L-Dihydroorotic acid

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Synonyms:
(S)-dihydroorotic acid
(S)-dihydroorotic acid
dihydroorotate
MFCD00085339
(S)-2,6-Dioxohexahydro-4-pyrimidinecarboxylic acid
(S)-2,6-dioxo-hexahydro-pyrimidine-4-carboxylic acid
4-Pyrimidinecarboxylic acid, 4,5-dihydro-2,6-dihydroxy-, (4S)-
(4S)-2,6-Dioxohexahydropyrimidine-4-carboxylic acid
(4S)-2,6-Dihydroxy-4,5-dihydro-4-pyrimidinecarboxylic acid
L-Dihydroorotic Acid
(4S)-2,6-Dioxohexahydro-4-pyrimidinecarboxylic acid
EINECS 204-352-8
4-Pyrimidinecarboxylic acid, hexahydro-2,6-dioxo-, (4S)-
 
Molecular Formula: C5H6N2O4
Molecular Weight: 158.11200
 
 
Appearance and properties: white to off-white crystalline powder
Density: 1.523
Melting point: 254-255 °C (dec.)(lit.)
Refractive index: 1.519
 
Storage conditions: Store at 0-5ºC
Applications: L-Dihydroorotic acid can be reversibly hydrolyzed by dihydrowheyase to produce acyclic L-ureidosuccinic acid.

Items of Analysis Standard of Analysis Test Results
Appearance White to off-white powder Conform
Specific rotation -31o~+35o  (C=2, 1%NaHCO3) +33.3o
Loss on drying ≤0.5% 0.15%
Purity ≥98.0% 99.94%
ee ≥99.4% 99.48%
Conclusion Conforms to Factory Standard
 

L-Dihydroorotic acid


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