Wikipedia:  

S-Adenosyl-L-homocysteine

D-Ribitol, 5-S-(3-amino-3-carboxypropyl)-1-C-(7-amino-1H-pyrazolo(4,3-d)pyrimidin-3-yl)-1,4-anhydro-5-thio-, (1S,5(S))- ; Formycinylhomocysteine; S-Adenosylhomocysteine; S-Adenosyl-L-homocysteine
Molecular Formula
C14 H20 N6 O5 S
Natural Isotopic Abundance Mass
384.4108000000
Mono-Isotopic Molecular Masses
C12N14:   384.121588474
C13N14:   398.168556203
C12N15:   390.103797833
C13N15:   404.1507655621
S-Adenosyl-L-homocysteine image
S-Adenosyl-L-homocysteine
InCHi String:
InChI=1S/C14H20N6O5S/c15-6(14(23)24)1-2-26-3-7-9(21)10(22)13(25-7)20-5-19-8-11(16)17-4-18-12(8)20/h4-7,9-10,13,21-22H,1-3,15H2,(H,23,24)(H2,16,17,18)/t6-,7+,9+,10+,13+/m0/s1

canonical SMILES:
C1=NC2=C(C(=N1)N)N=CN2C3C(C(C(O3)CSCCC(C(=O)O)N)O)O


IUPAC: IUPAC systematic
(2S)-2-amino-4-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methylsulfanyl]butanoic acid

IUPAC traditional: IUPAC cas
(2S)-2-amino-4-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methylthio]butanoic acid

IUPAC openeye
(2S)-2-amino-4-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methylsulfanyl]butanoic acid



PubChem Substance (SID):   85165093   3862936   3323
PubChem Compound (CID):   439155
KEGG: Compound ID   C00021
CAS Registry IDs:   979-92-0   75899-14-8
PDB Chemical Component   SAH
Miscellaneous Databases and IDs:   ChemIDplus 075899148

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.