INCI name: DL-Panthenol
Application: moisturizing products
Appearance: white to off-white crystalline powder
Water Solubility: Soluble in water
Molecular Formula: C9H19NO4
Molecular Weight: 205.25
CAS No.: 16485-10-2 
Molecular Structure:

Storage and Shelf Life: 
Keep it tightly closed, shielded from light, and keep it in a cool and dry place.
If strictly following the storage instruction, it can be stored well for 2 years.