English Name	Uracil
Chinese Alias	2,4(1H,3H)-Pyrimidinedione
CAS RN	66-22-8
Molecular Formula	C₄H₄N₂O₂
Molecular Weight	112.09
EINECS No.	200-621-9
Structural Formula
Technical Indicators of Uracil (Pharmaceutical Intermediate)
Item	Quality Index
Property	White or off-white crystalline powder
Loss on Drying (%)	≤ 0.5
Residue on Ignition (%)	≤ 0.1
Identification	The retention time of the main peak of the test solution should be consistent with that of the reference solution (± 2.5%)
Chloride (%)	≤ 0.01
Sulfate (%)	≤ 0.04
Heavy Metals (ppm)	≤ 10
Purity (%)	≥ 99.0
Melting Point	＞300℃
Application	Used as a pharmaceutical intermediate
Packaging	Inner packaging: PE bag; Outer packaging: cardboard drum or packaging as per customer requirements
Transportation	Transportation vehicles must be clean and dry. During transport, protect against rain, moisture, and sunlight. Do not transport together with toxic, harmful, corrosive, or other polluting substances. Handle with care during storage and transportation; throwing or bumping is strictly prohibited.
Storage and Transportation	This product should be stored in a sealed container. Keep in a well-ventilated, dry warehouse away from direct sunlight.

Key Features

● High assay purity suitable for biochemical use

● Excellent solubility in alcohol and base solutions

● Consistent particle size for reproducible reaction kinetics

Applications

● Used for uridine and thymine derivative synthesis

● Enzyme substrate in RNA polymerase and nucleotide metabolism studies

● Intermediate in pharmaceutical R&D and fine chemicals