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糖酸内酯及衍生物

  • 1128-23-0,L-古洛糖酸-γ-内酯, L-Gulonic Acid-1,4-Lactone, CAS: 1128-23-0
1128-23-0,L-古洛糖酸-γ-内酯, L-Gulonic Acid-1,4-Lactone, CAS: 1128-23-0

1128-23-0,L-古洛糖酸-γ-内酯, L-Gulonic Acid-1,4-Lactone, CAS: 1128-23-0

  • CAS:1128-23-0
  • C6H10O6 / 178.14
  • MFCD00064331
  • 产品描述:1128-23-0,L-Gulonic Acid-1,4-Lactone , CAS:1128-23-0
  • 在线订购

Product name: L-Gulonic Acid-1,4-Lactone; L-(+)-Gulonic Acid γ-Lactone

CAS: 1128-23-0 M.F.: C6H10O6 M.W.: 178.14

Items

Standards

Results

Appearance

White or off white powder

Complies

Solubility

Easily soluble in water,

insoluble in general organic solventr

Complies

Appearance of solution

Dissolve0.5 gin 10 ml of water,

and the solution should be clear and colorless

Complies

NMR and MS

Should comply

Comply

M.P.

180°C ~190°C

185°C ~188°C

Specific Rotation

[a]23D (in H2O)

+53o ~ +57 o

+54.8o

TLC

Should be one spot

One spot

Assay by HPLC

Min.95%

98.7%

References:

1. Fleet GW, Ramsden NG, Nash RJ, Fellows LE, Jacob GS, Molyneux RJ, di Bello IC, Winchester B, Carbohydr. Res. 1990, 205, p269
2. Ching S, Mahan DC, Moreau RR, Dabrowski K, J. Nutr. Biochem. 2003, 3, p139


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