CAS No. 651-06-9

Batch: Purity:100
Sulfameter  Chemical Structure
Chemical Structure
Check the Sulfameter product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-amino-N-(5-methoxypyrimidin-2-yl)benzenesulfonamide
CAS Number 651-06-9
Molecular Formula

C11H12N4O3S

Molecular Weight (MW) 280.3
SMILES COC1=CN=C(N=C1)NS(=O)(=O)C2=CC=C(C=C2)N
InChIKey GPTONYMQFTZPKC-UHFFFAOYSA-N

Ordering Information

Biological Activity

Sulfameter is a long-acting sulfonamide antibacterial agent that functions as an inhibitor of dihydropteroate synthase (DHPS). By competing with para-aminobenzoic acid in the bacterial folate biosynthesis pathway, it disrupts the synthesis of folic acid required for nucleic acid production. This blockade suppresses bacterial proliferation and nucleic acid assembly, supporting its utility in research on bacterial folate metabolism and urinary tract infections.

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 56 mg/mL (199.78 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).

Aliquotting Service

Free Aliquotting Service

Pre-aliquoted for Longevity: Solid-state aliquots offer significantly longer shelf life compared to stock solutions, ensuring maximum stability for every use.

Looking for a specific aliquot size? Reach out to your local sales representative or contact us at orders@selleckchem.com.

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