CAS No. 58316-41-9

Batch: Purity:99.22
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Saikosaponin B2 Chemical Structure
Chemical Structure
Check the Saikosaponin B2 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (2S,3R,4S,5S,6R)-2-[(2R,3R,4S,5S,6R)-2-[[(3S,4R,4aR,6aR,6bS,8R,8aS,14aR,14bS)-8-hydroxy-4,8a-bis(hydroxymethyl)-4,6a,6b,11,11,14b-hexamethyl-1,2,3,4a,5,6,7,8,9,10,12,14a-dodecahydropicen-3-yl]oxy]-3,5-dihydroxy-6-methyloxan-4-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
CAS Number 58316-41-9
Molecular Formula

C42H68O13
Molecular Weight (MW) 780.98
SMILES CC1C(C(C(C(O1)OC2CCC3(C(C2(C)CO)CCC4(C3C=CC5=C6CC(CCC6(C(CC54C)O)CO)(C)C)C)C)O)OC7C(C(C(C(O7)CO)O)O)O)O
InChIKey WRYJYFCCMSVEPQ-ORAXXRKOSA-N

Ordering Information

Biological Activity

Saikosaponin B2 is a naturally occurring triterpenoid saponin that acts as a potent inhibitor of hepatitis C virus (HCV) entry. It neutralizes early viral infection by directly targeting HCV particles, preventing viral attachment and host membrane fusion. Through these actions, Saikosaponin B2 blocks viral cell entry and cell-to-cell transmission, effectively suppressing downstream viral replication and infection spread.

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 100 mg/mL (128.04 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.