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Tetramethylsilane
$22.10 – $1,090.83is greater than or equal to 99.9%- NMR grade99%Clear25ml100ml5ml1ml -
Tetramethylurea
$14.36 – $615.8599%Analytical reference- is greater than or equal to 99.7% (GC)Clear100ml500ml25ml2.5L250mg