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Key Documents

93829

Sigma-Aldrich

L-酪氨酸

≥99.0% (NT), suitable for ligand binding assays, BioUltra

同義詞:

(S)-2-氨基-3-(4-羟苯基)丙酸, 3-(4-羟苯基)-L-丙氨酸

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About This Item

線性公式:
4-(HO)C6H4CH2CH(NH2)CO2H
CAS號碼:
分子量::
181.19
Beilstein:
392441
EC號碼:
MDL號碼:
分類程式碼代碼:
12352209
eCl@ss:
32160406
PubChem物質ID:
NACRES:
NA.26

product name

L-酪氨酸, BioUltra, ≥99.0% (NT)

產品線

BioUltra

品質等級

化驗

≥99.0% (NT)

形狀

powder or crystals

光學活性

[α]20/D −11.5±1.0°, c = 4% in 1 M HCl

技術

ligand binding assay: suitable

雜質

insoluble matter, passes filter test
≤0.5% foreign amino acids

燃燒殘留物

≤0.1%

損耗

≤0.2% loss on drying, 20 °C (HV)

顏色

white

mp

>300 °C (dec.) (lit.)

溶解度

1 M HCl: 25 mg/mL, clear, colorless (hot)

負離子痕跡

chloride (Cl-): ≤400 mg/kg
sulfate (SO42-): ≤300 mg/kg

正離子痕跡

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
NH4+: ≤200 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

吸收

cut-off at 310 nm in 1 M HCl at 0.5 M

SMILES 字串

N[C@@H](Cc1ccc(O)cc1)C(O)=O

InChI

1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1

InChI 密鑰

OUYCCCASQSFEME-QMMMGPOBSA-N

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應用

L-酪氨酸用于酪氨酸羟化酶(TH)酶活性测定。它还用作霍乱弧菌菌株生长培养基中酪氨酸酶的底物,以刺激黑色素形成。它可以用作(-)-MY 336a 合成的前体。MY 336a,β-肾上腺素能受体拮抗剂,最早是从 加蓬链霉菌 KY2234(ATCC 15282)的培养液中分离的。它可用于合成 3-溴-L-酪氨酸和 3,5-二溴-L-酪氨酸。

其他說明

多巴胺和其他儿茶酚胺的氨基酸前体
各种微生物的生长要求

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


分析證明 (COA)

輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號,寫有 ‘Lot’或‘Batch’.。

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V E Coyne et al.
Applied and environmental microbiology, 58(9), 2861-2865 (1992-09-01)
Vibrio cholerae synthesized the pigment melanin in response to specific physiological conditions that were stressful to the bacterium. Pigmentation was induced when V. cholerae was subjected to hyperosmotic stress in conjunction with elevated growth temperatures (above 30 degrees C). The
CRC Handbook of Microbiology, 4, 1-1 (1974)
Robert S Phillips et al.
Amino acids, 44(2), 529-532 (2012-07-28)
L-Tyrosine is converted to 3-bromo-L-tyrosine in good yield by reaction with 1.2 equiv. of DMSO in HBr/AcOH, while reaction with 2.2 equiv. of DMSO under comparable conditions results in formation of 3,5-dibromo-L-tyrosine in good yield. This is the simplest, safest
Andisheh Eslamboli et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 25(4), 769-777 (2005-01-28)
The therapeutic potential of glial cell line-derived neurotrophic factor (GDNF) for Parkinson's disease is likely to depend on sustained delivery of the appropriate amount to the target areas. Recombinant adeno-associated viral vectors (rAAVs) expressing GDNF may be a suitable delivery
Total Synthesis of (-)-MY 336a from L-Tyrosine.
Liao XW, et al.
Journal of Heterocyclic Chemistry, 47(1), 50-53 (2010)

文章

Inborn errors of metabolism are caused by changes in specific enzymatic reactions and hundreds of different such alterations, which affect about 1 of every 5000 newborns, have been characterized.

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