Determine the necessary mass, volume, or concentration for preparing a solution.
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Moligand™, ≥97% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 16 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Product Description
Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. Cysteine is commonly used as a precursor in the food and pharmaceutical industries. Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.
Product Application
NMDA agonist that is an agonist at quisqualate receptors at high concentration.
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Amino acids, peptides, and analogues |
| Intermediate Tree Nodes | Amino acids and derivatives - Alpha amino acids and derivatives |
| Direct Parent | Cysteine and derivatives |
| Alternative Parents | Alpha amino acids Amino acids Monocarboxylic acids and derivatives Carboxylic acids Alkylthiols Organopnictogen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Cysteine or derivatives - Alpha-amino acid - Amino acid - Alkylthiol - Carboxylic acid - Monocarboxylic acid or derivatives - Organic nitrogen compound - Hydrocarbon derivative - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Primary aliphatic amine - Organopnictogen compound - Carbonyl group - Amine - Organic oxygen compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as cysteine and derivatives. These are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. |
| External Descriptors | sulfur-containing amino acid - alpha-amino acid |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Aug 04, 2026 | C110437 | |
| Certificate of Analysis | Aug 04, 2026 | C110437 | |
| Certificate of Analysis | Aug 04, 2026 | C110437 | |
| Certificate of Analysis | Aug 04, 2026 | C110437 | |
| Certificate of Analysis | Jan 31, 2026 | C110437 | |
| Certificate of Analysis | Jan 31, 2026 | C110437 | |
| Certificate of Analysis | Jan 31, 2026 | C110437 | |
| Certificate of Analysis | Aug 21, 2025 | C110437 | |
| Certificate of Analysis | Oct 17, 2022 | C110437 | |
| Certificate of Analysis | Oct 17, 2022 | C110437 | |
| Certificate of Analysis | Oct 17, 2022 | C110437 |
| Solubility | Soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone. |
|---|---|
| Sensitivity | light sensitive;Air sensitive;Moisture sensitive |
| Melt Point(°C) | 225°C |
| Molecular Weight | 121.160 g/mol |
| XLogP3 | -2.500 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 121.02 Da |
| Monoisotopic Mass | 121.02 Da |
| Topological Polar Surface Area | 64.300 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 75.300 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View Moligand™ grade guide →