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Sorivudine

Alias: Sorivudine; Bravavir; BV-araU; BVAU; ARYS-01; JA-001; ARYS01; JA001; SQ32756; YN72; DRU0136; DRU-0136; SQ-32756; YN-72
Cat No.:V15074 Purity: ≥98%
Sorivudine (BV-araU; Bravavir; ARYS-01; SQ-32756; BVAU; JA-001; YN-72; DRU-0136) is a novel and potent DNA polymerase inhibitor with the potential to be used for the treatment of herpes zoster (shingles).
Sorivudine
Sorivudine Chemical Structure CAS No.: 77181-69-2
Product category: DNA(RNA) Synthesis
This product is for research use only, not for human use. We do not sell to patients.
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Product Description

Sorivudine (BV-araU; Bravavir; ARYS-01; SQ-32756; BVAU; JA-001; YN-72; DRU-0136) is a novel and potent DNA polymerase inhibitor with the potential to be used for the treatment of herpes zoster (shingles). It is an oral bioactive synthetic pyrimidine nucleoside antimetabolite medication that has antiviral activity due to its ability to selectively convert pyrimidine nucleosides to nucleotides, which can obstruct the synthesis of viral DNA when they are converted by a particular thymidine kinase found in some DNA viruses. One medication that shows promise in treating varicella-zoster virus infection is sorivudine.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
Sorivudine (BV-araU) inhibits the wild-type strains VR-3 and UW-268 of HSV-1 and HSV-2, with ID50s (50 percent inhibitory dose) of 0.39 and 0.67 μM, respectively[1].
Sorivudine exhibits antiviral activity against multiple viruses, such as the Epstein-Barr virus, varicella zoster virus, and herpes simplex type 1 virus[1].
Sorivudine (BV-araU) is an analog of pyrimidine nucleoside that, at concentrations of 00001-0.004 mg/ml, exhibits in vitro inhibitory activity against varicella zoster virus (VZV). These concentrations are more than a thousand times lower than what acyclovir 3 needs to inhibit VZV replication. In addition, sorivudine prevents HSV-I replication at concentrations between 0.03-0.1 mg/ml[2].
ln Vivo
Sorivudine (BV-araU) has been tested for use in treating HSV-l encephalitis in mice when given orally. Treatment prolongs the survival of mice at dosages above 12.5 mg/kg. The mortality rate significantly decreased as we1l with doses greater than 50 mg/kg. The model of simian varicella virus infection in African green monkeys (Cerophithecus aethiops) is a more pertinent one. In this system, sorivudine therapy offered complete protection against viremia and mortality at dosages as low as 20 mg/kg per day administered intramuscularly or 100 mg/kg per day administered orally. There was no indication of neurotoxicity or aberrant hematological or clinical chemistries during the course of these investigations. Effective doses were as low as 0.2 mg/kg daily; however, at lower dosages, breakthrough viremia was observed[2].
References

[1]. Sorivudine and 5-fluorouracil; a clinically significant drug-drug interaction due to inhibition of dihydropyrimidine dehydrogenase. Br J Clin Pharmacol. 1998 Jul;46(1):1-4.

[2]. Sorivudine: a potent inhibitor of varicella zoster virus replication.Adv Exp Med Biol. 1996;394:41-4.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C11H13BRN2O6
Molecular Weight
349.137
Exact Mass
348
Elemental Analysis
C, 37.84; H, 3.75; Br, 22.89; N, 8.02; O, 27.49
CAS #
77181-69-2
Appearance
Solid powder
SMILES
C1=C(C(=O)NC(=O)N1[C@H]2[C@H]([C@@H]([C@H](O2)CO)O)O)/C=C/Br
InChi Key
GCQYYIHYQMVWLT-HQNLTJAPSA-N
InChi Code
InChI=1S/C11H13BrN2O6/c12-2-1-5-3-14(11(19)13-9(5)18)10-8(17)7(16)6(4-15)20-10/h1-3,6-8,10,15-17H,4H2,(H,13,18,19)/b2-1+/t6-,7-,8+,10-/m1/s1
Chemical Name
5-[(E)-2-bromoethenyl]-1-[(2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
Synonyms
Sorivudine; Bravavir; BV-araU; BVAU; ARYS-01; JA-001; ARYS01; JA001; SQ32756; YN72; DRU0136; DRU-0136; SQ-32756; YN-72
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~125 mg/mL (~358.0 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.96 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (5.96 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (5.96 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.8642 mL 14.3209 mL 28.6418 mL
5 mM 0.5728 mL 2.8642 mL 5.7284 mL
10 mM 0.2864 mL 1.4321 mL 2.8642 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT00002358 Completed Drug: Sorivudine HIV Infections
Chickenpox
Bristol-Myers Squibb N/A Phase 3
NCT00000953 Completed Drug: Sorivudine
Drug: Acyclovir
HIV Infections
Chickenpox
National Institute of Allergy
and Infectious Diseases (NIAID)
N/A Phase 2
Biological Data
  • Structure of sorivudine (1-β-d-arabinofuranosyl-E-5-[2-bromovinyl] uracil; BV-araU; SQ32,756). Br J Clin Pharmacol . 1998 Jul;46(1):1-4.
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