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Biological Data

Biological description Highly reactive, thiol-specific spin-label. Specific conformational probe of thiol site structure by its minimal rotational freedom and distance from the covalent disulfide linkage to the macromolecule under study. Used to label cysteine residues in proteins (site-directed labeling, SDS-labeling). Allows protein structure and protein dynamics determination as well as the study of protein-protein and protein-oligonucleotide interactions.

Solubility & Handling

Storage instructions +4°C
Important This product is for RESEARCH USE ONLY and is not intended for therapeutic or diagnostic use. Not for human or veterinary use.

Calculators

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Chemical Data

Purity >98%
Chemical name (1-Oxyl-2,2,5,5-tetramethylpyrroline-3- methyl)methanethiosulfonate
Molecular Weight 264.3
Chemical structure MTSSL [81213-52-7] Chemical Structure
Molecular Formula C10H18NO3S2
CAS Number 81213-52-7
SMILES CC1(C)C=C(CS[S](C)(=O)=O)C(C)(C)N1[O]
InChiKey BLSCGBLQCTWVPO-UHFFFAOYSA-N
Appearance Yellow crystalline solide