D-Cysteine

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Names

[ CAS No. ]:
921-01-7

[ Name ]:
D-Cysteine

[Synonym ]:
(2S)-2-amino-3-mercaptopropanoic acid
S-cysteine
(D,L)-H-Cys-OH
D-Cystein
MFCD00066461
D-Amino-3-mercaptopropionic acid
(S)-2-amino-3-mercaptopropanoic acid
(2S)-2-amino-3-sulfanylpropanoic acid
EINECS 213-062-0
(S)-2-Amino-3-mercaptopropionic acid
Cysteine,D
2-amino-3-sulfopropionic acid
D-Zystein
Cysteine, D-
H-D-Cys-OH

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
293.9±35.0 °C at 760 mmHg

[ Melting Point ]:
230ºC

[ Molecular Formula ]:
C₃H₇NO₂S

[ Molecular Weight ]:
121.158

[ Flash Point ]:
131.5±25.9 °C

[ Exact Mass ]:
121.019745

[ PSA ]:
102.12000

[ LogP ]:
0.23

[ Vapour Pressure ]:
0.0±1.3 mmHg at 25°C

[ Index of Refraction ]:
1.550

[ Storage condition ]:
−20°C

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36/37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
29309013

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

2R-amino-3-benzylsulfanylpropionic acid
L-Cystine
2,3-Dibromopropionic acid
L-Cysteine, nitrite (ester) (9CI)
Water
D-Cysteine, S-[(2R)-2-amino-2-carboxyethyl]-
Hydrogen iodide
L-cysteine

DownStream

Dichloroacetonitrile
Cyanogen chloride
2-Methyl-thiazolidine-4-carboxylic acid
S-methyl-DL-cysteine
(4S)-4-CYCLOHEXYL-1-{[(RS)-2-METHYL-1-(PROPIONYLOXY)PROPOXY]-(4-PHENYLBUTYL)PHOSPHINYLACETYL}-L-PROLINESODIUMSALT
(4S)-4-BROMOMETHYL-2-PHENYL-1,3-DIOXANE
2-(6-Hydroxy-1,3-benzothiazol-2-yl)-4,5-dihydro-1,3-thiazole-4-ca rboxylic acid
L-Cystine
Thymine

Customs

[ HS Code ]: 29309013

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J. Pharm. Biomed. Anal. 100 , 58-63, (2014)

A liquid chromatography-atmospheric pressure chemical ionization-tandem mass spectrometric method (LC-APCI-MS/MS) has been developed for the sensitive determination of antitumor thioproline and methyl...