RS 25344 hydrochloride

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Cat.No. 3315 - RS 25344 hydrochloride | C19H13N5O4.HCl | CAS No. 152815-28-6
Description: Potent PDE4 inhibitor
Chemical Name: 1-(3-Nitrophenyl)-3-(4-pyridinylmethyl)-pyrido[2,3-d]pyrimidine-2,3-(1H,3H)-dione hydrochloride
Purity: ≥98% (HPLC)
Citations (1)

Biological Activity

Potent and selective phosphodiesterase (PDE) 4 inhibitor (IC50 values are 0.28, > 100, 160 and 330 nM at PDE4, PDE1, PDE2 and PDE3 respectively). Inhibits eosinophil chemotaxis and increases progressive motility of spermatozoa in vitro.

Technical Data

M. Wt 411.8
Formula C19H13N5O4.HCl
Storage Desiccate at RT
Purity ≥98% (HPLC)
CAS Number 152815-28-6
PubChem ID 19781728
Smiles O=C(N(CC4=CC=NC=C4)C2=O)N(C3=CC([N+]([O-])=O)=CC=C3)C1=C2C=CC=N1.Cl

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 41.18 100
water 20.59 50

Preparing Stock Solutions

The following data is based on the product molecular weight 411.8. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.43 mL 12.14 mL 24.28 mL
5 mM 0.49 mL 2.43 mL 4.86 mL
10 mM 0.24 mL 1.21 mL 2.43 mL
50 mM 0.05 mL 0.24 mL 0.49 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Alvarez et al (1995) Activation and selective inhibition of a cyclic AMP-specific phosphodiesterase, PDE-4D3. Mol.Pharmacol. 48 616 PMID: 7476886

Kaneko et al (1995) Elevated intracellular cyclic AMP inhibits chemotaxis in human eosinophils. Cell.Signal. 7 527 PMID: 8562314

Bajpai et al (2006) AKAP3 selectively binds PDE4A isoforms in bovine spermatozoa. Biol.Reprod. 74 109 PMID: 16177223

If you know of a relevant reference for RS 25344 hydrochloride, please let us know.

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Keywords: RS 25344 hydrochloride, supplier, RS25344, potent, PDE4, inhibitors, inhibits, phosphodiesterases, Phosphodiesterases, Phosphodiesterases, Tocris Bioscience

1 Citation for RS 25344 hydrochloride

Citations are publications that use Tocris products. Selected citations for RS 25344 hydrochloride include:

Boomkamp et al (2014) Epac and the high affinity rolipram binding conformer of PDE4 modulate neurite outgrowth and myelination using an in vitro spinal cord injury model. Cell Rep 171 2385 PMID: 24467222

Do you know of a great paper that uses RS 25344 hydrochloride from Tocris? If so please let us know.

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