potassium [(2R,3S,4R,5R,6S)-5-acetamido-3,4-dihydroxy-6-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]oxan-2-yl]methyl sulfate

• ChemBase ID: 174532
• Molecular Formular: C18H20KNO11S
• Molecular Mass: 497.5148
• Monoisotopic Mass: 497.03941315
• SMILES: c1c(cc2c(c1)c(cc(=O)o2)C)O[C@@H]1O[C@H]([C@H]([C@@H]([C@@H]1NC(=O)C)O)O)COS(=O)(=O)[O-].[K+]
• Canonical SMILES: CC(=O)N[C@@H]1[C@@H](O[C@H]([C@H]([C@@H]1O)O)COS(=O)(=O)[O-])Oc1ccc2c(c1)oc(=O)cc2C.[K+]
• InChI: InChI=1S/C18H21NO11S.K/c1-8-5-14(21)29-12-6-10(3-4-11(8)12)28-18-15(19-9(2)20)17(23)16(22)13(30-18)7-27-31(24,25)26;/h3-6,13,15-18,22-23H,7H2,1-2H3,(H,19,20)(H,24,25,26);/q;+1/p-1/t13-,15-,16-,17-,18-;/m1./s1
• InChIKey: TYSZCFCWZWWIHC-SZSLDHOESA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: potassium [(2R,3S,4R,5R,6S)-5-acetamido-3,4-dihydroxy-6-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]oxan-2-yl]methyl sulfate
• IUPAC Traditional name: potassium [(2R,3S,4R,5R,6S)-5-acetamido-3,4-dihydroxy-6-[(4-methyl-2-oxochromen-7-yl)oxy]oxan-2-yl]methyl sulfate
• Synonyms: 7-[[2-(Acetylamino)-2-deoxy-6-O-sulfo-β-D-glucopyranosyl]oxy]-4-methyl-2H-1-benzopyran-2-one Monopotassium Salt; MUGS; 4-Methylumbelliferyl 6-Sulfo-2-acetamido-2-deoxy-β-D-glucopyranoside Potassium Salt

Database IDs

• CAS Number: 210357-38-3
• PubChem SID: 164230442
• PubChem CID: 71307144

CALCULATED PROPERTIES

• Acid pKa: -2.1009114
• H Acceptors: 9
• H Donor: 3
• LogD (pH = 5.5): -3.0983253
• LogD (pH = 7.4): -3.098345
• Log P: -2.6951046
• Molar Refractivity: 99.9273 cm^3
• Polarizability: 40.945175 Å^3
• Polar Surface Area: 180.75 Å^2
• Rotatable Bonds: 6
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Water
• Apperance: White Solid
• Melting Point: 190-193°C (dec.)

Safety Information

• Storage Condition: Hygroscopic, -20°C Freezer, Under Inert Atmosphere
• Storage Warning: Light Sensitive - Protect from Light; Store at -20°C

DETAILS

Toronto Research Chemicals - M335000

A fluorogenic substrate used for the diagnosis of GM2 gangliosidoses in leukocytes. Genetic defects in human b-hexosaminidase isozymes (Hex A & Hex B) result in various clinical and biochemical types of GM2 gangliosidosis. They include Tay Sachs disease,

REFERENCES

• Clinical Genetics, 26, 318 (1984)
• Bayleran, J., et al.: Clin. Chem. Acta 143, 73 (1984)