D-Galactal

D-Galactal
  • CAS No.:21193-75-9

Important Notice

  1. This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
  2. This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
  3. The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.
Other grades of this product :
D-Galactal Basic information
Product Name:D-Galactal
Synonyms:GALACTAL;GALACTAL, D-;D-GALACTAL;D-Galactat;2-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol;1,5-ANHYDRO-2-DEOXY-D-LYXO-HEX-1-ENITOL;(2R,3R,4R)-2-(hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol;(2R)-2α-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3α,4α-diol
CAS:21193-75-9
MF:C6H10O4
MW:146.14
EINECS:244-264-7
Product Categories:13C & 2H Sugars;Biochemistry;Galactose;Glycals;Sugars;Carbohydrates & Derivatives
Mol File:21193-75-9.mol
D-Galactal Chemical Properties
Melting point 99-103 °C (lit.)
Boiling point 325.5±42.0 °C(Predicted)
density 1.414±0.06 g/cm3(Predicted)
refractive index -22 ° (C=1.2, MeOH)
storage temp. 2-8°C
solubility Acetonitrile (Slightly), Methanol (Slightly)
form Solid
pka12.79±0.60(Predicted)
color White to Off-White
optical activity[α]22/D 21.5°, c = 1.2 in methanol
BRN 81690
Stability:Moisture Sensitive
InChIKeyYVECGMZCTULTIS-HSUXUTPPSA-N
CAS DataBase Reference21193-75-9(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-24/25
WGK Germany 3
HS Code 29329990
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
D-Galactal Usage And Synthesis
Chemical PropertiesWhite Powder
UsesD-Galactal is an important building block for both solution- and solid-phase synthesis of oligosaccharides.
UsesImportant building block for both solution- and solid-phase synthesis of oligosaccharides.
Purification MethodsRecrystallise D-galactal from EtOAc, EtOH or EtOAc/MeOH. [Overend et al. J Chem Soc 675 1950, Wood & Fletcher J Am Chem Soc 79 3234 1957, Distler & Jourdian J Biol Chem 248 6772 1973, Beilstein 17 III/IV 2332.]

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