CAS number: 81-13-0

Molecular formula: C9H19NO4

molecular weight: 205.2515

Chemical structure:

Product name:    Dexpanthenol
Shelf lifeTwo years
Inspection Standard: USP34
AppearanceColorless, viscous and clearConform
IdentificationA:Infrared AbsorptionConform
B、C:Positive reactionPositive reaction
Assay(on the anhydrous basis)98.0%~102.0%99.57%
WaterNot more than 1.0%0.42%
Specific rotation+29.0° ~+31.5°+31.08°
Limit of aminopropanolNot more than 1.0%0.56%
Residue on ignitionNot more than 0.1%0.05%
Refractive Index(20℃)Meets the requirementsMeets the requirements
Conclusion : Conform to USP34