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Synonymous | 5-Bromo-2,4-Dioxopyrimidine；5-Bromo-2,4(1H,3H)-Pyrimidinedione；5-Bromo-1H-Pyrimidine-2,4-Dione |
CAS No. | 51-20-7 |
Chinese name | 5-溴尿嘧啶 |
Chemical structure |
|
Appearance | colorless crystal |
Content | ≥99% |
Granular fine crystal; Insoluble in water and petroleum ether, soluble in ethyl acetate and acetic acid; MP is 80 - 83 ℃; Specific rotation[ α] 20d-22.5 ° -- 26.5 ° (0.5-2.0mg/ml, acetic acid).
L-alanine was suspended in dioxane solution and acylated with tert butoxycarbonylazide to obtain the crude product, which was refined by recrystallization.
It is used for peptide synthesis and as an amino acid protective monomer.
Category: toxic substances
Storage and transportation characteristics: the warehouse is ventilated and dry at low temperature
CDMO
