Trimethoprim

CAS Registry Number®

738-70-5

CAS Name

Trimethoprim

Molecular Formula

C14H18N4O3

Molecular Mass

290.32

Cite this Page

Trimethoprim.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=738-70-5 (retrieved 2024-11-05) (CAS RN: 738-70-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    199-203 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)

InChIKey

InChIKey=IEDVJHCEMCRBQM-UHFFFAOYSA-N

SMILES

C(C1=CC(OC)=C(OC)C(OC)=C1)C=2C(N)=NC(N)=NC2

Canonical SMILES

N=1C=C(C(=NC1N)N)CC2=CC(OC)=C(OC)C(OC)=C2

Other Names for this Substance

  • 2,4-Pyrimidinediamine, 5-[(3,4,5-trimethoxyphenyl)methyl]-
  • Pyrimidine, 2,4-diamino-5-(3,4,5-trimethoxybenzyl)-
  • 5-[(3,4,5-Trimethoxyphenyl)methyl]-2,4-pyrimidinediamine
  • BW 56-72
  • 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine

CAS INSIGHTSTM
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