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糖酸内酯及衍生物

  • 1668-08-2, L-半乳糖酸-1,4-内酯, CAS:1668-08-2
1668-08-2, L-半乳糖酸-1,4-内酯, CAS:1668-08-2

1668-08-2, L-半乳糖酸-1,4-内酯, CAS:1668-08-2

  • CAS:1668-08-2
  • C6H10O6 / 178.14
  • MFCD00066466
  • 产品描述:1668-08-2,L-Galactono-1,4-lactone,CAS: 1668-08-2
  • 在线订购

L-Galactono-1,4-lactone

CAS No:
1668-08-2
Synonyms:
L-Galactonic acid gamma-lactone
MDL No:
MFCD00066466
Chemical Formula:
C6H10O6
Molecular Weight:
178.14
Product Structure
COA:

Product name: L-Galactono-1,4-lactone CAS: 1668-08-2

M.F.: C6H10O6 M.W.: 178.14 Btch No: 20130409 Quantity:102.5g

Items

Standards

Results

Appearance

White powder

Complies

Solubility

Easily soluble in water, insoluble in ether

Complies

Appearance of solution

Dissolve1gin 10mL of water,

and the solution should be clear and colorless

Complies

Identification

IR and TLC

Complies

MS and NMR

Should Comply

Complies

Loss weight on Dryness

Max.0.5%

0.2%

Residue on ignition

Max. 0.5%

0.02%

[a]20D (c,5 inH2O, initial)

+75o ~ +80o

+78.2o

TLC

Should be one spot

one spot

Heavy metal

Max.20ppm

Complies

L-Galactonic acid

Max.2%

0.2%

Assay

Min. 98%

99.8%

References:

1. Kim KS, Cho BH, Shin I, Bull. Korean Chem. Soc. 2002, Vol23, No9, p1193-1194


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