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71-30-7 Cytosine

product Name Cytosine
CAS No 71-30-7
Synonyms 4-Amino-2-hydroxypyrimidine; 4-Amino-2-oxo-1,2-dihydropyrimidine; 6-aminopyrimidin-2(1H)-one; 4-Amino-2(1H)-Pyrimidinone; Aurora Ka-682; 4-aminopyrimidin-2-ol
Molecular Formula C4H5N3O
Molecular Weight 111.102
InChI InChI=1/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)
EINECS 200-749-5
Molecular Structure 71-30-7 Cytosine
Density 1.55g/cm3
Melting point 300℃
Boiling point 445.8°C at 760 mmHg
Refractive index 1.688
Flash point 223.4°C
Water solubility soluble
Vapour Pressur 1.46E-08mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S36:;
MSDS Material Safety Data Sheet

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Description Molecular formula: C4H5N3O Molecular weight: 111.11 CAS No.: 71-30-7 Specifications: Description: white or almost white crystalline powder Loss on drying: ≤1.0% Residue on ignition: ≤0.2% Heavy metals: ≤20ppm Assay(HPLC): ≥98%
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