guanine

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Chemical Name:guanine
CAS.NO:73-40-5
Synonyms:2-amino-6-oxypurine
6H-Purin-6-one, 2-amino-1,7-dihydro-
Guanin
2-amino-6-hydroxypurine
Guanie
Molecular Formula:C5H5N5O
Molecular Weight:151.12600
 
Physical and Chemical Properties:
Density:2.19
Melting point:>300ºC
Boiling point:591.4ºC
Flash point:311.4ºC
Index of Refraction:2.047
 
Specification:
Appearance:White to off-white powder
Assay(HPLC):98.0-102.0%
Loss on drying:≤0.5%
Arsenic:≤2.0ppm
Heavy metal:≤10ppm
Single impurity:≤0.5%
Sulfated ash:≤0.2%
 
Packing:25 kg/drum, can also be packaged according to customer requirements
Storage:Store in a cool, ventilated place
Application:Guanine is one of the five nucleobases incorporated into biological nucleic acids. Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA. Aciclovir EP Impurity B.

guanine


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