Guanine

C₅H₅N₅O

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

CAS: 73-40-5

概述

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.

组成

元素 符号 原子 原子质量
Hydrogen H 5 1.0080
Carbon C 5 12.0110
Nitrogen N 5 14.0070
Oxygen O 1 15.9990

元素组成

H
Hydrogen ×5
3.3%
C
Carbon ×5
39.7%
N
Nitrogen ×5
46.3%
O
Oxygen ×1
10.6%

用途

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

趣味知识

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

安全性

  • ⚠ Low toxicity

Structure

SMILES

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

属性

类型
organic
状态
solid
摩尔质量
151.13 g/mol
密度
2.2000 g/cm³
熔点
360.0 °C
溶解度
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

别名

Guanine

相关化合物

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

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).