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S-Carboxymethyl-L-cysteine, 97%
S-Carboxymethyl-L-cysteine, 97%
S-Carboxymethyl-L-cysteine, 97%
Thermo Scientific Chemicals

S-Carboxymethyl-L-cysteine, 97%

CAS: 638-23-3 | C5H9NO4S | 179.19 g/mol
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100 g
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Catalog number B23487.14
also known as B23487-14
Price (USD)
40.65
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Online exclusive
Ends: 30-Jun-2026
47.10
Save 6.45 (14%)
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Quantity:
25 g
Request bulk or custom format
Price (USD)
40.65
Special offer
Online exclusive
Ends: 30-Jun-2026
47.10
Save 6.45 (14%)
Each
Chemical Identifiers
CAS638-23-3
IUPAC Name(2R)-2-amino-3-[(carboxymethyl)sulfanyl]propanoic acid
Molecular FormulaC5H9NO4S
InChI KeyGBFLZEXEOZUWRN-VKHMYHEASA-N
SMILESN[C@@H](CSCC(O)=O)C(O)=O
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)White to pale cream
FormPowder
Optical Rotation-29 t0 -33 (c=1 in 10% NaHCO3)
Assay (Non-aqueous acid-base Titration)≥96.0 to ≤104.0%
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
RUO – Research Use Only