3150-24-1, PNPG,4-Nitrophenyl- β-D-galactopyranoside, CAS: 3150-24-1

PNPG, 4-Nitrophenyl- β-D-galactopyranoside, CAS: 3150-24-1
C12H15NO8 / 301.25
MFCD00063256

4-Nitrophenyl b-D-galactopyranoside

CAS Number	3150-24-1
Product Name	4-Nitrophenyl-beta-D-galactopyranoside
IUPAC Name	2-(hydroxymethyl)-6-(4-nitrophenoxy)oxane-3,4,5-triol
Molecular Formula	C12H15NO8
Molecular Weight	301.25 g/mol
InChI	InChI=1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2
InChI Key	IFBHRQDFSNCLOZ-YBXAARCKSA-N
SMILES	C1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)CO)O)O)O
Synonyms	4-nitrophenyl-alpha-galactoside, 4-nitrophenylgalactoside, 4-nitrophenylgalactoside, (alpha-D)-isomer, p-nitrophenyl-alpha-D-galactopyranoside, p-nitrophenyl-alpha-galactoside, para-nitrophenyl-beta-D-galactoside, PNPG
Canonical SMILES	C1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)CO)O)O)O
Isomeric SMILES	C1=CC(=CC=C1[N+](=O)[O-])O[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O

CAS No: 3150-24-1 Synonyms: PNPG MDL No: MFCD00063256 Chemical Formula: C12H15NO8 Molecular Weight: 301.25

COA:

Product name: 4-Nitrophenyl- β-D-galactopyranoside

CAS: 3150-24-1 M.F.: C12H15O8 M.W.: 301.25

*Items*	*Standards*	*Results*
Appearance	White crystal powder	Complies
Solubility	Soluble in DMF and insoluble in ether	Complies
Identification	IR and HPLC	Complies
Specific rotation [α]20/D, in water	-83° ~ -87°	-85°
Melting point	178°C ~182°C	180℃~182℃
Loss weight on dryness	Max. 0.5%	0.12%
Residue on ignition	Max. 0.5%	0.2%
Heavy metals	Max.20 ppm	Complies
Assay by HPLC	98%	99.2%