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Merck
CN

05-7490

L-Cystine

SAJ special grade, ≥99.0%

Synonym(s):

(R,R)-3,3′-Dithiobis(2-aminopropionic acid)

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About This Item

Linear Formula:
[-SCH2CH(NH2)CO2H]2
CAS Number:
56-89-3
Molecular Weight:
240.30
EC Number:
200-296-3
UNSPSC Code:
12352209
PubChem Substance ID:
329748162
Beilstein/REAXYS Number:
1728094
MDL number:
MFCD00064228

Key Documents

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grade

SAJ special grade

assay

≥99.0%

availability

available only in Japan

mp

>240 °C (dec.) (lit.)

application(s)

peptide synthesis

SMILES string

N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O

InChI

1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1

InChI key

LEVWYRKDKASIDU-IMJSIDKUSA-N

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U7964
U5532
U0947
U9442
U7555

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Anne C Conibear et al.
The Journal of biological chemistry, 288(15), 10830-10840 (2013-02-23)
θ-Defensins are ribosomally synthesized cyclic peptides found in the leukocytes of some primate species and have promising applications as antimicrobial agents and scaffolds for peptide drugs. The cyclic cystine ladder motif, comprising a cyclic peptide backbone and three parallel disulfide
Jan Lewerenz et al.
Antioxidants & redox signaling, 18(5), 522-555 (2012-06-07)
The antiporter system x(c)(-) imports the amino acid cystine, the oxidized form of cysteine, into cells with a 1:1 counter-transport of glutamate. It is composed of a light chain, xCT, and a heavy chain, 4F2 heavy chain (4F2hc), and, thus
Maisie Lo et al.
Journal of cellular physiology, 215(3), 593-602 (2008-01-09)
The x(c) (-) cystine/glutamate antiporter is a major plasma membrane transporter for the cellular uptake of cystine in exchange for intracellular glutamate. Its main functions in the body are mediation of cellular cystine uptake for synthesis of glutathione essential for
Serge-George Rosolen et al.
Advances in experimental medicine and biology, 775, 145-154 (2013-02-09)
In the 70s, the amino acid taurine was found essential for photoreceptor survival. Recently, we found that taurine depletion can also trigger retinal ganglion cell degeneration both in vitro and in vivo. Therefore, evaluation of taurine levels could be a
Philip J Hogg
Nature reviews. Cancer, 13(6), 425-431 (2013-05-11)
Protein action in nature is generally controlled by the amount of protein produced and by chemical modification of the protein, and both are often perturbed in cancer. The amino acid side chains and the peptide and disulphide bonds that bind
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