Doxycycline Calcium
A calcium salt form of doxycycline, a tetracycline antibiotic used to treat bacterial infections. It works identically to other forms of doxycycline by blocking bacterial protein production.
Molecular Weight
524.6000 g/mol
TPSA
182.00 Ų
Therapeutic Areas
Mechanism of Action
Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.
Pharmacokinetics (PK)
Pharmacodynamics (PD)
Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.
2D Structure
Cite this structure
Embed this structure
SMILES
C[C@H]1c2cccc([O-])c2C(=O)C2=C(O)[C@]3(O)C(=O)C(C(N)=O)=C(O)[C@@H](N(C)C)[C@@H]3[C@@H](O)[C@@H]21.C[C@H]1c2cccc([O-])c2C(=O)C2=C(O)[C@]3(O)C(=O)C(C(N)=O)=C(O)[C@@H](N(C)C)[C@@H]3[C@@H](O)[C@@H]21.[Ca+2]
InChI
InChI=1S/2C22H24N2O8.Ca/c2*1-7-8-5-4-6-9(25)11(8)16(26)12-10(7)17(27)14-15(24(2)3)18(28)13(21(23)31)20(30)22(14,32)19(12)29;/h2*4-7,10,14-15,17,25,27-29,32H,1-3H3,(H2,23,31);/q;;+2/p-2/t2*7-,10+,14+,15-,17-,22-;/m00./s1
Molecular Formula
C22H24Ca2N2O8+4
HBD / HBA
6 / 9
Rotatable Bonds
2
Heavy Atoms
34
No targets recorded
Target interaction data is not yet available for this drug.
No interactions recorded
Drug interaction data is not yet available for this compound.
No side effects recorded
Side effect data is not yet available for this drug.
Frequently Asked Questions
A calcium salt form of doxycycline, a tetracycline antibiotic used to treat bacterial infections. It works identically to other forms of doxycycline by blocking bacterial protein production.
Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.
Yes, Doxycycline Calcium is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.
References & Data Sources
- ChEMBL — European Bioinformatics Institute (EBI). CHEMBL2364574. Open-access bioactivity database.
- PubChem — National Center for Biotechnology Information (NCBI). CID 73415789. Chemical information database.
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<div data-drugfyi="drug" data-slug="doxycycline-calcium"></div>
Embed via iframe for maximum compatibility.
<iframe src="https://drugfyi.com/iframe/drug/doxycycline-calcium/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://drugfyi.com/drug/doxycycline-calcium/
Add a dynamic SVG badge to your README or docs.
[](https://drugfyi.com/drug/doxycycline-calcium/)
Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<drugfyi-drug slug="doxycycline-calcium"></drugfyi-drug>