Structure

Nicotinamide

CAS
98-92-0
Catalog Number
ACM98920-3
Category
Inhibitors
Molecular Weight
122.12
Molecular Formula
C6H6N2O

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Specification

Description
Nicotinamide is a form of vitamin B3 or niacin. Nicotinamide Hydrochloride inhibits SIRT2 activity (IC50: 2 μM). Nicotinamide also inhibits SIRT1. Nicotinamide increases cellular NAD+, ATP, ROS levels. Nicotinamide inhibits tumor growth and improves survival. Nicotinamide also has anti-HBV activity.
Synonyms
Aminicotin
IUPAC Name
Pyridine-3-carboxamide
Canonical SMILES
C1=CC(=CN=C1)C(=O)N
InChI
InChI=1S/C6H6N2O/c7-6(9)5-2-1-3-8-4-5/h1-4H,(H2,7,9)
InChI Key
DFPAKSUCGFBDDF-UHFFFAOYSA-N
Boiling Point
150-160 °C
Melting Point
128-131 °C(lit.)
Flash Point
182 °C
Density
1.40 g/cm³
Solubility
Soluble in butanol, chloroform
Appearance
White powder
Storage
2-8 °C
Complexity
114
EC Number
202-713-4
Exact Mass
122.048012819
Hazard Statements
Xi,T,F
Monoisotopic Mass
122.048012819
pKa
3.3(at 20 °C)
Refractive Index
1.4660
Safety Description
26-36-37/39-45-36/37-16-7
Supplemental Hazard Statements
H315-H319-H335-H225-H301+H311+H331-H370
Symbol
GHS07,GHS02,GHS06,GHS08
Topological Polar Surface Area
56 Ų

Nicotinamide: A Molecular Review of an NAD+ Precursor Vitamin in Human Nutrition

Intracellular NAD+ metabolism in humans. Bogan, Katrina L., and Charles Brenner. Annu. Rev. Nutr. 28.1 (2008): 115-130.

Although baseline requirements for nicotinamide adenine dinucleotide (NAD) synthesis can be met by dietary tryptophan or less than 20 mg of niacin daily (composed of niacin and/or nicotinamide), increasing evidence suggests that NAD synthesis rates may be substantially increased. Beneficial in protection against neurodegeneration, Candida glabrata infection, and possibly enhancing reverse cholesterol transport. The unique and tissue-specific biosynthetic and/or ligand activities of tryptophan, niacin, nicotinamide, and the newly identified NAD precursor nicotinamide riboside account for vitamin-specific effects and side effects. As current data suggest that nicotinamide riboside may be the only vitamin precursor that supports neuronal NAD synthesis, the prospect of nicotinamide riboside supplementation in humans is raised and areas for future research are suggested.
NR is a newly discovered salvageable precursor of NAD that is found in milk. Studies in Saccharomyces cerevisiae have shown that, like Na and Nam, NR is a NAD precursor that helps maintain intracellular NAD concentrations and improves NAD-dependent activities in cells, including Sir2-dependent gene silencing and lifespan. NR can be converted to NAD via the Nrk pathway, which is induced by axotomy in dorsal root ganglion (DRG) neurons, or via the actions of nucleoside phosphorylases and nicotinamide rescue. Studies have also shown that the same two pathways required for NR rescue in yeast cells can also be used for NaR rescue. In yeast cells, NR clearly qualifies as a vitamin, as it can rescue growth of strains deficient in de novo synthesis, improve Sir2 function (8), and utilize dedicated transporters.

Research on the Effects of Nicotinamide on Central Nervous System Health

Simplified schematic representation of the key pathways for the metabolism of nicotinamide, niacin, and tryptophan in the production of NAD+ Fricker, Rosemary A., et al. International Journal of Tryptophan Research 11 (2018): 1178646918776658.

Nicotinamide, the amide form of vitamin B (niacin), has long been implicated in neuronal development, survival, and function in the central nervous system (CNS), with implications for neuronal death and neuroprotection. Research investigates the role of nicotinamide in neuronal health within the CNS, with an emphasis on studies that have shown neuroprotective effects. Nicotinamide appears to play a role in protecting neurons from traumatic injury, ischemia, and stroke, and has been implicated in 3 key neurodegenerative diseases: Alzheimer's, Parkinson's, and Huntington's. A key factor is the bioavailability of nicotinamide, with low concentrations causing neurological deficits and dementia and high concentrations potentially causing neurotoxicity. Finally, potential mechanisms of action for nicotinamide are discussed, including general maintenance of cellular energy levels and more specific inhibition of molecules such as the nicotinamide adenine dinucleotide-dependent deacetylase Sirtuin 1 (SIRT1).
Many studies suggest that nicotinamide is essential for the growth and maintenance of the CNS, promoting neuronal differentiation and neuronal survival, respectively. For example, nicotinamide appears to enhance and accelerate the conversion of embryonic stem cells to neural progenitor cells and the differentiation of neurons from precursor cells, suggesting that it plays a key role in neural development. Considerable evidence suggests that NAD+ metabolism has a direct impact on the survival of neurons in the central nervous system. NAD+ is an important substrate for 3 major enzyme classes: the sirtuin family (SIRTs), poly (ADP-ribose) polymerases (PARPs) and related adenosine diphosphate (ADP)-ribosyltransferases (ARTs), and cyclic ADP-ribose (cADPR) synthases, CD38, and CD157. Nicotinamide is a byproduct of SIRT, PARP, and ART activity. Nicotinamide can inhibit the activity of these enzymes by binding to NAD+. In addition, neurons contain only low levels of the enzyme NAMPT, which is required for the first step in the conversion of nicotinamide to NAD+, which may reduce its availability in these cells. NAD+ levels decrease with age, which may be related to reduced NAMPT levels. Further evidence supporting this comes from studies where the aminopropylcarbazole chemicals of the P7C3 class were found to exert neuroprotective effects in PD, stroke, and ALS models via activation of NAMPT.

What is the molecular formula of Nicotinamide?

The molecular formula of Nicotinamide is C6H6N2O.

What are some synonyms for Nicotinamide?

Some synonyms for Nicotinamide are niacinamide, 3-Pyridinecarboxamide, and Nicotinic acid amide.

What is the molecular weight of Nicotinamide?

The molecular weight of Nicotinamide is 122.12 g/mol.

When was Nicotinamide created and modified?

Nicotinamide was created on September 16, 2004, and modified on October 21, 2023.

What is the primary significance of Nicotinamide?

The primary significance of Nicotinamide is in the prevention and/or cure of blacktongue and pellagra.

What are some functions of Nicotinamide?

Nicotinamide functions as an EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor, a metabolite, a cofactor, an antioxidant, a neuroprotective agent, an EC 3.5.1.98 (histone deacetylase) inhibitor, an anti-inflammatory agent, a Sir2 inhibitor, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite, a mouse metabolite, a human urinary metabolite, and a geroprotector.

What is the IUPAC name of Nicotinamide?

The IUPAC name of Nicotinamide is pyridine-3-carboxamide.

What is the InChI of Nicotinamide?

The InChI of Nicotinamide is InChI=1S/C6H6N2O/c7-6(9)5-2-1-3-8-4-5/h1-4H,(H2,7,9).

What is the InChIKey of Nicotinamide?

The InChIKey of Nicotinamide is DFPAKSUCGFBDDF-UHFFFAOYSA-N.

What is the CAS number of Nicotinamide?

The CAS number of Nicotinamide is 98-92-0.

Upstream Synthesis Route 1

  • 56-85-9
  • 98-92-0

Reference: [1]Biochemical Journal,1949,vol. 44,p. 506 - 509

Downstream Synthesis Route 1

  • 98-92-0
  • 13438-65-8

Reference: [1] Journal of the American Chemical Society, 1944, vol. 66, p. 1479,1482
[2] Journal of Organic Chemistry, 1954, vol. 19, p. 1633,1636[3] Org. Synth. Coll., 1963, vol. Vol. IV, p. 166

Downstream Synthesis Route 2

  • 98-92-0
  • 121-69-7
  • 13438-65-8

Reference: [1] Journal of the American Chemical Society, 1944, vol. 66, p. 1479,1482

Downstream Synthesis Route 3

  • 98-92-0
  • 100-55-0

Reference: [1] ACS Catalysis, 2016, vol. 6, # 1, p. 47 - 54
[2] Chemical Science, 2017, vol. 8, # 5, p. 3576 - 3585

Downstream Synthesis Route 4

  • 590-92-1
  • 98-92-0
  • 109822-09-5

Reference: [1]Justus Liebigs Annalen der Chemie,1959,vol. 621,p. 106,119

Downstream Synthesis Route 5

  • 50-00-0
  • 98-92-0
  • 3569-99-1

Reference: [1]Roczniki Chemii,1953,vol. 27,p. 396,401
Chem.Abstr.,1955,p. 1033
[2]Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry,2005,vol. 44,p. 158 - 162
[3]Journal of Chemical Sciences,2014,vol. 126,p. 1285 - 1290

* For details of the synthesis route, please refer to the original source to ensure accuracy.

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