2D Structure
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2D chemical structural formula diagram.

3D Structure
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This 3D model represents a theoretically simulated conformation and is for reference only.

Check the PR-619 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (2,6-diamino-5-thiocyanato-3-pyridinyl) thiocyanate
CAS Number 2645-32-1
Molecular Formula

C7H5N5S2
Molecular Weight (MW) 223.28
SMILES C1=C(C(=NC(=C1SC#N)N)N)SC#N
InChIKey ZXOBLNBVNROVLC-UHFFFAOYSA-N

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 3 mg/mL (13.43 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.

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