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| 5mg |
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| 10mg |
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| 25mg |
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Purity: ≥98%
Z-LEHD-FMK is a caspase-9 enzyme inhibitor that is cell-permeable, specific, competitive, and irreversible. It promotes cell survival, guards against lethal reperfusion injury, and reduces apoptosis. In a rat model of spinal cord injury, Z-LEHD-FMK exhibits the neuroprotective effect. Z-LEHD-FMK prevented apoptosis caused by tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) in the human colon cancer cell line HCT116 and the human embryonic kidney cell line 293. These findings suggested that TRAIL caused some human cell death by way of the mitochondrial pathway. Z-LEHD-FMK prevented the decrease in colony growth of HCT116 caused by TRAIL in a colony assay. Z-LEHD-FMK prevented TRAIL-induced apoptosis in healthy human hepatocytes. According to these findings, Z-LEHD-FMK and TRAIL together selectively killed cancer cells while safeguarding healthy liver cells.
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| ln Vitro |
Z-LEHD-FMK (20 μM; pretreated for 30 min) completely protects HCT116 and 293 cells from TRAIL-induced toxicity[1].
Z-LEHD-FMK (20 μM ; 6 h) guards against TRAIL-induced apoptosis in healthy human hepatocytes[1].
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| ln Vivo |
In rats with spinal cord injury (SCI), Z-LEHD-FMK (0.8 μmol/kg; i.v. for 7 days) protects neurons, glia, myelin, axons, and intracellular organelles[2].
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| Cell Assay |
Z-IETD-FMK (caspase 8 inhibitor), Z-LEHD-FMK (caspase 9 inhibitor), Z-VDAVD-FMK (caspase 2 inhibitor), and Z-AEVD-FMK (caspase 10 inhibitor; 20 m each) were pretreated for 2 hours before TRAIL (50 ng/ml) was added to HCT116 and SW480 cells (as indicated). Extracts were gathered and checked for the expression of various proteins using Western blotting after 4 hours (or 16 hours for caspase 3 activation) of TRAIL exposure.
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| References |
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| Molecular Formula |
C32H43FN6O10
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| Molecular Weight |
690.72
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| Exact Mass |
690.30
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| Elemental Analysis |
C, 55.64; H, 6.28; F, 2.75; N, 12.17; O, 23.16
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| CAS # |
210345-04-3
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| Related CAS # |
Z-LEHD-FMK TFA;524746-03-0
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| Appearance |
Solid powder
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| SMILES |
CC(C)C[C@@H](C(=O)N[C@@H](CCC(=O)OC)C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@@H](CC(=O)OC)C(=O)CF)NC(=O)OCC2=CC=CC=C2
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| InChi Key |
YXRKBEPGVHOXSV-QORCZRPOSA-N
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| InChi Code |
InChI=1S/C32H43FN6O10/c1-19(2)12-24(39-32(46)49-17-20-8-6-5-7-9-20)30(44)36-22(10-11-27(41)47-3)29(43)38-25(13-21-16-34-18-35-21)31(45)37-23(26(40)15-33)14-28(42)48-4/h5-9,16,18-19,22-25H,10-15,17H2,1-4H3,(H,34,35)(H,36,44)(H,37,45)(H,38,43)(H,39,46)/t22-,23-,24-,25-/m0/s1
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| Chemical Name |
methyl (4S)-5-[[(2S)-1-[[(3S)-5-fluoro-1-methoxy-1,4-dioxopentan-3-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-4-[[(2S)-4-methyl-2-(phenylmethoxycarbonylamino)pentanoyl]amino]-5-oxopentanoate
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| Synonyms |
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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 |
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| 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) |
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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 | 1.4478 mL | 7.2388 mL | 14.4776 mL | |
| 5 mM | 0.2896 mL | 1.4478 mL | 2.8955 mL | |
| 10 mM | 0.1448 mL | 0.7239 mL | 1.4478 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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