be shipped at ambient temperature for a short time to save shipping costs, and this does not result in any loss of product performance.
Do you know the solubility of our product?
Our product is soluble in water, slightly soluble in ethanol and insoluble in diethyl ether.
You recommend desiccated storage. How do I keep this product desiccated?
Many people simply store their vials in tightly sealed jars with a desiccant layered on the bottom of the jar.
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