Niacin hydrochloride
Based on 12 publication(s) in Google Scholar
Niacin (Vitamin B3; Nicotinic acid) hydrochloride is an orally active B3 vitamin that is an essential nutrient for humans. Niacin hydrochloride plays a key role in energy metabolism, cell signaling cascades regulating gene expression and apoptosis. Niacin hydrochloride is also used in the study of cardiovascular diseases.
For research use only. We do not sell to patients.
- CAS No.: 636-79-3
- Formula: C6H6ClNO2
- Molecular Weight:159.57
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
Publications Citing Use of MedChemExpress (MCE) Niacin hydrochloride
More- Mil Med Res. 2022 Aug 23;9(1):46. [Abstract]
- Mol Cell. 2023 Sep 7;83(17):3171-3187.e7. [Abstract]
- J Nanobiotechnology. 2022 Mar 9;20(1):120. [Abstract]
- Gut Microbes. 2023 Jan-Dec;15(1):2186114. [Abstract]
- J Pharm Anal. 2026 Mar 19.
- Cell Rep. 2024 Nov 26;43(11):114895. [Abstract]
- Commun Biol. 2023 Mar 2;6(1):235. [Abstract]
- Glia. 2018 Feb;66(2):256-278. [Abstract]
- Int J Mol Sci. 2025 Oct 18;26(20):10132. [Abstract]
- Int Immunopharmacol. 2025 May 21:159:114888. [Abstract]
- Mol Neurobiol. 2024 Nov;61(11):9302-9319. [Abstract]
- bioRxiv. 2023 Mar 29.
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Histological Imaging/Staining
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In Vivo Efficacy Study
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WB
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WB
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ELISA
All Endogenous Metabolite Isoforms
More
Biological Activity
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Microbial Metabolite |
Human Endogenous Metabolite |
Niacin hydrochloride (0-900 μM, 42 hours) significantly increases GSH levels and decreases ROS levels, and affects the expression of genes related to apoptosis and lipid metabolism[1].
Niacin hydrochloride (0-40 μM, 24 hours) can inhibit cancer invasive activity at low dose but with no influence on proliferation[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Cumulus cells and oocytes of prepubertal gilts
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Concentration:600 μM
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Incubation Time:42 hours
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Result:Up-regulated the relative expression of the anti-apoptotic gene BCL2 and lipid metabolism gene ACACA while down-regulated the pro-apoptotic gene BAX.
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Cell Line:Rat ascites hepatoma cell line of AH109A
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Concentration:0-40 μM
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Incubation Time:24 hours
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Result:Had no effect on the proliferation of AH109A cells but suppressed cell invasion from 2.5 μM to 40 μM.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Male C57BL/6 mice[3]
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Dosage:3-300 mg/kg
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Administration:Subcutaneous injection; once
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Result:Induced vasodilation in a dose-dependent manner.
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 636-79-3
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Molecular Weight 159.57
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Formula C6H6ClNO2
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SMILES
O=C(C1=CC=CN=C1)O.Cl
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Synonyms
Nicotinic acid hydrochloride; Vitamin B3 hydrochloride
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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 (12)
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Journal Impact Factor
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Most Recent
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Mil Med Res
Propionate and butyrate attenuate macrophage pyroptosis and osteoclastogenesis induced by CoCrMo alloy particles. [Abstract]2022 Aug 23;9(1):46. PMID: 35996168
Niacin hydrochloride purchased from MedChemExpress. Usage Cited in: Mil Med Res. 2022 Aug 23;9(1):46. [Abstract]
BMDMs (LPS-primed) were treated with propionate (C3, 3 mmol/L), butyrate (C4, 0.5 mmol/L), TSA (50 nmol/L), Panobinostat (25 nmol/L), AR42062 (25 μmol/L), 4-CMTB (100 μmol/L), and niacin (1 mmol/L; 6 h) and then stimulated with CoCrMo alloy particles.
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Mol Cell
2023 Sep 7;83(17):3171-3187.e7. PMID: 37597514 -
J Nanobiotechnology
The ketone body β-hydroxybutyrate alleviates CoCrMo alloy particles induced osteolysis by regulating NLRP3 inflammasome and osteoclast differentiation. [Abstract]2022 Mar 9;20(1):120. PMID: 35264201
Niacin hydrochloride purchased from MedChemExpress. Usage Cited in: J Nanobiotechnology. 2022 Mar 9;20(1):120. [Abstract]
BMDMs (LPS-primed) were treated with different doses of BHB, Niacin (100 μM; 6 h), TSA (50 nM), and LBH589 (25 nM) and stimulated with CoCrMo particles. Supernatants were collected for Caspase-1 and IL-1β detection by western blot.
Niacin hydrochloride purchased from MedChemExpress. Usage Cited in: J Nanobiotechnology. 2022 Mar 9;20(1):120. [Abstract]
BMDMs (LPS-primed) were treated with different doses of BHB, Niacin (100 μM; 6 h), TSA (50 nM), and LBH589 (25 nM) and stimulated with CoCrMo particles. IL-1β was analyzed by ELISA in the supernatants.
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Gut Microbes
2023 Jan-Dec;15(1):2186114. PMID: 36941257 -
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Cell Rep
Structural basis for ligand recognition of the human hydroxycarboxylic acid receptor HCAR3. [Abstract]2024 Nov 26;43(11):114895. PMID: 39427321 -
Commun Biol
Bacterial PncA improves diet-induced NAFLD in mice by enabling the transition from nicotinamide to nicotinic acid. [Abstract]2023 Mar 2;6(1):235. PMID: 36864222
Niacin hydrochloride purchased from MedChemExpress. Usage Cited in: Commun Biol. 2023 Mar 2;6(1):235. [Abstract]
Niacin (400 mg/kg/day). Body weight of mice during the experiment after supplementation with the MCD diet decreased gradually.
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Glia
The ketone body metabolite β-hydroxybutyrate induces an antidepression-associated ramification of microglia via HDACs inhibition-triggered Akt-small RhoGTPase activation. [Abstract]2018 Feb;66(2):256-278. PMID: 29058362
Niacin hydrochloride purchased from MedChemExpress. Usage Cited in: Glia. 2018 Feb;66(2):256-278. [Abstract]
Representative images and quantitative analysis showing the effects of Niacin (1 mM, 10 min) and MK-6892 (10 lM, 10 min) on Akt phosphorylation levels in primary cultured microglia.
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Int J Mol Sci
2025 Oct 18;26(20):10132. PMID: 41155424
Niacin hydrochloride purchased from MedChemExpress. Usage Cited in: Int J Mol Sci. 2025 Oct 18;26(20):10132. [Abstract]
Seven-week-old male C57BL/6 mice were shaved and treated topically with vehicle, 3% rebamipide, 0.5% niacin (NA, lipolysis inhibitor), 0.05% rosiglitazone (RSG, PPARγ agonist), or combination therapies for 26 days (n = 6 for each group). Photographs were taken on day 26 post-treatment. H&E staining of skin sections revealed hair follicle morphology. Ki67 immunofluorescent staining showed that rebamipide-induced hair regeneration was inhibited by NA and RSG.
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Int Immunopharmacol
Early-life antibiotic dysbiosis impairs microbial tryptophan- nicotinic acid metabolism exacerbating food allergy in adulthood. [Abstract]2025 May 21:159:114888. PMID: 40403504 -
Mol Neurobiol
Brain Immune Cell Infiltration and Serum Metabolomic Characteristics Reveal that Lauric Acid Promotes Immune Cell Infiltration in Brain and Streptococcus suis Meningitis in Mice. [Abstract]2024 Nov;61(11):9302-9319. PMID: 38625620 -
Purity & Documentation
References
[1]. Areeg M Almubarak, et al. Supplementation with Niacin during in vitro maturation improves the quality of porcine embryos. Theriogenology. 2021 Jul 15;169:36-46. doi: 10.1016/j.theriogenology.2021.04.005. Epub 2021 Apr 18. [Content Brief]
[2]. Nobuhiro Hirakawa, et al. Anti-invasive activity of niacin and trigonelline against cancer cells. Biosci Biotechnol Biochem. 2005 Mar;69(3):653-8. [Content Brief]
[3]. Kang Cheng, et al. Antagonism of the prostaglandin D2 receptor 1 suppresses nicotinic acid-induced vasodilation in mice and humans. Proc Natl Acad Sci U S A. 2006 Apr 25;103(17):6682-7. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)