| Size | Price | Stock | Qty |
|---|---|---|---|
| 10mg |
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| 50mg |
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| 100mg |
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| 250mg | |||
| Other Sizes |
| References |
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| Additional Infomation |
Terameprocol is a lignan. It has been investigated for the treatment of brain and central nervous system tumors. Terameprocol has been reported to be present in Schisandra propinqua, Schisandra rubriflora, and Otoba novogranatensis, with relevant data available. Terameprocol is a synthetic tetramethyl derivative of nordihydroguaiaric acid (NDGA) and is a transcription inhibitor with potential antiviral, anti-angiogenic, and antitumor activities. During DNA synthesis, Terameprocol competes with the transcription factor Sp1 for a specific Sp1 DNA-binding domain within the gene promoter region. In virus-infected cells, blocking the Sp1 binding site inhibits Sp1-regulated viral promoter activity and gene expression, thereby suppressing viral transcription and replication. In tumor cells, this drug works by blocking the Sp1 binding site, interfering with the transcription of Sp1-dependent genes such as cyclin-dependent kinase 2 (Cdc2), survivin, and vascular endothelial growth factor (VEGF), which are overexpressed in various cancers. By inhibiting the transcription of these Sp1-regulated genes, terimepreprol may reduce tumor angiogenesis and tumor cell proliferation, and induce tumor cell apoptosis.
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| Molecular Formula |
C22H30O4
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|---|---|
| Molecular Weight |
358.47
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| Exact Mass |
358.214
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| CAS # |
24150-24-1
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| PubChem CID |
476861
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| Appearance |
White to off-white solid powder
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| Density |
1.0±0.1 g/cm3
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| Boiling Point |
458.5±40.0 °C at 760 mmHg
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| Flash Point |
108.8±34.2 °C
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| Vapour Pressure |
0.0±1.1 mmHg at 25°C
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| Index of Refraction |
1.522
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| LogP |
5.86
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| Hydrogen Bond Donor Count |
0
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| Hydrogen Bond Acceptor Count |
4
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| Rotatable Bond Count |
9
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| Heavy Atom Count |
26
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| Complexity |
352
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| Defined Atom Stereocenter Count |
2
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| SMILES |
C[C@H](CC1=CC(=C(C=C1)OC)OC)[C@@H](C)CC2=CC(=C(C=C2)OC)OC
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| InChi Key |
ORQFDHFZSMXRLM-IYBDPMFKSA-N
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| InChi Code |
InChI=1S/C22H30O4/c1-15(11-17-7-9-19(23-3)21(13-17)25-5)16(2)12-18-8-10-20(24-4)22(14-18)26-6/h7-10,13-16H,11-12H2,1-6H3/t15-,16+
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| Chemical Name |
4-[(2S,3R)-4-(3,4-dimethoxyphenyl)-2,3-dimethylbutyl]-1,2-dimethoxybenzene
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| Synonyms |
tetraOmethylNDGA; tetra-O-methyl nordihydroguaiaretic acid. M4N; tetramethyl-nordihydroguaiaretic acid
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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) |
DMSO : ~100 mg/mL (~278.96 mM)
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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 | 2.7896 mL | 13.9482 mL | 27.8963 mL | |
| 5 mM | 0.5579 mL | 2.7896 mL | 5.5793 mL | |
| 10 mM | 0.2790 mL | 1.3948 mL | 2.7896 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.
Products are for research use only; We do not sell to patients
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