DL-Cystine

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Names

[ CAS No. ]:
923-32-0

[ Name ]:
DL-Cystine

[Synonym ]:
dicysteine
Acide 3,3'-disulfanediylbis(2-aminopropanoïque)
cystine
DL-Cysteine-15N
DL-Cystine
3,3'-Disulfanediylbis(2-aminopropansäure)
DL-CYSTINE CRYSTALLINE
2-amino-3-(2-amino-2-carboxy-ethyl)disulfanyl-propanoic acid
meso-Cystine
EINECS 213-094-5
2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid
BIS(β-AMINO-β-CARBOXYETHYL) DISULFIDE
MFCD00084652
DL-CYSTINE,MESOFREE
CYSTINE (DL AND MESO-MIXTURE)
Bis(b-amino-β-carboxyethyl) disulfide
Gelucystine

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
468.2±45.0 °C at 760 mmHg

[ Melting Point ]:
227 °C (dec.)(lit.)

[ Molecular Formula ]:
C₆H₁₂N₂O₄S₂

[ Molecular Weight ]:
240.301

[ Flash Point ]:
237.0±28.7 °C

[ Exact Mass ]:
240.023849

[ PSA ]:
177.24000

[ LogP ]:
1.23

[ Vapour Pressure ]:
0.0±2.5 mmHg at 25°C

[ Index of Refraction ]:
1.653

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xn,Xi

[ Risk Phrases ]:
36/37/38-22

[ Safety Phrases ]:
S37/39-S26-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
29309014

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Articles

The short- and long-term effects of orally administered high-dose reduced graphene oxide nanosheets on mouse behaviors.

Biomaterials 68 , 100-13, (2015)

Reduced graphene oxide (rGO), a carbon-based nanomaterial, has enormous potential in biomedical research, including in vivo cancer therapeutics. Concerns over the toxicity remain outstanding and must ...

A colorimetric sensor array for detection and discrimination of biothiols based on aggregation of gold nanoparticles.

Anal. Chim. Acta 882 , 58-67, (2015)

Developments of sensitive, rapid, and cheap systems for identification of a wide range of biomolecules have been recognized as a critical need in the biology field. Here, we introduce a simple colorim...

Amino acid analysis using chromatography-mass spectrometry: An inter platform comparison study.

J. Pharm. Biomed. Anal. 114 , 398-407, (2015)

The analysis of amino acids has become a central task in many aspects. While amino acid analysis has traditionally mainly been carried out using either gas chromatography (GC) in combination with flam...