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A3785 5-Aminolevulinic acid hydrochloride ≥98% 5-Aminolevulinic acid (5-ALA) is an intermediate in heme biosynthesis and is useful in cancer treatment. It is a non-protein amino acid. 5-ALA also has applications in the field of agriculture. It is being studied as an inducing reagent for protoporphyrin IX (PPIX) dependent fluorescence diagnosis of metastatic lymph nodes. 5-ALA is used for photodynamic therapy of diseases, such as Paget’s disease and HPV infection-associated cervical condylomata acuminata.
Intermediate in heme biosynthesis.
A7793 5-Aminolevulinic acid hydrochloride BioReagent, suitable for cell culture, powder, ≥98% Intermediate in heme biosynthesis.
275727 5-Methoxypsoralen 99%  
P8399 Psoralen ≥99% (HPLC) Psoralen belongs to the linear type furanocoumarins. It intercalates and induces interstrand cross-links in DNA. On UV exposure psoralen is excited leading to irreversible intercalation with DNA by covalent bond formation. This property of psoralen ultraviolet A light (PUVA) is exploited in treating skin diseases and cutaneous T-cell lymphoma. However, usage psoralen also leads to hepatotoxicity and cytotoxicity by the generation of psoralen photoproducts (POPs). It may be useful in treating osteoporosis
U5127 Ursodeoxycholic acid ≥99%