Wikipedia:  

NADH

DPNH; NADH; Nicotinamide adenine dinucleotide
Molecular Formula
C21 H29 N7 O14 P2
Natural Isotopic Abundance Mass
665.4409820000
Mono-Isotopic Molecular Masses
C12N14:   665.124771697
C13N14:   686.19522329
C12N15:   672.104015949
C13N15:   693.1744675429
NADH image
NADH
InCHi String:
InChI=1S/C21H29N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1,3-4,7-8,10-11,13-16,20-21,29-32H,2,5-6H2,(H2,23,33)(H,34,35)(H,36,37)(H2,22,24,25)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1

isomeric SMILES:
C1C=CN(C=C1C(=O)N)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)OP(=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)N4C=NC5=C4N=CN=C5N)O)O)O)O
canonical SMILES:
C1C=CN(C=C1C(=O)N)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)OCC3C(C(C(O3)N4C=NC5=C4N=CN=C5N)O)O)O)O


IUPAC
[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methoxy-[[(2R,3R,4R,5R)-5-(3-carbamoyl-4H-pyridin-1-yl)-3,4-dihydroxy-oxolan-2-yl]methoxy-hydroxy-phosphoryl]oxy-phosphinic acid

IUPAC traditional: IUPAC cas: IUPAC openeye
[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-[[(2R,3R,4R,5R)-5-(3-carbamoyl-4H-pyridin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl]oxy-phosphinic acid

IUPAC systematic
[[(2R,3R,4R,5R)-5-(3-aminocarbonyl-4H-pyridin-1-yl)-3,4-dihydroxy-oxolan-2-yl]methoxy-hydroxy-phosphoryl]oxy-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methoxy]phosphinic acid



PubChem Substance (SID):   85164902   3306
PubChem Compound (CID):   439153
KEGG: Compound ID   C00004
CAS Registry IDs:   n/a
PDB Chemical Component   NAI
Miscellaneous Databases and IDs:   CHEBI 16908

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.