[CAS NO. 69655-05-6]  Didanosine

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PRODUCTS SPECIFICATIONS [69655-05-6]

Catalog
HY-B0249
Brand
MCE
CAS
69655-05-6

DESCRIPTION [69655-05-6]

Overview

MDLMFCD00077728
Molecular Weight236.23
Molecular FormulaC10H12N4O3
SMILESOC[C@@H]1CC[C@H](N2C3=C(N=C2)C(O)=NC=N3)O1

For research use only. We do not sell to patients.


Summary

Didanosine (2',3'-Dideoxyinosine; ddI) is a a potent and orally active dideoxynucleoside analogue, and also is a potent nucleoside reverse transcriptase inhibitor. Didanosine shows antiretroviral activity for HIV [1] [2] [3] .


In Vitro

Didanosine is converted by cellular enzymes to the active antiviral metabolite dideoxyadenosine triphosphate (dd-ATP) and the intracellular half life of dd-ATP varies from 8-24 hours [1] .
Didanosine shows antiretroviral activity with IC 50 value of 0.24-0.6 mg/L for HIV infection [3] .
Didanosine (5, 10, 50, 100 ug/ml; 24, 48 h) shows no significant inhibition of cell proliferation in IEC-6 cells [2] .

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Proliferation Assay [2]

Cell Line: IEC-6 cells
Concentration: 5, 10, 50, 100 ug/ml
Incubation Time: 24, 48 h
Result: Did not show any significant inhibition of cell proliferation at either 24 h or 48 h.

Apoptosis Analysis [2]

Cell Line: IEC-6 cells
Concentration: 100 ug/ml
Incubation Time: 24 h
Result: Induced apoptosis with the apoptosis rates of 4.7% to 7.4%.

In Vivo

Didanosine (100, 150 mg/kg; p.o.; daily for 7 days) decreases the length of duodenal and in jejunal villus in mouse [2] .

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: 30-40 g, male swiss mice [2]
Dosage: 100, 150 mg/kg
Administration: P.o.; daily for 7 days
Result: Caused significant reductions in duodenal and in jejunal villus length and significantly decreased ileal crypt depth.

Clinical Trial

NCT Number Sponsor Condition Start Date Phase
NCT00001024 National Institute of Allergy and Infectious Diseases (NIAID)|Bristol-Myers Squibb|Glaxo Wellcome
HIV Infections
Not Applicable
NCT00002001 Glaxo Wellcome|NIH AIDS Clinical Trials Information Service
HIV Infections
Not Applicable
NCT00034086 National Institute of Allergy and Infectious Diseases (NIAID)
HIV Infections
Not Applicable

Appearance

Solid


Shipping

Room temperature in continental US; may vary elsewhere.


Storage

Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month

Solvent & Solubility

In Vitro:

DMSO : 62.5 mg/mL ( 264.57 mM ; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.2332 mL 21.1658 mL 42.3316 mL
5 mM 0.8466 mL 4.2332 mL 8.4663 mL
10 mM 0.4233 mL 2.1166 mL 4.2332 mL
* Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one: 10% DMSO >> 40% PEG300 >> 5% Tween-80 >> 45% saline

    Solubility: ≥ 2.08 mg/mL (8.80 mM); Clear solution

  • 2.

    Add each solvent one by one: 10% DMSO >> 90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.08 mg/mL (8.80 mM); Clear solution

  • 3.

    Add each solvent one by one: 10% DMSO >> 90% corn oil

    Solubility: ≥ 2.08 mg/mL (8.80 mM); Clear solution

* All of the co-solvents are available by MCE.


Synonyms

Inosine, 2′,3′-dideoxy-
2′,3′-Dideoxyinosine
NSC 612049
Didanosine
BMY 40900
DdI
Videx
Dideoxyinosine
DdI (nucleoside)
Videx EC