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重要文件

61819

Sigma-Aldrich

L-亮氨酸

≥99.5% (NT), suitable for NMR, BioUltra

同義詞:

(S)-2-氨基-4-甲基戊酸

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About This Item

線性公式:
(CH3)2CHCH2CH(NH2)CO2H
CAS號碼:
分子量::
131.17
Beilstein:
1721722
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-亮氨酸, BioUltra, ≥99.5% (NT)

產品線

BioUltra

品質等級

化驗

≥99.5% (NT)

形狀

powder or crystals

光學活性

[α]20/D +15.5±0.5°, c = 5% in 5 M HCl

技術

NMR: suitable

雜質

insoluble matter, passes filter test
≤0.3% foreign amino acids

燃燒殘留物

≤0.1%

損耗

≤0.1% loss on drying, 20 °C (HV)

顏色

white

mp

>300 °C (lit.)

溶解度

1 M HCl: 0.1 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤200 mg/kg
sulfate (SO42-): ≤100 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+: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

&lambda ;

0.1 M in 1 M HCl

紫外吸收

λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05

SMILES 字串

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

InChI

1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1

InChI 密鑰

ROHFNLRQFUQHCH-YFKPBYRVSA-N

尋找類似的產品? 前往 產品比較指南

其他說明

作为血清蛋白的等速电泳中的间隔物;满足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

Eyeshields, Gloves, type N95 (US)


分析證明 (COA)

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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.

Chromatograms

application for HPLC

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