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MedChemExpress has an experienced team of custom synthesis chemists, led by an impressive group of Ph.D.'s. With this team, we have the capability of supporting all kinds of chemistry projects of multiple step syntheses of complex labeled molecules, including metabolites and steroids. Following scientific and technological innovation, challenging traditional thinking, MedChemExpress has always been committed to develop quality products that exceed international standards on cost and reliability, to create the most advanced synthetic route. With high experiences in preparing a large numbers of different biologically active molecules, we provide rapid synthesis of new products. That is why we can consistently deliver your custom synthesis compounds faster than any other company.

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δ-Theraphotoxin-Hm1b | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

δ-Theraphotoxin-Hm1b is a 42-amino acid peptide isolated from Togo starburst tarantula (Heteroscodra maculata) venom. δ-Theraphotoxin-Hm1b selectively inhibits inactivation of NaV1.1 but have no effect on NaV1.7[1].

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δ-Viniferin | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

δ-Viniferin is a resveratrol dehydrodimer, an isomer of ε-Viniferin (HY-N3841)[1]. ε-Viniferin (epsilon-Viniferin), the dimer of Resveratrol, displays a potent inhibitory for all the CYP activities, with Ki values from 0.5-20 μM. ε-Viniferin possesses potent antioxidant, anti-inflammatory, anti-diabetic, and anti-neurodegenerative capacity.

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ε-Poly-L-lysine (MW 3800-4200) | MedChemExpress (MCE) 5 g  | 99.00%

MedChem Express

Epsilon-polylysine is an antimicrobial peptide that can be produced by bacteria such as Streptomyces. Epsilon-polylysine inhibits the growth of microorganisms such as bacteria, yeasts and molds and is therefore often used as a green food additive and preservative in various food and beverage products. Epsilon-polylysine has a variety of properties, including thermal stability, resistance to […]

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ι-Carrageenan | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

ι-Carrageenan (Viscarin SD 309) is a biochemical reagent. ι-Carrageenan can be isolated from Eucheuma serra or red algae H. musciformis and S. filiformis. ι-Carrageenan has potential application in protein emulsion flocculation and stability[1][2][3][4].

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µ-Conotoxin BuIIIA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin BuIIIA (Mu-Conotoxin BuIIIA) is a voltage-gated sodium channel (VGSC) blocker. μ-Conotoxin BuIIIA is a toxic peptide that can be obtained from the venom of Cone snails. μ-Conotoxin BuIIIA can be used in the study of neurological diseases[1].

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µ-Conotoxin BuIIIB | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin BuIIIB (Mu-Conotoxin BuIIIB) is a mammalian neuronal voltage-gated sodium channel (VGSC) blocker. μ-Conotoxin BuIIIB can be obtained from the venom of Cone snails and is a probe for ion channel function research. μ-Conotoxin BuIIIB can be used in the study of neurological diseases such as pain[1].

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µ-Conotoxin GIIIB | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin GIIIB is a 22-residue polypeptide that can be isolated from the venom of piscivorous cone snail Conus geographus. μ-Conotoxin GIIIB is a NaV1.4 channel inhibitor. μ-Conotoxin GIIIB blocks muscle cell’s contraction[1][2][3].

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µ-Conotoxin KIIIA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin KIIIA is an analgesic μ-conotoxin that can be isolated from Conus kinoshitai. μ-Conotoxin KIIIA blocks mammalian neuronal voltage-gated sodium channels (VGSCs) (Nav1.2).μ-Conotoxin KIIIA can be used for research of pain[1][2].

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µ-Conotoxin SIIIA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin SIIIA is a tetrodotoxin (TTX)-resistant sodium channel blocker. μ-Conotoxin SIIIA is a toxic peptide that can be obtained from the venom of Conus snails. μ-Conotoxin SIIIA can be used in the study of neurological diseases, such as neuropathic pain[1].

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μ-Conotoxin SxIIIC | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin SxIIIC is an irreversible NaV channel inhibitor that can be obtained from the Conus striolatus. μ-Conotoxin SxIIIC can be used in the study of neurological diseases such as chronic pain[1].

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µ-Conotoxin-CnIIIC | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-Conotoxin-CnIIIC is a 22-residue conopeptide that can be isolated from Conus consors. μ-Conotoxin-CnIIIC is a potent and persistent blocker of NaV1.4 channel. μ-Conotoxin-CnIIIC has analgesic, anaesthetic and myorelaxant properties[1][2].

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µ-Conotoxin-CnIIIC acetate | MedChemExpress (MCE) 1 mg  | 98.37%

MedChem Express

µ-Conotoxin-CnIIIC acetate, a 22-residue conopeptide, is a potent antagonist of the voltage-gated NaV1.4 sodium channel with an IC50 of 1.3 nM acting at the neuromuscular junction. µ-Conotoxin-CnIIIC acetate has myorelaxant and analgesic effects[1].

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µ-Conotoxin-CnIIIC acetate | MedChemExpress (MCE) 5 mg  | 98.37%

MedChem Express

µ-Conotoxin-CnIIIC acetate, a 22-residue conopeptide, is a potent antagonist of the voltage-gated NaV1.4 sodium channel with an IC50 of 1.3 nM acting at the neuromuscular junction. µ-Conotoxin-CnIIIC acetate has myorelaxant and analgesic effects[1].

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µ-Conotoxin-CnIIIC acetate | MedChemExpress (MCE) 10 mg  | 98.37%

MedChem Express

µ-Conotoxin-CnIIIC acetate, a 22-residue conopeptide, is a potent antagonist of the voltage-gated NaV1.4 sodium channel with an IC50 of 1.3 nM acting at the neuromuscular junction. µ-Conotoxin-CnIIIC acetate has myorelaxant and analgesic effects[1].

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μ-TRTX-Hd1a | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ-TRTX-Hd1a, a spider venom, is a selective NaV 1.7 inhibitor. μ-TRTX-Hd1a is a gating modifier that inhibits human NaV 1.7 by interacting with the S3b-S4 paddle motif in channel domain II[1].

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μ/κ/δ opioid receptor agonist 1 | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

μ/κ/δ opioid receptor agonist 1 is a μ opioid receptor (MOR), κ opioid receptor (KOR), and δ opioid receptor (DOR) agonist. μ/κ/δ opioid receptor agonist 1 produces a strong and long-lasting analgesic effect through peripheral MOR and KOR in the tail-flick test[1].

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π-TRTX-Hm3a | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

π-TRTX-Hm3a is a 37-amino acid peptide isolated from Togo starburst tarantula (Heteroscodra maculata) venom. π-TRTX-Hm3a pH-dependently inhibits acid-sensing ion channel 1a (ASIC1a) with an IC50 of 1-2 nM and potentiates ASIC1b with an EC50 of 46.5 nM[1].

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σ1 Receptor/μ Opioid receptor modulator 2 | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

σ1 Receptor/μ Opioid receptor modulator 2 (compound 4x) is a dual μOR agonist/σ1R antagonist, and displays picomolar μOR agonism activity (EC50: 0.6 ± 0.2 nM) and good σ1R inhibitory activity (Ki: 363.7 ± 5.6 nM). σ1 Receptor/μ Opioid receptor modulator 2 exhibits robust analgesic effects in various pain models[1].

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ω-Agatoxin IVA TFA | MedChemExpress (MCE) 100 μg  | ≥98.00%

MedChem Express

ω-Agatoxin IVA TFA is a potent, selective P/Q type Ca2+ (Cav2.1) channel blocker with IC50s of 2 nM and 90 nM for P-type and Q-type Ca2+ channels, respectively. ω-Agatoxin IVA TFA (IC50, 30-225 nM) inhibits glutamate exocytosis and calcium influx elicited by high potassium. ω-Agatoxin IVA TFA also blocks the high potassium-induced release of serotonin […]

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ω-Agatoxin IVA TFA | MedChemExpress (MCE) 500 μg  | ≥98.00%

MedChem Express

ω-Agatoxin IVA TFA is a potent, selective P/Q type Ca2+ (Cav2.1) channel blocker with IC50s of 2 nM and 90 nM for P-type and Q-type Ca2+ channels, respectively. ω-Agatoxin IVA TFA (IC50, 30-225 nM) inhibits glutamate exocytosis and calcium influx elicited by high potassium. ω-Agatoxin IVA TFA also blocks the high potassium-induced release of serotonin […]

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ω-Conotoxin Bu8 | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

ω-Conotoxin Bu8 is a ω-conotoxin, which consists of 25 amino acid residues and three disulfide bridges. ω-Conotoxin Bu8 selectively and potently inhibits depolarization-activated Ba2+ currents mediated by rat CaV2.2 expressed in HEK293T cells (IC50= 89 nM)[1].

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ω-Conotoxin CVIB | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

ω-Conotoxin CVIB is a non-selective N- and P/Q-type voltage-gated calcium channels (VGCCs) antagonist. ω-Conotoxin CVIB inhibits depolarization-activated whole-cell VGCC currents in dorsal root ganglion (DRG) neurons with a pIC50 of 7.64[1].

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ω-Conotoxin FVIA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

ω-Conotoxin FVIA is an N-type Ca2+channel (Ca v 2.2) inhibitor. ω-Conotoxin FVIA reduces mechanical and thermal pain abnormalities in a rat model of caudal nerve injury. ω-Conotoxin FVIA can be used in the study of highly effective pain relievers with low side effects [1].

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ω-Grammotoxin SIA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

ω-Grammotoxin SIA (GrTx) is P/Q and N-type voltage-gated Calcium channels inhibitor. ω-Grammotoxin SIA is also a protein toxin that can be obtained from spider venom. ω-Grammotoxin SIA has the potential to study neurological diseases as well as cardiovascular diseases[1].

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