G418 disulfate

Supplier: Promega Corporation

Synonyms: G-418 disulfateG-418 disulphateG418 disulfateG-418 sulphateG418 sulphateG-418 sulfateGeneticin®

V7983 V8091
PAV7983EA 646.48 USD
PAV7983 PAV8091
G418 disulfate
G418 disulphate

An aminoglycosidic antibiotic toxic to both prokaryotic and eukaryotic cells.


  • Available as a powder (5g) or as a liquid (20ml)
  • Liquid formulation requires no sterilization


Antibiotic G-418 Sulfate is an aminoglycosidic antibiotic toxic to both prokaryotic and eukaryotic cells. It acts by interfering with protein synthesis and is used as an agent for selection of cultured cells expressing a gene (i.e., aminoglycoside 3' phosphotransferase [APH 3']) that confers resistance to G-418. The liquid form of the product is in distilled water and aseptically filtered. Formula Weight: 692.6 (anhydrous). Form: White powder. Physical/Chemical Properties of Powder: Appearance: White powder. TLC: Single major spot. Elemental Analysis: %C = 28.8-36.07; %H = 5.76-7.76; %N = 6.72-8.41. Absorbance: A280 (1mg/ml) = 0-0.015; A570 (100mg/ml) = 0-0.1. Specific Rotation: +104 to +121. Properties Specific to V7983: Appearance: White powder. Hydration Waters: 0-6, as determined from Elemental Analysis. Potency: Greater than 500microg/mg. Properties Specific to V8091: Potency: 40-60mg/ml. Sterility: Aseptically filtered.


The liquid form of the product is in distilled water and aseptically filtered.

Formula: C₂₀H₄₄N₄O₁₈S₂
MW: 692.72 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00058314
CAS Number: 108321-42-2

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