CAS No. 1404-90-6

Batch: Purity:99.73
Vancomycin Chemical Structure
Chemical Structure
Check the Vancomycin product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 1404-90-6
Molecular Formula

C66H75Cl2N9O24

Molecular Weight (MW) 1449.25
SMILES CC1C(C(CC(O1)OC2C(C(C(OC2OC3=C4C=C5C=C3OC6=C(C=C(C=C6)C(C(C(=O)NC(C(=O)NC5C(=O)NC7C8=CC(=C(C=C8)O)C9=C(C=C(C=C9O)O)C(NC(=O)C(C(C1=CC(=C(O4)C=C1)Cl)O)NC7=O)C(=O)O)CC(=O)N)NC(=O)C(CC(C)C)NC)O)Cl)CO)O)O)(C)N)O

Ordering Information

Biological Activity

Vancomycin is a glycopeptide antibiotic that targets bacterial cell wall peptidoglycan synthesis by binding with high affinity to the D-alanyl-D-alanine terminus of cell wall precursor units. This binding blocks the transpeptidation and transglycosylation steps during cell wall assembly, ultimately disrupting structural integrity and inducing osmotic cell lysis in Gram-positive bacteria. [1]

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 29 mg/mL (20.01 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol Insoluble
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).
Note: Technical data last updated: Sep 1, 2026.