Sulfo-NHS Product Catalog # Size Price (USD) Quantity Sulfo-NHS181901-1G1 g$50.00 - Sulfo-NHS-1g quantity + Sulfo-NHS181901-5G5 g$100.00 - Sulfo-NHS-5g quantity + Sulfo-NHS181901-25G25 g$300.00 - Sulfo-NHS-25g quantity + Add to cart Description Synonym: N-hydroxysulfosuccinimide CAS #: 106627-54-7 Molecular Formula: C4H4NNaO6S Molecular Weight: 217.1