L,L-homocystine

Base Information

Chemical Name:L,L-homocystine
CAS No.:870-93-9
Molecular Formula:C₈H₁₆N₂O₄S₂
Molecular Weight:268.358
Hs Code.:2930909090
Wikidata:Q102047821
Mol file:870-93-9.mol

Synonyms:L,L-homocystine;L-homocystine zwitterion;L,L-homocystine zwitterion;CHEBI:140613

Suppliers and Price of L,L-homocystine

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Usbiological
DL-Homocystine
25g
$ 388.00

TRC
DL-Homocystine
25g
$ 110.00

TCI Chemical
DL-Homocystine >98.0%(T)
25g
$ 102.00

Sigma-Aldrich
DL-Homocystine
100g
$ 455.00

Sigma-Aldrich
DL-Homocystine
10g
$ 77.90

Sigma-Aldrich
DL-Homocystine
25g
$ 152.00

Crysdot
DL-Homocystine 95+%
100g
$ 114.00

ChemScene
DL-Homocystine ≥97.0%
500mg
$ 50.00

ChemScene
DL-Homocystine ≥97.0%
5g
$ 60.00

Chemenu
DL-Homocystine 95%
500g
$ 355.00

Total 73 raw suppliers

Chemical Property of L,L-homocystine

Chemical Property:

Appearance/Colour:white to slightly beige solid
Melting Point:≥300 °C
Refractive Index:1.6300 (estimate)
Boiling Point:507.6 °C at 760 mmHg
PKA:1.90±0.10(Predicted)
Flash Point:260.8 °C
PSA：177.24000
Density:1.443 g/cm³
LogP:1.37240
Storage Temp.:Keep in dark place,Inert atmosphere,Room temperature
Water Solubility.:0.2g/L(25 oC)
XLogP3:-4.3
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:7
Exact Mass:268.05514934
Heavy Atom Count:16
Complexity:205

Purity/Quality:

98%min ^*data from raw suppliers

DL-Homocystine ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C(CSSCCC(C(=O)[O-])[NH3+])C(C(=O)[O-])[NH3+]
Isomeric SMILES:C(CSSCC[C@@H](C(=O)[O-])[NH3+])[C@@H](C(=O)[O-])[NH3+]

Technology Process of L,L-homocystine

There total 7 articles about L,L-homocystine 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: 95.7%

: 6027-13-0
L-homocysteine

: 626-72-2,870-93-9,6027-15-2,7093-69-8,462-10-2
L-homocystine

Guidance literature:: With dihydrogen peroxide; for 8h;
DOI:10.1246/bcsj.66.536

Reference yield: 43.0%

: 63-68-3,26062-47-5,58576-49-1
L-methionine

: 626-72-2,870-93-9,6027-15-2,7093-69-8,462-10-2
L-homocystine

Guidance literature:: L-methionine; With ammonia; lithium; at -78 ℃; for 1.5h;

With dihydrogen peroxide; In water; Cooling with ice;

Reference yield:

: 7689-60-3,3054-02-2
S-benzyl-L-homocysteine

: 626-72-2,870-93-9,6027-15-2,7093-69-8,462-10-2
L-homocystine

Guidance literature:: With ammonia; sodium; Einwirkung von Luft das gebildete Natriumsalz des L-Homocysteins in wss.Loesung unter Zusatz von FeCl₃;