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Merck
CN

30200

L -胱氨酸

≥99.7% (TLC)

别名:

(R,R)-3,3′-亚二硫基二(2-丙氨酸)

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关于此项目

线性分子式:
[-SCH2CH(NH2)CO2H]2
化学文摘社编号:
分子量:
240.30
NACRES:
NA.26
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
200-296-3
MDL number:
Beilstein/REAXYS Number:
1728094
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产品名称

L -胱氨酸, ≥99.7% (TLC)

InChI key

LEVWYRKDKASIDU-IMJSIDKUSA-N

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

SMILES string

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

assay

≥99.7% (TLC)

form

powder or crystals

optical activity

[α]20/D −219±5°, c = 1% in 1 M HCl

ign. residue

≤0.1% (as SO4)

loss

≤0.1% loss on drying

color

white

mp

>240 °C (dec.) (lit.)

solubility

1 M HCl: 0.5 g/10 mL, clear, colorless

anion traces

chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤6 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤150 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

application(s)

peptide synthesis

Quality Level

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Application

L-胱氨酸已被用于制备原液,该原液又通过光谱荧光流动注射法用于测定药物制剂以及尿液样品中的L-半胱氨酸和L-胱氨酸。

Biochem/physiol Actions

胱氨酸是合成保护细胞免受氧化应激的谷胱甘肽所必需的。一种特殊的 x (c)-半胱氨酸/谷氨酸反向转运蛋白可介导细胞摄取半胱氨酸以交换谷氨酸。半胱氨酸摄取抑制诱导神经元细胞毒性。

Other Notes

用于 N,N′-二苯甲酰基-L-胱氨酸的制备,酮不对称还原的高效辅助剂

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Journal of the Chemical Society. Chemical Communications, 413-413 (1984)
Journal of the Chemical Society. Chemical Communications, 801-801 (1987)
T H Murphy et al.
Neuron, 2(6), 1547-1558 (1989-06-01)
Glutamate binds to both excitatory neurotransmitter binding sites and a Cl(-)-dependent, quisqualate- and cystine-inhibited transport site on brain neurons. The neuroblastoma-primary retina hybrid cells (N18-RE-105) are susceptible to glutamate-induced cytotoxicity. The Cl(-)-dependent transport site to which glutamate and quisqualate (but
T Pérez-Ruiz et al.
The Analyst, 117(6), 1025-1028 (1992-06-01)
A flow injection configuration is proposed for the determination of L-cysteine and L-cystine individually and for mixtures of both analytes. The procedure is based on the rapid oxidation of L-cysteine by thallium(III) with concomitant formation of fluorescent thallium(I). The inclusion
Ojore Benedict Valentine Oka et al.
Molecular cell, 50(6), 793-804 (2013-06-19)
ERdj5 is a member of the protein disulfide isomerase family of proteins localized to the endoplasmic reticulum (ER) of mammalian cells. To date, only a limited number of substrates for ERdj5 are known. Here we identify a number of endogenous

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