Date published: 2025-12-5

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N-Hydroxysulphosuccinimidyl-4-azidobenzoate (CAS 199804-22-3)

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Alternate Names:
1-(4-azidobenzoyl)oxy-2,5-dioxopyrrolidine-3-sulfonic acid
CAS Number:
199804-22-3
Molecular Weight:
340.27
Molecular Formula:
C11H8N4O7S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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N-Hydroxysulphosuccinimidyl-4-azidobenzoate also know as 1-(4-azidobenzoyl)oxy-2,5-dioxopyrrolidine-3-sulfonic acid (PASA), use extends to the synthesis of peptides, as a ligand in coordination chemistry, and as a protein solubilizing agent. Also, it has been utilized as a fluorescent probe to identify the existence of specific biological molecules and as a reagent in polymer synthesis. The action mechanism of N-Hydroxysulphosuccinimidyl-4-azidobenzoate isn′t fully comprehended yet, but it′s thought to involve the creation of an intermediate product, 4-azidobenzoyloxy-2-pyrrolidinone, which then further reacts with 2,5-dioxo-1-pyrrolidinesulfonic acid to form N-Hydroxysulphosuccinimidyl-4-azidobenzoate. This intermediate product is thought to be involved in the inhibition of certain enzymes as well as in the synthesis of various compounds.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

N-Hydroxysulphosuccinimidyl-4-azidobenzoate, 100 mg

sc-355670
100 mg
$255.00

N-Hydroxysulphosuccinimidyl-4-azidobenzoate

sc-355670A
1 g
$2227.00