Products 56-89-3

CAS 56-89-3 appears in our catalog under these names: Acetylcysteine Impurity A（EP）, Acetylcysteine EP Impurity A (L-Cystine), L-Cystine, >95% (HPLC), L-Cystine, L-Cystine/ 99.85% (existing batch purity). Offered by: Chemat Brand, TRC, Mikromol, LoGiCal, Dr. Ehrenstorfer. Available pack sizes: on request, 10g, 10mg, 25g, 100mg, 250mg, 1g, 500mg.

Acetylcysteine Impurity A（EP）
Chemat Brand
  • size: on request
  • Variants: 1
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Acetylcysteine EP Impurity A (L-Cystine)
Chemat Brand
  • size: on request
  • Variants: 1
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L-Cystine, >95% (HPLC)
TRC
  • size: 10g, 10mg, 25g
  • Variants: 3
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L-Cystine
Mikromol, LoGiCal, Dr. Ehrenstorfer
  • size: 100mg, 10mg, 250mg, 5kg
  • Variants: 14
from 320.00
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L-Cystine/ 99.85% (existing batch purity)
TargetMol
  • size: 1g, 500mg
  • Variants: 2
from 452.11
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(H–Cys–OH)2
GLPBio
  • size: 250g
  • Variants: 1
from 578.32
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(H-L-Cys-OH)2
Iris Biotech
  • size: 100g, 250g, 1kg
  • Variants: 3
from 762.08
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L-Cystine, 99%
Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros)
  • size: 1000g, 50g, 250g, 2.5KG
  • Variants: 6
from 195.10
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L-Cystine, Cell Culture Reagen
Thermo Scientific (Alfa Aesar)
  • size: 10g, 100g, 1kg
  • Variants: 3
from 156.86
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L-(-)-Cystine, >98.0%(HPLC)(N)
TCI
  • size: 25g, 500g
  • Variants: 2
from 103.59
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L-Cystine, specified according to the requirements of Ph.Eur.
Thermo Scientific (Acros)
  • size: 25g, 1KG, 100g
  • Variants: 3
from 176.40
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L-Cystine, non-animal origin, 0.00%
Chemat
  • size: 100g, 1kg, 250g, 500g
  • Variants: 4
from 296.46
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L-Cystine, 98.50%
Chemat
  • size: 100g, 1kg, 250g, 500g
  • Variants: 4
from 192.54
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L-Cystine 98%
Ambeed
  • size: 100g, 500g, 1000g
  • Variants: 3
from 214.62
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L-CYSTINE MEETS EP TESTING SPECIFICATIO&
Sigma-Aldrich
  • size: 100G, 10MG, 1KG, 25G
  • Variants: 4
from 206.00
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L-CYSTINE, >=98% (TLC), CRYSTALLINE
Sigma-Aldrich
  • size: 100G, 1KG, 500G
  • Variants: 3
from 633.00
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L-CYSTINE, PRODUCED BY WACKER CHEMIE AG&
Sigma-Aldrich
  • size: 100G, 1KG, 25KG
  • Variants: 3
from 305.00
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CYSTINE
Sigma-Aldrich
  • size: 1EA
  • Variants: 1
from 665.70
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L-CYSTINE, AJINOMOTO(R)&
Sigma-Aldrich
  • size: 10KG, 25KG
  • Variants: 2
from 19688.00
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L-Cystine, 97%, 97%
Chemat
  • size: 1kg, 10kg, 25kg, 50kg
  • Variants: 8
from 78.80
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L-Cystine, 99.84%
MedChemExpress
  • size: 500 mg, 5 g, 1 g
  • Variants: 3
from 361.49
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L-Cystine (Standard)
MedChemExpress
  • size: 25 mg, 100 mg, 10 mg, 50 mg
  • Variants: 4
from 240.74
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L-Cystine, min. 98,5 %, CELLPURE®, 25 g, plastic
Roth
  • size: 25g
  • Variants: 1
from 174.16
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L-Cystine, min. 98,5 %, CELLPURE®, 100 g, plastic
Roth
  • size: 100g
  • Variants: 1
from 452.60
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L-Cystine, min. 98,5 %, CELLPURE®, 500 g, plastic
Roth
  • size: 500g
  • Variants: 1
from 1864.25
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L-Cystine, min. 98,5 %, for biochemistry, 100 g, plastic
Roth
  • size: 100g
  • Variants: 1
from 417.68
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L-Cystine, min. 98,5 %, for biochemistry, 500 g, plastic
Roth
  • size: 500g
  • Variants: 1
from 1835.93
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(H-Cys-OH)2, 97%
Fluorochem
  • size: 1g, 25g, 100g, 250g
  • Variants: 6
from 102.07
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Cystine-d4
Chemat Brand
  • size: on request
  • Variants: 1
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L-cystine is the L-enantiomer of the sulfur-containing amino acid cystine. It has a role as an EC 1.2.1.11 (aspartate-semialdehyde dehydrogenase) inhibitor, a flour treatment agent, a mouse metabolite, a Saccharomyces cerevisiae metabolite and a human metabolite. It is a cystine, a non-proteinogenic L-alpha-amino acid and a L-cysteine derivative. It is a conjugate acid of a L-cystine anion. It is an enantiomer of a D-cystine. It is a tautomer of a L-cystine zwitterion.

Source: ChEBI

Identity
Molecular formulaC6H12N2O4S2
Molecular weight240.3 g/mol
IUPAC name(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
InChIKeyLEVWYRKDKASIDU-IMJSIDKUSA-N
SMILESC([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N

Computed by PubChem (NCBI)

Synonyms: L-cystine, cystine, L-Dicysteine, beta,beta'-Dithiodialanine, L-Cysteine disulfide, 1-Cystine, Cystine, L-, Dicysteine, Cystine (L)-, Cystine acid
Related forms of this compound
(2S)-2-amino-3-[[(2S)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid C6H12N2O4S2
(2S)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid C6H12N2O4S2
2-amino-3-[(2-amino-2-carboxyethyl)disulfanyl]propanoic acid C6H12N2O4S2
2-amino-3-[(2-amino-2-carboxy-1,1,2-trideuterioethyl)disulfanyl]-2,3,3-trideuteriopropanoic acid C6H12N2O4S2
(2R)-2-(15N)azanyl-3-[[(2R)-2-(15N)azanyl-2-hydroxycarbonyl(1,2-13C2)ethyl]disulfanyl](1,2,3-13C3)propanoic acid C6H12N2O4S2
Isomers (same molecular formula)
1,4-diazoniabicyclo[2.2.2]octane-1,4-disulfinate C6H12N2O4S2