Tetrahydrofolic acid

Tetrahydrofolic acid
Names
	IUPAC name N-[4-({[(6Ξ)-2-Amino-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)benzoyl]-L-glutamic acid
	Systematic IUPAC name (2S)-2-[4-({[(6Ξ)-2-Amino-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)benzamido]pentanedioic acid
Identifiers
CAS Number	135-16-0 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	101189
ChEBI	CHEBI:20506 ;
ChemSpider	82572 ;
DrugBank	DB00116 ;
IUPHAR/BPS	4675;
KEGG	C00101 ;
MeSH	5,6,7,8-tetrahydrofolic+acid
PubChem CID	91443;
UNII	43ZWB253H4 ;
	InChI InChI=1S/C19H23N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,11-12,21,23H,5-8H2,(H,24,29)(H,27,28)(H,31,32)(H4,20,22,25,26,30)/t11?,12-/m0/s1 Key: MSTNYGQPCMXVAQ-KIYNQFGBSA-N ; InChI=1/C19H23N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,11-12,21,23H,5-8H2,(H,24,29)(H,27,28)(H,31,32)(H4,20,22,25,26,30)/t11?,12-/m0/s1 Key: MSTNYGQPCMXVAQ-KIYNQFGBBC;
	SMILES O=C(O)[C@@H](NC(=O)c1ccc(cc1)NCC3N/C2=C(/N/C(=N\C2=O)N)NC3)CCC(=O)O;
Properties
Chemical formula	C19H23N7O6
Molar mass	445.43 g/mol
Melting point	250 °C (482 °F; 523 K)
Solubility in water	0.27 g/L
Acidity (pKa)	3.51
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Tetrahydrofolic acid (THFA), or tetrahydrofolate, is a folic acid derivative.