Metyrapone Tartrate
Based on 11 publication(s) in Google Scholar
Metyrapone (Su-4885) Tartrate is a potent and orally active 11β-hydroxylase inhibitor and an autophagy activator, also inhibits the production of aldosterone. Metyrapone Tartrate inhibits synthesis of endogenous adrenal corticosteroid, decreases glucocorticoid levels, and also affects behavior and emotion. In addition, Metyrapone Tartrate increases the efficiency of autophagic process via downregulation of mTOR pathway, and interacts with Pseudomonas putida cytochrome P-450. Metyrapone Tartrate can be used for researching Cushing's syndrome and depression.
For research use only. We do not sell to patients.
- CAS No.: 908-35-0
- Formula: C22H26N2O13
- Molecular Weight:526.45
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
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- References
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Publications Citing Use of MedChemExpress (MCE) Metyrapone Tartrate
More- Immunity. 2024 Feb 13;57(2):364-378.e9. [Abstract]
- Nat Commun. 2025 Apr 17;16(1):3639. [Abstract]
- Nat Commun. 2024 Nov 28;15(1):10361. [Abstract]
- Adv Sci (Weinh). 2025 Jul 11:e14659. [Abstract]
- Proc Natl Acad Sci U S A. 2025 Mar 25;122(12):e2426107122. [Abstract]
- Free Radic Biol Med. 2026 Jan:242:636-653. [Abstract]
- Brain Behav Immun. 2019 Nov:82:178-187. [Abstract]
- iScience. 2025 Jan 17;28(2):111831. [Abstract]
- J Neuroendocrinol. 2022 Dec;34(12):e13212. [Abstract]
- J Pharm Biomed Anal. 2023 May 10:228:115316. [Abstract]
- Biochem Biophys Res Commun. 2020 Jun 11;526(4):913-919. [Abstract]
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Biological Activity
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Male Sprague-Dawley rats (n=179; 270-300g)[1]
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Dosage:25 or 50 mg/kg (in a volume of 2.0 ml/kg)
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Administration:SC, single dosage
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Result:Dose-dependently decreased the stress-induced increase in plasma corticosterone levels in the water maze test; the high level dose significantly impaired acquisition performance in the water maze and decreased fear-induced immobility; the lower dose increased open arm activity.
Chemical Information
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CAS No. 908-35-0
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Molecular Weight 526.45
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Formula C22H26N2O13
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SMILES
CC(C)(C(C1=CC=CN=C1)=O)C2=CC=CN=C2.O=C([C@@H]([C@H](C(O)=O)O)O)O.O=C([C@@H]([C@H](C(O)=O)O)O)O
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Synonyms
Su-4885 Tartrate
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Structure Classification
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Initial Source
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Publications (11)
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Journal Impact Factor
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Most Recent
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Immunity
Small-molecule CBP/p300 histone acetyltransferase inhibition mobilizes leukocytes from the bone marrow via the endocrine stress response. [Abstract]2024 Feb 13;57(2):364-378.e9. PMID: 38301651 -
Nat Commun
2025 Apr 17;16(1):3639. PMID: 40240334
Metyrapone Tartrate purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Apr 17;16(1):3639. [Abstract]
Summarized data for corticosterone and free-testosterone levels (n = 5; corticosterone, p = 0.0329; free-testosterone, p = 0.0042). The results showed that Metyrapone (5 mg/kg; i.h.; single dose) significantly reduced serum corticosterone and free testosterone levels in mice.
Metyrapone Tartrate purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Apr 17;16(1):3639. [Abstract]
PWT and PWL of maleSC mice (n = 5; PWT: F1,8 = 6.027, p = 0.0396; PWL: F1,8 = 2.817, p = 0.1318). Metyrapone (5 mg/kg; i.h.; single dose) reversed conditioned contextual pain hypersensitivity in maleSC mice.
Metyrapone Tartrate purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Apr 17;16(1):3639. [Abstract]
Raster plots with typical traces and quantitative data for spontaneous firing rates of GlumPOA neurons in maleSC mice (n = 24 units for D0-saline group and n = 22 units for other groups from 4 mice; F1,44 = 14.85, p = 0.0004). Metyrapone (5 mg/kg; i.h.; single dose) reversed the hyperactivity of GlumPOA neurons in maleSC mice.
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Nat Commun
A brain-to-liver signal mediates the inhibition of liver regeneration under chronic stress in mice. [Abstract]2024 Nov 28;15(1):10361. PMID: 39609433 -
Adv Sci (Weinh)
Chronic Psychological Stress Induces Cardiomyocyte Hypertrophy Through Corticosterone-Glucocorticoid Receptor-LAMA5 Axis. [Abstract]2025 Jul 11:e14659. PMID: 40642838
Metyrapone Tartrate purchased from MedChemExpress. Usage Cited in: Adv Sci (Weinh). 2025 Jul 11:e14659. [Abstract]
Representative Western blot images of pPI3K, PI3K, pAKT, AKT, and ITGB1 in heart tissue of each group of rats. Metyrapone (25 mg/kg; every 2 days for 12 weeks), relacorilant, and knockdown of LAMA5 partially inhibited the activation of the PI3K/AKT pathway.
Metyrapone Tartrate purchased from MedChemExpress. Usage Cited in: Adv Sci (Weinh). 2025 Jul 11:e14659. [Abstract]
Representative images and quantitative analysis of WGA staining in cardiac myocytes of each group of rats (n=4). WGA staining results showed that the surface area of cardiomyocytes in the hearts of rats in the CMS group was significantly increased compared to the control group, and Metyrapone (25 mg/kg; every 2 days for 12 weeks)/relacorilant/LAMA5KD could reverse the cardiomyocyte enlargement induced by CMS.
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Proc Natl Acad Sci U S A
Androgen receptors in corticotropin-releasing hormone neurons mediate the sexual dimorphism in restraint-induced thymic atrophy. [Abstract]2025 Mar 25;122(12):e2426107122. PMID: 40106355 -
Free Radic Biol Med
Chronic intermittent cold stress-induced lipophagy promotes foamy macrophage susceptibility to ferroptosis and exacerbates atherosclerosis. [Abstract]2026 Jan:242:636-653. PMID: 41205774 -
Brain Behav Immun
Corticosterone-mediated microglia activation affects dendritic spine plasticity and motor learning functions in minimal hepatic encephalopathy. [Abstract]2019 Nov:82:178-187. PMID: 31437533 -
iScience
Stimulation of TRPV1+ peripheral somatosensory nerves suppress inflammation via the somato-autonomic reflex. [Abstract]2025 Jan 17;28(2):111831. PMID: 39967868 -
J Neuroendocrinol
Glucocorticoid regulation of diurnal spine plasticity in the murine ventromedial prefrontal cortex. [Abstract]2022 Dec;34(12):e13212. PMID: 36426781 -
J Pharm Biomed Anal
LC-MS/MS method for simultaneous quantification of osilodrostat and metyrapone in human plasma from patients treated for Cushing's Syndrome. [Abstract]2023 May 10:228:115316. PMID: 36868030 -
Biochem Biophys Res Commun
Myo-inositol enhances the low-salinity tolerance of turbot (Scophthalmus maximus) by modulating cortisol synthesis. [Abstract]2020 Jun 11;526(4):913-919. PMID: 32279992
Purity & Documentation
References
[1]. Roozendaal B, et al. Dose-dependent suppression of adrenocortical activity with metyrapone: effects on emotion and memory. Psychoneuroendocrinology. 1996 Nov;21(8):681-93. [Content Brief]
[2]. Jahn H, et al. Metyrapone as additive treatment in major depression: a double-blind and placebo-controlled trial. Arch Gen Psychiatry. 2004 Dec;61(12):1235-44. [Content Brief]
[3]. Daniel E, et al. Effectiveness of Metyrapone in Treating Cushing's Syndrome: A Retrospective Multicenter Study in 195 Patients. J Clin Endocrinol Metab. 2015 Nov;100(11):4146-54. [Content Brief]
[4]. Peterson JA, Ullrich V, Hildebrandt AG. Methyrapone interaction with Pseudomonas putida cytochrome P-405. Arch Biochem Biophys. 1971 Aug;145(2):531-42. [Content Brief]
[5]. Holczer M, et al. A Comprehensive Systems Biological Study of Autophagy-Apoptosis Crosstalk during Endoplasmic Reticulum Stress. Biomed Res Int. 2015;2015:319589. [Content Brief]
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