Home > Name List By other > (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5S,6R)-3,4, 5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol

CAS No 99-20-7 , (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5S,6R)-3,4,
5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol

  • Name: (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5S,6R)-3,4,
    5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol
  • Synonyms: alpha-D-Trehalose;alpha,alpha-trehalose; Natural trehalose; Mycose; Ergot sugar; D-(+)-Trehalose; D-Trehalose; alpha-Trehalose;(2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5S,6R)-3,4,
    5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol;
  • CAS Registry Number:
  • Density: 1.76 g/cm3
  • Refractive index: 197 ° (C=7, H2O)
  • Safety Statements: 37/39-26
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 202-739-6
  • Molecular Weight: 342.29648
  • InchiKey: HDTRYLNUVZCQOY-LIZSDCNHSA-N
  • InChI: InChI=1S/C12H22O11/c13-1-3-5(15)7(17)9(19)11(21-3)23-12-10(20)8(18)6(16)
    4(2-14)22-12/h3-20H,1-2H2/t3-,4-,5-,6-,7+,8+,9-,10-,11-,12-/m1/s1
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C12H22O11
  • Molecular Structure:CAS No:99-20-7 (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5S,6R)-3,4,<br />5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol

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References of (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5S,6R)-3,4,
5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol
Title: Trehalose
CAS Registry Number: 99-20-7
CAS Name: a-D-Glucopyranosyl-a-D-glucopyranoside
Synonyms: mushroom sugar; mycose; a,a-trehalose
Molecular Formula: C12H22O11
Molecular Weight: 342.30
Percent Composition: C 42.11%, H 6.48%, O 51.41%
Literature References: Non-reducing disaccharide found in fungi, bacteria, yeasts, and insects; 45% as sweet as sucrose. Provides the energy source for flight in many insects. Incorporated into mycobacterial structural glycolipids such as cord factors, q.v. Isoln from the ergot of rye: H. A. L. Wiggers, Ann. 1 129 (1832). Prepn and review of early history: T. S. Harding, Sugar 25, 476-478 (1923). Isoln from yeast: E. M. Koch, F. C. Koch, Science 61, 570 (1925); L. C. Stewart et al., J. Am. Chem. Soc. 72, 2059 (1950). Synthesis: Lemieux, Bauer, Can. J. Chem. 32, 340 (1954). Crystal structure: G. A. Jeffrey, R. Nanni, Carbohydr. Res. 137, 21 (1985). Review of metabolism: A. D. Elbein, Adv. Carbohydr. Chem. Biochem. 30, 227-256 (1974). In vitro evaluation in cryopreservation of human oocytes: A. Eroglu et al., Fertil. Steril. 77, 152 (2002). Use in freeze-drying human platelets: W. F. Wolkers et al., Cryobiology 42, 79 (2001); eidem, Cell Preservation Technol. 1, 175 (2003). Review of properties, toxicity and safety studies: A. B. Richards et al., Food Chem. Toxicol. 40, 871-898 (2002); of stabilizing functions and applications: T. Higashiyama, Pure Appl. Chem. 74, 1263-1269 (2002).
 
Derivative Type: Dihydrate
CAS Registry Number: 6138-23-4
Properties: Orthorhombic, bisphenoidal crystals from dil alcohol. Sweet taste. mp 96.5-97.5°. The water of crystn escapes around 130°. Anhydrous trehalose melts at 203°. [a]D20 +178° (c = 7 of the dihydrate). Sol in water, hot alcohol. Insol in ether. Does not reduce Fehling's soln. Is fermented by yeast. Is not split by a-glucosidase. Acid hydrolysis gives 2 mols D-glucose.
Melting point: mp 96.5-97.5°
Optical Rotation: [a]D20 +178° (c = 7 of the dihydrate)
 
Use: Stabilizes cells during freezing, freeze-drying and air-drying. Sweetener and stabilizer in foods; cryoprotectant for freeze-dried foods. Additive in cosmetics and personal care products.