QS-21 - BioReagent, Lyophilized powder, Injection grade, ≥98%, Quillaja saponaria bark, used for QS‑21 has been validated in more than 120 clinical trials, with its safety and efficacy widely recognized. As a key component of the HA201a adjuvant system (C

CAS: 141256-04-4 Cat. No.: Q1527991 Formula: C₉₂H₁₄₈O₄₆ Molecular Weight: 1990.15 EC Number: 814-254-2

GRADE & PURITY BioReagent, Lyophilized powder, Injection grade, ≥98%, Quillaja saponaria bark

Synonyms

QS-21 Adjuvant，Stimulon

Storage

Protected from light,Store at -20°C

Shipped In

Ice chest + Ice pads

Application

990

Overview

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.

Specifications

Synonyms

QS-21 Adjuvant，Stimulon

Specifications & Purity

BioReagent, Lyophilized powder, Injection grade, ≥98%, Quillaja saponaria bark

Application

QS‑21 has been validated in more than 120 clinical trials, with its safety and efficacy widely recognized. As a key component of the HA201a adjuvant system (Cat. No.: H1526829) , this product can be utilized for the development of various vaccines. QS‑21

Stability And Storage

Store at-20℃ long term (36 months). Store in the dark.

Storage

Protected from light,Store at -20°C

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

BioReagent, Injection grade, Lyophilized powder

Purity

≥98%

Product Line

biological_products

Names and Identifiers

Isomeric SMILES

CC[C@H](C)[C@H](C[C@@H](CC(=O)O[C@@H](C[C@@H](CC(=O)O[C@H]1[C@H](O[C@H]([C@@H]([C@H]1O)O[C@H]2[C@@H]([C@@H]([C@H]([C@@H](O2)C)O[C@H]3[C@@H]([C@H]([C@@H](CO3)O)O[C@H]4[C@@H]([C@](CO4)(CO)O)O)O)O)O)OC(=O)[C@]56CCC(C[C@H]5C7=CC[C@@H]8[C@]9(CC[C@@H]([C@@]([C@@H]9CC[C@]8([C@@]7(C[C@H]6O)C)C)(C)C=O)O[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)C(=O)O)O)O[C@H]1[C@@H]([C@H]([C@@H](CO1)O)O)O)O[C@H]1[C@@H]([C@H]([C@H]([C@H](O1)CO)O)O)O)C)(C)C)C)O)[C@@H](C)CC)O)O[C@H]1[C@@H]([C@H]([C@@H](O1)CO)O)O

Molecular Weight

1990.15

Chemical and Physical Properties

• Sensitivity: Light-sensitive