QS‑21 is a potent triterpenoid saponin immunostimulant, and one of the most clinically valuable naturally‑derived adjuvants following aluminium‑based adjuvants. As a natural vaccine adjuvant, QS‑21 can potently induce balanced Th1/Th2 immune responses, with particular potency in driving cellular immunity.
Name: QS‑21
Molecular Formula: C₉₂H₁₄₈O₄₆
Molecular Weight: 1990.15
CAS: 141256‑04‑4
Source: Purified from Quillaja saponaria bark
Grade: Injectable‑grade pharmaceutical excipient
Precautions
Protect from light and heat. Avoid contact with strong oxidizing substances. Do not subject to repeated freeze‑thaw cycles.
规格
别名
皂树皂苷 21 | 皂苷 QA-21V1
英文别名
QS-21 Adjuvant,Stimulon
规格或纯度
BioReagent, 冻干粉, 注射级, ≥98%, 来源于皂树树皮
稳定性与储存
Store at-20℃ long term (36 months). Store in the dark.