Didanosine

  • #LGM Pharma is a Didanosine CAS# 69655-05-6 API supplier distributor based in the USA. Inquire about DMF, cGMP, price, availability, delivery, purity, and more.
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  • #LGM Pharma offers this active ingredient but not the finished dosage forms.

Product Details:

  • CAS No: 69655-05-6
  • AHFC code: 08:18.08.20
  • Synonyms: DDI Dideoxyinosine
  • ATC Code: J05AF02
  • Chemical Formula: C22H24ClN5O2
  • Molecular Weight: 236.2273
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB00900 (APRD00240, DB02392)
  • SMILES: OC[C,,H]1CC[C,,H](O1)N1C=NC2=C1NC=NC2=O
  • InChl: BXZVVICBKDXVGW-NKWVEPMBSA-N
  • PubChem: 50599
  • IUPAC: 9-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-3H-purin-6-one

Additional Details

Indication:
For use, in combination with other antiretroviral agents, in the treatment of HIV-1 infection in adults.
Pharmacodynamics:
Didanosine is a nucleoside reverse transcriptase inhibitor (NRTI) with activity against Human Immunodeficiency Virus Type 1 (HIV-1). Didanosine differs from other nucleoside analogues, as it does not have any of the regular bases, instead it has hypoxanthine attached to the sugar ring. Didanosine is phosphorylated to active metabolites that compete for incorporation into viral DNA. They inhibit the HIV reverse transcriptase enzyme competitively and act as a chain terminator of DNA synthesis. Didanosine is effective against HIV, and usually used in combination with other antiviral therapy. Switching from long term AZT treatment to didanosine has been shown to be beneficial. Didanosine has weak acid stability and therefore, it is often combined with an antacid.
Mode of Action:
Didanosine (ddI) is metabolized intracellularly by a series of cellular enzymes to its active moiety, dideoxyadenosine triphosphate (ddATP), which inhibits the HIV reverse transcriptase enzyme competitively by competing with natural dATP. It also acts as a chain terminator by its incorporation into viral DNA as the lack of a 3'-OH group in the incorporated nucleoside analogue prevents the formation of the 5' to 3' phosphodiester linkage essential for DNA chain elongation, and therefore, the viral DNA growth is terminated.
Metabolism:
Rapidly metabolized intracellularly to its active moiety, 2,3-dideoxyadenosine-5-triphosphate (ddA-TP). It is then further metabolized hepatically to yield hypoxanthine, xanthine, and uric acid.
Toxicity:
Side effects include pancreatitis, peripheral neuropathy, diarrhea, hyperuricemia and hepatic dysfunction
General Reference:
Products currently covered by valid US Patents are offered for R&D use in accordance with 35 USC 271(e)+A13(1). Any patent infringement and resulting liability is solely at buyer risk.

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