| Identification | More | [Name]
2-Amino-3-mercaptopropionic acid | [CAS]
3374-22-9 | [Synonyms]
(+/-)-2-AMINO-3-MERCAPTOPROPIONIC ACID
2-AMINO-3-MERCAPTO-PROPIONIC ACID
DL-CYSTEIN
DL-CYSTEINE
H-DL-CYS-OH
(RS)-2-Amino-3-mercapto-propansαure
Cysteine, DL-
DL-2-amino-3-mercaptopropanoicacid
DL-2-amino-3-mercaptopropionicacid
dl-cysteina
L-HSCH2CH(NH2)COOH
DL-CYSTEINE FREE BASE
DL-2-Amino-3-mercaptopropionicacid~H-DL-Cys-OH
DL-Cysteine, S-Benzyl-1-13C
Cysteine (9CI)
Cysteine, DL-(8CI)
NSC 63864
H-DL-CYS-OH/CYSTEINE
rac-(R*)-2-Amino-3-mercaptopropanoic acid | [EINECS(EC#)]
222-160-2 | [Molecular Formula]
C3H7NO2S | [MDL Number]
MFCD00004881 | [Molecular Weight]
121.16 | [MOL File]
3374-22-9.mol |
| Chemical Properties | Back Directory | [Appearance]
white solid | [Melting point ]
225 °C (dec.) (lit.) | [Boiling point ]
293.9±35.0 °C(Predicted) | [density ]
1.197 (estimate) | [refractive index ]
1.5130 (estimate) | [storage temp. ]
Keep in dark place,Inert atmosphere,Room temperature | [solubility ]
Aqueous Acid (Sparingly), DMSO (Sightly), Water (Slightly) | [form ]
Powder | [pka]
2.07±0.10(Predicted) | [color ]
White to off-white | [Stability:]
Stable. Incompatible with strong oxidizing agents, | [Water Solubility ]
Soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone. | [BRN ]
1721406 | [LogP]
0.230 (est) | [CAS DataBase Reference]
3374-22-9(CAS DataBase Reference) | [NIST Chemistry Reference]
DL-Cysteine(3374-22-9) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn,Xi | [Risk Statements ]
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection . | [RIDADR ]
UN 2923 6.1(8) / PGIII | [WGK Germany ]
3
| [RTECS ]
HA1595000
| [F ]
8-10-23 | [HS Code ]
29309090 |
| Hazard Information | Back Directory | [Chemical Properties]
white solid | [Uses]
DL-Cysteine is a NMDA agonist at quisqualate receptors at high concentration. | [Uses]
DL-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.
| [Definition]
ChEBI: A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | [reaction suitability]
reaction type: solution phase peptide synthesis | [Biochem/physiol Actions]
NMDA agonist that is an agonist at quisqualate receptors at high concentration. |
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