Theophylline

C₇H₈N₄O₂

IUPAC: 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione

CAS: 58-55-9

نظرة عامة

Theophylline is a methylxanthine found in tea and used to treat asthma by relaxing bronchial smooth muscle. It is chemically similar to caffeine.

التركيب

العنصر الرمز الذرات الكتلة الذرية
Hydrogen H 8 1,0080
Carbon C 7 12,0110
Nitrogen N 4 14,0070
Oxygen O 2 15,9990

التركيب العنصري

H
Hydrogen ×8
4,5%
C
Carbon ×7
46,7%
N
Nitrogen ×4
31,1%
O
Oxygen ×2
17,8%

الاستخدامات

  • • Asthma treatment
  • • COPD treatment
  • • Apnea of prematurity

حقائق مثيرة

  • ✦ Found naturally in tea leaves, where it was discovered in 1888 by the German biologist Albrecht Kossel

السلامة

  • ⚠ Narrow therapeutic index
  • ⚠ Toxicity at high doses
  • ⚠ Drug interactions

Structure

SMILES

CN1C2=C(C(=O)N(C1=O)C)NC=N2

الخصائص

النوع
organic
الحالة
solid
الكتلة المولية
180,16 g/mol
الكثافة
1,4900 g/cm³
نقطة الانصهار
273,0 °C
الذوبانية
7.4 g/L at 25°C

Molecular Descriptors

Exact Mass
180,0647
XLogP
0,0
TPSA
69,3 Ų
H-Bond Donors
1
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
13
Complexity
267,0

مركبات ذات صلة

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 Theophylline?
Theophylline (C₇H₈N₄O₂) is a organic compound with the IUPAC name 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione.
What is the molecular weight of Theophylline?
Theophylline has a molar mass of 180.16 g/mol.
What state is Theophylline at room temperature?
Theophylline is a solid at room temperature.
Is Theophylline organic or inorganic?
Theophylline is classified as an organic compound.
What elements make up Theophylline?
Theophylline (C₇H₈N₄O₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).