| | Identification | Back Directory |  | [Name] 
 HYDROXYECTOINE
 |  | [CAS] 
 165542-15-4
 |  | [Synonyms] 
 HYDROXYECTOINE
 HYDROXYECTOIN*
 Hydroxyectoine >=95% (HPLC)
 (S)-5-Hydroxy-2-methyl-3,4,5,6-tetrahydro-pyrimidin-4-carbonsure
 (4S,5S)-5-HYDROXY-2-METHYL-1,4,5,6-TETRAHYDROPYRIMIDINE-4-CARBOXYLIC ACID
 (5S,6S)-5-hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-6-carboxylic acid
 4-Pyrimidinecarboxylic acid, 1,4,5,6-tetrahydro-5-hydroxy-2-methyl-, (4S,5S)-
 4-Pyrimidinecarboxylicacid,1,4,5,6-tetrahydro-5-hydroxy-2-methyl-,(4S,5S)-(9CI)
 THP(A),  (4S,5S)-5-Hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic  acid
 |  | [Molecular Formula] 
 C6H10N2O3
 |  | [MDL Number] 
 MFCD01863080
 |  | [MOL File] 
 165542-15-4.mol
 |  | [Molecular Weight] 
 158.16
 | 
 | Chemical Properties | Back Directory |  | [Boiling point ] 
 465.2±45.0 °C(Predicted)
 |  | [density ] 
 1.56±0.1 g/cm3(Predicted)
 |  | [form ] 
 solid
 |  | [pka] 
 2.83±0.40(Predicted)
 |  | [color ] 
 Off-white to light yellow
 |  | [InChI] 
 InChI=1S/C6H10N2O3/c1-3-7-2-4(9)5(8-3)6(10)11/h4-5,9H,2H2,1H3,(H,7,8)(H,10,11)/t4-,5-/m0/s1
 |  | [InChIKey] 
 KIIBBJKLKFTNQO-WHFBIAKZSA-N
 |  | [SMILES] 
 C1(C)NC[C@H](O)[C@@H](C(O)=O)N=1
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 food and beverages
 |  | [Definition] 
 ChEBI: 5-hydroxyectoine is a carboxamidine heterocycle which is obtained by formal condensation of 4-amino-L-allothreonine with acetic acid. It is a carboxamidine, a secondary alcohol, a member of 1,4,5,6-tetrahydropyrimidines and a monocarboxylic acid. It is a conjugate acid of a 5-hydroxyectoinate. It is a tautomer of a 5-hydroxyectoine zwitterion.
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