Chlorosulfonyl Isocyanate TCI C0886

Chemical Identity

Other names: CSI
CAS No.: 1189-71-5
PubChem: CID 70918·SID 87565943
Formula: CClNO3S
Molecular weight: 141.53 g/mol
Purity: >98.0%(GC)
Storage: 0-10°C
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: N-(oxomethylidene)sulfamoyl chloride
SMILES: C(=NS(=O)(=O)Cl)=O
InChIKey: WRJWRGBVPUUDLA-UHFFFAOYSA-N
MDL: MDL00011608

Rp 1.510.950,00

~~Rp 1.056.300,00~~ Rp 1.510.950,00

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TCI C0886 Chlorosulfonyl Isocyanate (CAS 1189-71-5), commonly known as CSI, is one of the most powerful electrophilic reagents in synthetic organic chemistry. Its isocyanate and chlorosulfonyl centres enable β-lactam formation via [2+2] cycloaddition, dehydration of carboxylic acids to nitriles, and direct access to sulfamides, sulfamates, and carbamates. The reagent reacts violently with water and must be handled strictly under anhydrous, inert conditions using dry glassware and syringe techniques. AMI Scientific supplies this TCI product in 25 g, 100 g, and 500 g packs for laboratories equipped to handle highly reactive reagents.

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(2000). Chlorosulfonyl Isocyanate. Synlett doi:10.1055/s-2000-6546
Daniel et al. (1992). Cycloaddition of chlorosulfonyl isocyanate with arylmethylenemalonaldehydes. Tetrahedron doi:10.1016/s0040-4020(01)81228-x
DANIEL et al. (1992). ChemInform Abstract: Cycloaddition of Chlorosulfonyl Isocyanate with Arylmethylenemalonaldehydes.. ChemInform doi:10.1002/chin.199239221

References were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.