Skip to Content
Merck

Key Documents

View All Documentation

1653004

USP

Theophylline

United States Pharmacopeia (USP) Reference Standard

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

Change View

About This Item

Empirical Formula (Hill Notation):
C7H8N4O2
CAS Number:
58-55-9
Molecular Weight:
180.16
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329751262
MDL number:
MFCD00079619
Beilstein/REAXYS Number:
13463
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

pharmaceutical primary standard

API family

theophylline

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

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

InChI

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

InChI key

ZFXYFBGIUFBOJW-UHFFFAOYSA-N

Gene Information

human ... ADORA1(134), ADORA2A(135), ADORA2B(136), ADORA3(140), PDE3A(5139), PDE3B(5140), PDE4A(5141), PDE4B(5142), PDE4C(5143), PDE4D(5144)

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Theophylline USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Aminophylline
  • Aminophylline Delayed-Release Tablets
  • Aminophylline Injection
  • Aminophylline Oral Solution
  • Aminophylline Rectal Solution
  • Aminophylline Tablets
  • Dimenhydrinate

Biochem/physiol Actions

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

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Still not finding the right product?

Explore all of our products under Theophylline

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 Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

58-55-9

CAS No.

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library