4-Nitrophenyl-beta-D-galactopyranoside

4-Nitrophenyl bD-galactopyranoside p-nitrophenyl-beta-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 ikB 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 Isometric 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-?-D-galactopyranoside CAS: 3150-24-1 MF: C12H15O8 MW: 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 [?]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.20ppm Complies Assay by HPLC 98% 99.2% References: 1. Coradin T, Livage J, Comptes Rendus Chimie 2003, No6, p147-152