Guanine

C₅H₅N₅O

IUPAC: 2-Amino-1,9-dihydro-6H-purin-6-one

CAS: 73-40-5

Tổng quan

Guanine is a purine nucleobase that pairs with cytosine in both DNA and RNA through three hydrogen bonds. It was first isolated from guano (bat droppings) in 1844, giving it its name. Its crystalline form produces the iridescent sheen seen in fish scales.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 5 1,0080
Carbon C 5 12,0110
Nitrogen N 5 14,0070
Oxygen O 1 15,9990

Thành phần nguyên tố

C
39,7%
N
46,3%
O
10,6%

Công dụng

  • DNA/RNA base pair component
  • GTP energy molecule
  • Pearlescent cosmetics (from fish scales)
  • Biochemistry research

Sự thật thú vị

  • The shimmer in some lipsticks and nail polishes comes from guanine crystals extracted from fish scales

An toàn

  • ⚠ Low toxicity

Structure

SMILES

C1=NC2=C(N1)C(=O)NC(=N2)N

Tính chất

Loại
organic
Trạng thái
solid
Khối lượng mol
151,13 g/mol
Mật độ
2,2000 g/cm³
Điểm nóng chảy
360,0 °C
Độ hòa tan
insoluble

Molecular Descriptors

Exact Mass
151,0494
XLogP
-1,1
TPSA
96,2 Ų
H-Bond Donors
3
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
11
Complexity
225,0

Còn được gọi là

Guanine

Frequently Asked Questions

What is Guanine?
Guanine (C₅H₅N₅O) is a organic compound with the IUPAC name 2-Amino-1,9-dihydro-6H-purin-6-one.
What is the molecular weight of Guanine?
Guanine has a molar mass of 151.127 g/mol.
What state is Guanine at room temperature?
Guanine is a solid at room temperature.
Is Guanine organic or inorganic?
Guanine is classified as an organic compound.
What elements make up Guanine?
Guanine (C₅H₅N₅O) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).