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MedKoo Cat#: 201436 | Name: GPI-15427

Description:

WARNING: This product is for research use only, not for human or veterinary use.

GPI-15427 is a potent PARP-1 inhibitor capable of crossing the blood-brain barrier, which can significantly increased the antitumor activity of the methylating agent TMZ against malignant melanoma, glioblastoma multiforme, or lymphoma growing at the CNS site. GPI-15427 acts as a potent inhibitor of the enzyme, being capable of inhibiting the activity of purified PARP-1 at nanomolar concentrations. GPI-15427 induced significant sensitization to radiotherapy, representing a promising new treatment in the management of HNSCC.

Chemical Structure

GPI-15427
GPI-15427
CAS#805242-85-7

Theoretical Analysis

MedKoo Cat#: 201436

Name: GPI-15427

CAS#: 805242-85-7

Chemical Formula: C20H20N4O2

Exact Mass: 348.1586

Molecular Weight: 348.40

Elemental Analysis: C, 68.95; H, 5.79; N, 16.08; O, 9.18

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Related CAS #
No Data
Synonym
GPI15427; GPI 15427; GPI-15427.
IUPAC/Chemical Name
10-((4-methylpiperazin-1-yl)methyl)chromeno[4,3,2-de]phthalazin-3(2H)-one.
InChi Key
DZRLVSOGARUEGQ-UHFFFAOYSA-N
InChi Code
InChI=1S/C20H20N4O2/c1-23-7-9-24(10-8-23)12-13-5-6-16-15(11-13)19-18-14(20(25)22-21-19)3-2-4-17(18)26-16/h2-6,11H,7-10,12H2,1H3,(H,22,25)
SMILES Code
O=C1NN=C2C3=C1C=CC=C3OC4=C2C=C(CN5CCN(C)CC5)C=C4
Appearance
Solid powder
Purity
>98%
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, not in water
Shelf Life
>5 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
More Info
GPI 15427 + radiation significantly reduced tumor volume compared to vehicle treated mice and mice treated with GPI 15427 alone or mice treated with radiation alone. In conclusion, these data indicate that iv administration of the PARP inhibitor GPI 15427 is well tolerated and induces significant enhancement of radiation anti-tumor efficacy against human head and neck cancer. (source: http://aacrmeetingabstracts.org/cgi/content/abstract/2004/1/311-c).    

Preparing Stock Solutions

The following data is based on the product molecular weight 348.40 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Khan K, Araki K, Wang D, Li G, Li X, Zhang J, Xu W, Hoover RK, Lauter S, O'Malley B Jr, Lapidus RG, Li D. Head and neck cancer radiosensitization by the novel poly(ADP-ribose) polymerase inhibitor GPI-15427. Head Neck. 2010 Mar;32(3):381-91. doi: 10.1002/hed.21195. PubMed PMID: 19672867. 2: Di Paola R, Mazzon E, Xu W, Genovese T, Ferrraris D, Muià C, Crisafulli C, Zhang J, Cuzzocrea S. Treatment with PARP-1 inhibitors, GPI 15427 or GPI 16539, ameliorates intestinal damage in rat models of colitis and shock. Eur J Pharmacol. 2005 Dec 19;527(1-3):163-71. Epub 2005 Nov 28. PubMed PMID: 16310767. 3: Tentori L, Leonetti C, Scarsella M, Vergati M, Xu W, Calvin D, Morgan L, Tang Z, Woznizk K, Alemu C, Hoover R, Lapidus R, Zhang J, Graziani G. Brain distribution and efficacy as chemosensitizer of an oral formulation of PARP-1 inhibitor GPI 15427 in experimental models of CNS tumors. Int J Oncol. 2005 Feb;26(2):415-22. PubMed PMID: 15645126. 4: Tentori L, Leonetti C, Scarsella M, D'Amati G, Vergati M, Portarena I, Xu W, Kalish V, Zupi G, Zhang J, Graziani G. Systemic administration of GPI 15427, a novel poly(ADP-ribose) polymerase-1 inhibitor, increases the antitumor activity of temozolomide against intracranial melanoma, glioma, lymphoma. Clin Cancer Res. 2003 Nov 1;9(14):5370-9. PubMed PMID: 14614022.

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