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CAS No 96702-03-3 , 4-Pyrimidinecarboxylicacid, 3,4,5,6-tetrahydro-2-methyl-, (4S)-

  • Name: 4-Pyrimidinecarboxylicacid, 3,4,5,6-tetrahydro-2-methyl-, (4S)-
  • Synonyms: 4-Pyrimidinecarboxylicacid, 3,4,5,6-tetrahydro-2-methyl-, (4S)-;4-Pyrimidinecarboxylicacid, 1,4,5,6-tetrahydro-2-methyl-, (4S)- (9CI); RonaCare; 4-Pyrimidinecarboxylic acid,1,4,5,6-tetrahydro-2-methyl-, (S)-; Ectoin;Pyrostatine B; NSC 614616; Pyrostatin B; Ectoine;
  • CAS Registry Number:
  • Flash Point: 184.5°C
  • Boiling Point: 381.5°Cat760mmHg
  • Density: 1.37g/cm3
  • Refractive index: 1.596
  • Safety Statements:
    Hazard Codes Xi
    Risk Statements 36/37/38
    Safety Statements 26-36
    WGK Germany 1
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 184.5°C
  • Molecular Weight: 142.16
  • InChI: InChI=1/C6H10N2O2/c1-4-7-3-2-5(8-4)6(9)10/h5H,2-3H2,1H3,(H,7,8)(H,9,10)/t5-/m0/s1
  • Risk Statements: 36/37/38
  • Molecular Formula: C6H10 N2 O2
  • Molecular Structure:CAS No:96702-03-3 4-Pyrimidinecarboxylicacid, 3,4,5,6-tetrahydro-2-methyl-, (4S)-

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References of 4-Pyrimidinecarboxylicacid, 3,4,5,6-tetrahydro-2-methyl-, (4S)-
Title: Ectoine
CAS Registry Number: 96702-03-3
CAS Name: (4S)-1,4,5,6-Tetrahydro-2-methyl-4-pyrimidinecarboxylic acid
Synonyms: ectoin
Trademarks: RonaCare Ectoin (Merck KGaA)
Molecular Formula: C6H10N2O2
Molecular Weight: 142.16
Percent Composition: C 50.69%, H 7.09%, N 19.71%, O 22.51%
Literature References: Naturally occurring cyclic amino acid. Organic osmolyte; synthesized by microorganisms to maintain osmotic equilibrium in saline environments and to protect enzymes and whole cells from denaturation. Isoln from the halophilic, phototrophic bacterium, Ectothiorhodospira halochloris, and characterization as a compatible solute: E. A. Galinski et al., Eur. J. Biochem. 149, 135 (1985). Biosynthesis: P. Peters et al., FEMS Microbiol. Lett. 71, 157 (1990). Calorimetric analysis of biosynthesis efficiency: T. Maskow, W. Babel, Biochim. Biophys. Acta 1527, 4 (2001). Chromatographic determn: V. Riis et al., Anal. Bioanal. Chem. 377, 203 (2003). Osmoprotection in E. coli: M. Jebbar et al., J. Bacteriol. 174, 5027 (1992). Mechanism of osmoprotection study: idem et al., ibid. 187, 1293 (2005). Enzyme stabilization study: K. Lippert, E. A. Galinski, Appl. Microbiol. Biotechnol. 37, 61 (1992). In vitro prevention of UVA-induced skin damage: J. Buenger, H. Driller, Skin Pharmacol. Physiol. 17, 232 (2004). Inhibition of b-amyloid peptide aggregation and neurotoxicity: M. Kanapathipillai et al., FEBS Lett. 579, 4775 (2005).
Properties: Crystals from water-free methanol. mp ~280°. [a]D20 +140° (c = 1.0 in methanol). Soly at 4°: 6 mol/kg water. Non-ionic character at physiological pH.
Melting point: mp ~280°
Optical Rotation: [a]D20 +140° (c = 1.0 in methanol)
Use: Stabilizer in biotechnological processes; protects the taste of food during dehydration; moisturizer in cosmetics; protects skin against photoaging and formation of sunburn cells.