Catalogue Number: W500000
Chemical Name: WST-1
Synonyms: 4-[3-(4-Iodophenyl)-2-(4-nitrophenyl)-2H-5-tetrazolio]-1,3-benzene Disulfonate; 5-(2,4-Disulfophenyl)-2-(4-iodophenyl)-3-(4-nitrophenyl)-2H-tetrazolium Inner Salt Sodium Salt (1:1)
CAS Number: 150849-52-8
Molecular Formula: C₁₉H₁₁IN₅NaO₈S₂
Appearance: Light Yellow to Brownish Yellow Solid
Melting Point: > 275°C (dec.)
Molecular Weight: 651.35
Storage: Amber Vial, -20°C Freezer, Under inert atmosphere
Solubility: DMSO (Slightly), Methanol (Very Slightly, Sonicated), Water (Slightly)
Stability: Hygroscopic
Category: Labeling and Diagnostics Reagents
Applications: A highly sensitive tetrazolium reagent (light red) that produces a water-soluble formazan (dark red color) in NADH and cell proliferation assays due to cleavage by mitochondrial dehydrogenase. WST-1 formazan l max = 438nm; e= 3.7 x 104

All Products are stable to be shipped at room temperature, unless otherwise specified.
MSDS: W500000.pdf
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  Pack size Price(USD)
25mg $140.00
250mg $750.00
  Pack size Price(USD)
100mg $325.00
500mg $1375.00

Exact Weight Packaging ($75(USD) / Vial)
Inventory Status:   In Stock

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