Loading...
Chemical structure of Fmoc-S-sulfo-L-cysteine disodium

GA21563

Fmoc-S-sulfo-L-cysteine disodium

Also listed as Fmoc-Cys(SO₃H)-OH · disodium salt

A useful cysteine derivative for solid-phase synthesis by the Fmoc-strategy· The S-sulfonate group is stable towards TFA and is cleaved either with phosphines or with mercaptans

ChemicalCAS163558-30-3MW467.43FormulaC18H15NNa2O7S2
CAS number
163558-30-3
Molecular weight
467.43
Formula
C18H15NNa2O7S2
Solubility
Soluble in DMSO
InChIKey
BIPPKCSTYKCFHX-SQKCAUCHSA-L
Catalogue number
GA21563
Brand
GLPBIO
Computed properties PubChem CID 91825812 · TPSA 169 Ų · H-bond donors 1 · H-bond acceptors 8
TPSA
169 Ų
H-bond donors
1
H-bond acceptors
8
Rotatable bonds
6
Heavy atoms
30

SMILES C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)N[C@@H](CSS(=O)(=O)[O-])C(=O)[O-].[Na+].[Na+]

Computed descriptors from PubChem (CID 91825812), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.