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W326305

Sigma-Aldrich

L-半胱氨酸

≥97%, FG

别名:

(R)-2-氨基-3-巯基丙酸

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About This Item

线性分子式:
HSCH2CH(NH2)CO2H
CAS号:
52-90-4
分子量:
121.16
FEMA號碼:
3263
Beilstein:
1721408
EC號碼:
200-158-2
MDL號碼:
MFCD00064306
分類程式碼代碼:
12164502
eCl@ss:
32160406
PubChem物質ID:
24901592
Flavis號碼:
17.033
NACRES:
NA.21

等級

FG
Halal

法律遵循

EU Regulation 1334/2008 & 872/2012
FDA 21 CFR 172.320
FDA 21 CFR 184.1271

化驗

≥97%

光學活性

[α]26/D +8.0 to +9.5°, c = 2 in 5 M HCl

mp

240 °C (dec.) (lit.)

溶解度

H2O: 25 mg/mL

應用

flavors and fragrances

文件

see Safety & Documentation for available documents

感官的

sulfurous

SMILES 字串

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

InChI

1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1

InChI 密鑰

XUJNEKJLAYXESH-REOHCLBHSA-N

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一般說明

L-半胱氨酸是一种含硫氨基酸。它可以与还原糖进行美拉德反应，生成挥发性肉味化合物。

生化／生理作用

NMDA 谷氨酸受体激动剂。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類（WGK）

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

分析证书(COA)

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Volatile compounds produced by the reaction of L-cysteine or L-cystine with carbonyl compounds.
Kato S, et al.
Agricultural and Biological Chemistry, 37(3), 539-544 (1973)
Antioxidant effects of sulfur-containing amino acids
Atmaca G
Yonsei Medical Journal, 45, 776-788 (2004)
Nicholas Kwiatkowski et al.
Nature, 511(7511), 616-620 (2014-07-22)
Tumour oncogenes include transcription factors that co-opt the general transcriptional machinery to sustain the oncogenic state, but direct pharmacological inhibition of transcription factors has so far proven difficult. However, the transcriptional machinery contains various enzymatic cofactors that can be targeted
Eun Young Park et al.
Journal of agricultural and food chemistry, 62(26), 6183-6189 (2014-06-01)
The present study examined the impact of the supplementation of glutathione (GSH), γ-L-glutamyl-L-cysteinyl-glycine, on human blood GSH levels. Healthy human volunteers were orally supplemented with GSH (50 mg/kg body weight). Venous blood was collected from the cubital vein before and
Takeshi Annoura et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 28(5), 2158-2170 (2014-02-11)
The 10 Plasmodium 6-Cys proteins have critical roles throughout parasite development and are targets for antimalaria vaccination strategies. We analyzed the conserved 6-cysteine domain of this family and show that only the last 4 positionally conserved cysteine residues are diagnostic
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商品

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

实验方案

GC Analysis of Amino Acids (as TBDMS Derivatives) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 μm), Fast GC Analysis

Separation of L-Alanine; Glycine; L-Valine; L-Leucine; L-Isoleucine; L-Proline; L-Methionine; L-Serine; L-Threonine; L-Phenylalanine; L-Aspartic acid; L-4-Hydroxyproline; L-Cysteine; L-Glutamic acid; L-Asparagine; L-Lysine; L-Glutamine; L-Histidine; L-Tyrosine; L-Tryptophan; L-Cystine

Chromatograms

application for HPLC

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