Β-Lactose

CAS	5965-66-2
Structure
Synonyms	4-O-Hexopyranosylhexopyranose
IUPAC Name	(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol
Molecular Weight	342.3
Molecular Formula	C12H22O11
Canonical SMILES	C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O)CO)O)O)O)O
InChI	InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5+,6+,7-,8-,9-,10-,11-,12+/m1/s1
InChI Key	GUBGYTABKSRVRQ-DCSYEGIMSA-N
Boiling Point	397.76 °C
Melting Point	224 °C
Purity	98%
Density	1.59 g/ml
pKa	12.02±0.70
Solubility in Water	Soluble
Appearance	Solid