PD158780


Catalog No. size PriceQuantity
M6424-2 2mg solid $138
M6424-10 10mg solid $570

Description

Cas:171179-06-9

Product Information

PD 158780 is a potent in vitro inhibitor of the tyrosine kinase activity of the epidermal growth factor receptor (EGFR) (IC50 0.08 nM), and other members of the erbB family, by competitive binding at the ATP site of these signal transduction enzymes.

 

Chemical Formula: C14H12BrN5

 

Exact Mass: 329.0276

 

Molecular Weight: 330.19

 

Elemental Analysis: C, 50.93; H, 3.66; Br, 24.20; N, 21.21

 

Synonym:

 

PD 158780

PD158780

PD-158780

 

Chemical Name: 4-N-(3-bromophenyl)-6-N-methylpyrido[3,4-d]pyrimidine-4,6-diamine

 

InChi Key:

KFHMLBXBRCITHF-UHFFFAOYSA-N

 

InChi Code: InChI=1S/C14H12BrN5/c1-16-13-6-11-12(7-17-13)18-8-19-14(11)20-10-4-2-3-9(15)5-10/h2-8H,1H3,(H,16,17)(H,18,19,20)

 

Smiles Code:

CNC1=CC2=C(NC3=CC=CC(Br)=C3)N=CN=C2C=N1

 

 

Technical Data:

 

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

 

In Vitro

PD158780 inhibits EGF receptor autophosphorylation in A431 human epidermoid carcinoma with IC50 value of 13 nM. PD158780 is highly specific for the EGF receptor in Swiss 3T3 fibroblasts, inhibiting EGF-dependent receptor autophosphorylation and thymidine incorporation at low nanomolar concentrations while requiring micromolar levels for platelet-derived growth factor- and basic fibroblast growth factordependent processes. PD158780 inhibits heregulin-stimulated phosphorylation in the SK-BR-3 and MDAMB-453 breast carcinomas with IC50 values of 49 and 52 nM, respectively, suggesting that the compound is active against other members of the EGF receptor family.

 

In Vivo

PD158780 is active against clone formation in several breast tumors having different expression patterns of the ErbB family. PD158780 shows good therapeutic effect against the A431 epidermoid carcinoma when administered either intraperitoneally or orally. PD158780 produces measurable, significant effects against a mouse fibroblast transfected with human EGFR. PD158780 produces a significant therapeutic effect against the estrogendependent MCF-7 breast carcinoma at equitoxic dose levels.

 

 

References

 

  1. Rewcastle GW, Murray DK, Elliott WL, Fry DW, Howard CT, Nelson JM, Roberts BJ, Vincent PW, Showalter HD, Winters RT, Denny WA. Tyrosine kinase inhibitors. 14. Structure-activity relationships for methylamino-substituted derivatives of 4-[(3-bromophenyl)amino]-6-(methylamino)-pyrido[3,4-d]pyrimidine (PD 158780), a potent and specific inhibitor of the tyrosine kinase activity of receptors for the EGF family of growth factors. J Med Chem. 1998 Feb 26;41(5):742-51. PubMed PMID: 9513602.

 

Products are for research use only. Not for human use.

 

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