Skip to Content
Merck
CN

92033

Theophylline

pharmaceutical secondary standard; traceable to USP, PhEur and BP

Synonym(s):

1,3-Dimethylxanthine, 2,6-Dihydroxy-1,3-dimethylpurine, 3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Empirical Formula (Hill Notation):
C7H8N4O2
CAS Number:
58-55-9
Molecular Weight:
180.16
EC Number:
200-385-7
UNSPSC Code:
41116000
MDL number:
MFCD00079619
Beilstein/REAXYS Number:
13463

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

application(s)

forensics and toxicology
pharmaceutical (small molecule)

InChI key

ZFXYFBGIUFBOJW-UHFFFAOYSA-N

InChI

1S/C7H8N4O2/c1-10-5-4(8-3-9-5)6(12)11(2)7(10)13/h3H,1-2H3,(H,8,9)

SMILES string

CN1C(=O)N(C)c2[nH]cnc2C1=O

agency

traceable to BP 327, traceable to Ph. Eur. T080000, traceable to USP 1653004

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

Phosphodiesterase inhibitor; diuretic; cardiac stimulant; muscle relaxant; asthma medication.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Repr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

S Baldassano et al.
British journal of pharmacology, 158(1), 243-251 (2009-05-27)
Although it is well accepted that cannabinoids modulate intestinal motility by reducing cholinergic neurotransmission mediated by CB(1) receptors, it is not known whether the endocannabinoids are involved in more complex circuits and if they interact with other systems. The aim
Daniel Wolny et al.
Acta poloniae pharmaceutica, 69(6), 1384-1386 (2013-01-05)
Dissolution testing is a very important tool used to demonstrate the similarity between different formulations. Due to a narrow therapeutic range of theophylline, it is crucial to investigate the differences in the rate of release of this drug between the
Amjad Alhalaweh et al.
AAPS PharmSciTech, 14(1), 265-276 (2013-01-09)
The purpose of this work was to characterize theophylline (THF) cocrystals prepared by spray drying in terms of the physicochemical properties and inhalation performance when aerosolized from a dry powder inhaler. Cocrystals of theophylline with urea (THF-URE), saccharin (THF-SAC) and
Tari Haahtela et al.
Duodecim; laaketieteellinen aikakauskirja, 129(9), 994-995 (2013-06-22)
Asthma is an inflammatory disease of the lower airways. The typical symptoms of asthma are cough, wheezing and shortness of breath. Asthma is diagnosed based on measures of pulmonary function showing variable or reversible airways obstruction. The basic pharmacological treatment
Manja Wachsmuth et al.
Nucleic acids research, 41(4), 2541-2551 (2013-01-01)
Riboswitches are regulatory RNA elements typically located in the 5'-untranslated region of certain mRNAs and control gene expression at the level of transcription or translation. These elements consist of a sensor and an adjacent actuator domain. The sensor usually is
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service