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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 Number3150-24-1
Product Name4-Nitrophenyl-beta-D-galactopyranoside
IUPAC Name2-(hydroxymethyl)-6-(4-nitrophenoxy)oxane-3,4,5-triol
Molecular FormulaC12H15NO8
Molecular Weight301.25 g/mol
InChIInChI=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 KeyIFBHRQDFSNCLOZ-YBXAARCKSA-N
SMILESC1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)CO)O)O)O
Synonyms4-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 SMILESC1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)CO)O)O)O
Isomeric SMILESC1=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%

References:

1. Coradin T, Livage J, Comptes Rendus Chimie 2003, No6, p147-152


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