Silicon Phthalocyanine 4, also known as Pc-4, is a drug potentially for the treatment of cutaneous neoplasms. Photoirradiation of the silicon phthalocyanine 4 photosensitizer with red light generates singlet oxygen and other reactive oxygen species to induce cell death. Pc 4 is absorbed into the epidermis in as little as 1 hour and the absorption increased with increasing time and dose. Silicon phthalocyanine 4 can be effectively delivered into human skin via topical application. Price and Availability

Silicon Phthalocyanine 4 (Pc-4) is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually 98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote. 19-(((3-(dimethylamino)propyl)dimethylsilyl)oxy)-19H-6,11-(azeno)-17,21-(azeno[1]episoindoloazeno)benzo[7,8][1,3,5,10]tetraaza[2]silacycloundecino[4,3-a:11,1-a\']diisoindol-19-olInChi Key: MQPOIOMXRKFQLZ-XSRQUKKKSA-NInChi Code: InChI=1S/C39H35N9O2Si2/c1-46(2)22-13-23-51(3,4)50-52(49)47-36-28-18-9-10-19-29(28)38(47)44-34-26-16-7-8-17-27(26)35(41-34)45-39-31-21-12-11-20-30(31)37(48(39)52)43-33-25-15-6-5-14-24(25)32(40-33)42-36/h5-12,14-21,49H,13,22-23H2,1-4H3/b42-32-,42-36-,43-33-,43-37-,44-34-,44-38-,45-35-,45-39-SMILES Code: O[Si]1(O[Si](C)(C)CCCN(C)C)N2/C(C3=C(C=CC=C3)/C2=N/C4=N/C(C5=C4C=CC=C5)=N\\6)=N\\C(C7=C/8C=CC=C7)=NC8=N/C9=C(C=CC=C%10)C%10=C6N91 Technical Data 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. Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

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