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98.0-102.0% (HPLC)

Empirical Formula (Hill Notation):
C22H24N2O8 · xH2O
CAS Number:
Molecular Weight:
444.43 (anhydrous basis)
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

biological source



98.0-102.0% (HPLC)


powder or crystals


faint yellow to dark yellow


172-174 °C (dec.)

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

Mode of action

protein synthesis | interferes

storage temp.


SMILES string




InChI key


Gene Information

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General description

Chemical structure: tetracycline

Biochem/physiol Actions

Mode of Action: Tetracycline passively diffuses through proin channels in the cell membrane, binding to 30S ribosomes and inhibits protein synthesis by preventing access of aminoacyl tRNA to the acceptor site on the mRNA-ribosome complex. It also binds to the bacterial 50S ribosomal subunit, altering the membrane and causing intracellular components to leak from bacterial cells. The inhibitory effects can be reversed by washing, suggesting that it is the reversibly bound antibiotic, and not the irreversibly bound drug, that is responsible for antibacterial action.

Mode of Resistance: The effects are inactivated via a loss of cell wall permeability.

Antimicrobial spectrum: Includes a wide range of antimicrobial activity against gram-positive and gram-negative bacteria.


25g, 100g

Other Notes

Keep container tightly closed in a dry and well-ventilated place.Hygroscopic. Light sensitive. Keep in a dry place.


Exclamation mark

Signal Word


Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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Quotes and Ordering

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