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20881-04-3, Diacetone-D-xylose, CAS:20881-04-3

20881-04-3, Diacetone-D-xylose,
CAS:20881-04-3
C11H18O5 / 230.26
MFCD00063224

1,2:3,5-Di-O-isopropylidene-a-D-xylofuranose

双丙酮木糖,

CAS Number20881-04-3
Product Name1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose
IUPAC Name(1S,2R,6R,8R)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[6.4.0.02,6]dodecane
Molecular FormulaC11H18O5
Molecular Weight230.26 g/mol
InChIInChI=1S/C11H18O5/c1-10(2)12-5-6-7(14-10)8-9(13-6)16-11(3,4)15-8/h6-9H,5H2,1-4H3/t6-,7+,8-,9-/m1/s1
InChI KeyNKZDPBSWYPINNF-BZNPZCIMSA-N
SMILESCC1(OCC2C(O1)C3C(O2)OC(O3)(C)C)C
Canonical SMILESCC1(OCC2C(O1)C3C(O2)OC(O3)(C)C)C
Isomeric SMILESCC1(OC[C@@H]2[C@H](O1)[C@@H]3[C@H](O2)OC(O3)(C)C)C


CAS No: 20881-04-3 Synonyms: Diacetone-D-xylose MDL No: MFCD00063224 Chemical Formula: C11H18O5 Molecular Weight: 230.26

COA:

Product name: 1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose; Diacetone-D-xylose

CAS: 20881-04-3              M.F.: C11H18O             M.W.: 230.26

Batch No: 20120208                                                 Quantity:836g

Items

Standards

Results

Appearance

White crystalline powder

Positive

Solubility

Soluble in CHCl3 and

insoluble in water

Complies

NMR and ESI-MS

Should comply

Complies

Identification

IR and TLC

Positive

Melting point

40 ~45

43 ~45

Optical Activity

[α]20/D (c=3 inAcetone)

18 o ~ 20o

19.4°

Loss Weight On Dryness

Max. 0.5%

Complies

Residue on ignition

Max. 0.5%

0.05%

Heavy metal

Max. 20ppm

Complies

TLC (15%H2SO4-C2H5OH)

One spot

Complies

Assay

Min. 98%

99.2%

References:

1. Lin TY, Chang HC, Lagow RJ, J. Org. Chem. 1999, Oct 29, 64(22), 8127-8129


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