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1mg |
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Other Sizes |
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ln Vitro |
Released from the MU preparation, UC-781 (0.05, 0.2, and 0.5% UC-781 supplemented with MU; 10 d) removes HIV-1 from CEM cells [1]. In CEM T cells, UC-781 (3.75 -30 μM) suppresses HIV-1 (IIIB) activity (EC50=6 nM; IC50=23 nM). About 50% of Bacillus cereus growth is inhibited by UC-781 [1]. The EC50 values for HIV activity in autologous CD4+ T cells and cell-derived dendritic cells (MO-DC) are 1588 nM and 550 nM, respectively [2]. UC-781 (1000 nM; 24 h) efficiently inhibits or prevents HIV infection via autologous CD4+ T cells and monocyte-derived dendritic cells [2]. Inhibiting viral factors and HIV-1BaL infection of cervical explants is the effect of UC-781 (0.001-1000 µM; 2 h) [4].
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ln Vivo |
After being freed from the alligator preparation, UC-781 (100 µl 5% UC-781 supplemented in alligator; once daily for 10 days) exhibits negligible toxicity to normal tissues in female rabbits [1].
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Animal Protocol |
Animal/Disease Models: Female rabbit (~1200 g; 10 weeks old) [1].
Doses: 100 µl 5% UC-781 replens gel. Route of Administration: Intravaginally; one time/day for 10 days. Experimental Results: After the gel formulation was released, the rabbit histology was normal and inflammatory cells did not increase Dramatically. |
References |
[1]. Balzarini J, et al. Preclinical studies on thiocarboxanilide UC-781 as a virucidal agent. AIDS. 1998 Jul 9;12(10):1129-38.
[2]. Van Herrewege Y, et al. In vitro evaluation of nonnucleoside reverse transcriptase inhibitors UC-781 and TMC120-R147681 as human immunodeficiency virus microbicides. Antimicrob Agents Chemother. 2004 Jan;48(1):337-9. [3]. Balzarini J, et al. Highly favorable antiviral activity and resistance profile of the novel thiocarboxanilide pentenyloxy ether derivatives UC-781 and UC-82 as inhibitors of human immunodeficiency virus type 1 replication. Mol Pharmacol. 1996 Aug;50(2):394-401. [4]. Fletcher P, et al. The nonnucleoside reverse transcriptase inhibitor UC-781 inhibits human immunodeficiency virus type 1 infection of human cervical tissue and dissemination by migratory cells. J Virol. 2005 Sep;79(17):11179-86. |
Additional Infomation |
UC-781 is a thiocarboxanilide non-nucleoside reverse transcriptase inhibitor (NNRTI). It is a topical microbicide targeted against the AIDS virus.
N-(4-Chloro-3-((3-Methyl-2-Butenyl)Oxy)Phenyl)-2-Methyl-3-Furancarbothioamide is a thiocarboxanilide non-nucleoside reverse transcriptase inhibitor. UC-781 is a potent inhibitor of reverse transcriptase-dependent pyrophosphorolysis, and purportedly restores the chain-terminating activity of zidovudine (AZT) against AZT-resistant virus. Drug Indication Investigated for use/treatment in HIV infection. Mechanism of Action UC-781 is an HIV non-nucleoside reverse transcriptase inhibitor (NNRTI) that has shown in vitro to be very active specifically against HIV-1. UC-781 exhibits synergy with the NRTI zidovudine in vitro.[12] The combination of UC-781 and another candidate microbicide, cellulose acetate 1,2-benzenedicarboxylate, resulted in effective synergy for inhibition of HIV-1 in vitro and in peripheral blood mononuclear cells |
Molecular Formula |
C17H18NO2SCL
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Molecular Weight |
335.84832
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Exact Mass |
335.075
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CAS # |
178870-32-1
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PubChem CID |
3000926
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Appearance |
Typically exists as solid at room temperature
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Density |
1.24g/cm3
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Boiling Point |
440.9ºC at 760mmHg
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Flash Point |
220.4ºC
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Vapour Pressure |
5.68E-08mmHg at 25°C
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Index of Refraction |
1.621
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LogP |
5.447
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Hydrogen Bond Donor Count |
1
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Hydrogen Bond Acceptor Count |
3
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Rotatable Bond Count |
5
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Heavy Atom Count |
22
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Complexity |
412
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Defined Atom Stereocenter Count |
0
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SMILES |
CC(C)=CCOC1=C(Cl)C=CC(NC(C2=C(OC=C2)C)=S)=C1
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InChi Key |
YZHIXLCGPOTQNB-UHFFFAOYSA-N
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InChi Code |
InChI=1S/C17H18ClNO2S/c1-11(2)6-8-21-16-10-13(4-5-15(16)18)19-17(22)14-7-9-20-12(14)3/h4-7,9-10H,8H2,1-3H3,(H,19,22)
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Chemical Name |
N-[4-chloro-3-(3-methylbut-2-enoxy)phenyl]-2-methylfuran-3-carbothioamide
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HS Tariff Code |
2934.99.9001
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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)
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Solubility (In Vitro) |
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 :Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400  (Please use freshly prepared in vivo formulations for optimal results.) |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 2.9775 mL | 14.8876 mL | 29.7752 mL | |
5 mM | 0.5955 mL | 2.9775 mL | 5.9550 mL | |
10 mM | 0.2978 mL | 1.4888 mL | 2.9775 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.
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.