D-Cystathionine

Base Information

• Chemical Name: D-Cystathionine
• CAS No.: 2998-83-6
• Molecular Formula: C7H14N2O4S
• Molecular Weight: 222.265
• Mol file: 2998-83-6.mol

Synonyms:Cystathionine; D-;S-[(2S)-2-Amino-2-carboxyethyl]-L-homocysteine;

Chemical Property of D-Cystathionine

Chemical Property:

• Appearance/Colour: White Solid
• Vapor Pressure: 1.42E-10mmHg at 25°C
• Melting Point: >260°C (dec.)
• Refractive Index: 1.592
• Boiling Point: 481 °C at 760 mmHg
• Flash Point: 244.7 °C
• PSA: 151.94000
• Density: 1.43 g/cm³
• LogP: 0.33410
• Storage Temp.: -20°C Freezer
• Solubility.: Aqueous Acid (Slightly), Aqueous Base (Slightly)

Purity/Quality:

98%Min ^*data from raw suppliers

D-Allocystathionine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of D-Cystathionine

There total 4 articles about D-Cystathionine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

N-acetylcystein (616-91-1,7696-05-1) + 3-cyano-3-hydroxy-1-propene (5809-59-6) + sodium cyanide (143-33-9,25596-52-5) → L-cystathionine (56-88-2) + (2R,2'R)-2-amino-4-(2'-amino-2'-carboxyethylsulfanyl)butanoic acid (2998-83-6)

Guidance literature:

Multistep reaction; (i), (ii) /BRN= 3587243/, NH₄Cl, aq. NH₃, (iii) aq. HCl;

Reference yield:

3-chloro-DL-alanine methyl ester (56410-68-5) + 2-amino-4-mercaptobutyric acid (454-29-5) → DL,DL-cystathionine (56-88-2,535-34-2,2867-15-4,2998-83-6,6899-07-6,30651-43-5,61949-06-2)

Guidance literature:

With potassium hydroxide; at 60 ℃; es bilden sich die beiden Diastereoisomeren;

Reference yield:

→ DL,DL-cystathionine (56-88-2,535-34-2,2867-15-4,2998-83-6,6899-07-6,30651-43-5,61949-06-2)

Guidance literature:

With hydrogenchloride; es bilden sich die beiden Diastereoisomeren;

upstream raw materials:

N-acetylcystein

3-cyano-3-hydroxy-1-propene

sodium cyanide

3-chloro-DL-alanine methyl ester

Downstream raw materials:

D-cysteine