Translations:Niacin/1/en
{{Chembox | Watchedfields = changed | verifiedrevid = 408767536 | ImageFileL1 = Niacin_structure.svg | ImageFileL1_Ref = | ImageNameL1 = Kekulé, skeletal formula of niacin | ImageFileR1 = Niacin-3D-balls.png | ImageFileR1_Ref = | ImageNameR1 = Ball and stick model of niacin | PIN = Pyridine-3-carboxylic acid | pronounce = /ˈnaɪəsɪn/
| OtherNames =
- Nicotinic acid (INN)
- Bionic
- Vitamin B3
- Vitamin PP
|Section1={{Chembox Identifiers | CASNo = 59-67-6 | CASNo_Ref = check | PubChem = 938 | ChemSpiderID = 913 | ChemSpiderID_Ref = check | UNII = 2679MF687A | UNII_Ref = check | EINECS = 200-441-0 | DrugBank_Ref = check | DrugBank = DB00627 | KEGG = D00049 | KEGG_Ref = check | KEGG1_Ref = check | KEGG1 = C00253 | MeSHName = Niacin | ChEBI_Ref = check | ChEBI = 15940 | ChEMBL = 573 | ChEMBL_Ref = check | IUPHAR_ligand = 1588 | RTECS = QT0525000