20881-04-3, 双丙酮木糖,
Diacetone-D-xylose,
CAS:20881-04-3
C11H18O5 / 230.26
MFCD00063224
双丙酮木糖,
CAS Number | 20881-04-3 |
Product Name | 1,2:3,5-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 Formula | C11H18O5 |
Molecular Weight | 230.26 g/mol |
InChI | InChI=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 Key | NKZDPBSWYPINNF-BZNPZCIMSA-N |
SMILES | CC1(OCC2C(O1)C3C(O2)OC(O3)(C)C)C |
Canonical SMILES | CC1(OCC2C(O1)C3C(O2)OC(O3)(C)C)C |
Isomeric SMILES | CC1(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.: C11H18O5 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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