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 |
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COA:
Product name: 4-Nitrophenyl-?-D-galactopyranoside
CAS: 3150-24-1 MF: C12H15O8 MW: 301.25
Items
| Standards
| Results
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Appearance
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white crystal powder
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Complies
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Solubility
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Soluble in DMF and insoluble in ether
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Complies
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Identification
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IR and HPLC
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Complies
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Specific rotation
[?]20/D, in water
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-83? ~ -87?
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-85?
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Melting point
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178?C ~182?C
|
180 ? ~182 ?
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Loss weight on dryness
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Max. 0.5%
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0.12%
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Residue on ignition
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Max. 0.5%
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0.2%
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Heavy metals
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Max.20ppm
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Complies
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Assay by HPLC
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98%
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99.2%
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References:
1. Coradin T, Livage J, Comptes Rendus Chimie 2003, No6, p147-152
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