DL-Leucine DL-亮氨酸

CAS 328-39-2 MFCD00063087

化学结构图

328-39-2
SMILES: CC(C)CC(N)C(=O)O

化学属性

Mol. FormulaC6H13NO2
Mol. Weight131.17
Melting Point293-296°C
Density1.293
TSCAYes
Solubility可溶
Appearance 细白色晶体或结晶性粉末。无臭,略有甜味。约于290℃熔化并分解。10%溶液的pH值为5.5~7.0。
Boiling Point225.8±23.0 °C at 760 mmHg

别名和识别编码

Chemical NameDL-Leucine
CAS Number328-39-2
Alfabeta NameLEUCINE DL-
MDL NumberMFCD00063087
Synonym (±)-Leucine {LY} (±)-Leucine {} {LY} (±)-Leucine {} {} {LY} (±)-Leucine {} {} {} {LY} (±)-Leucine {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} (±)-Leucine {} {} {} {} {} {} {} {} {} {}
Beilstein Registry Number636005
PubChem Substance ID87571997
EC Number206-328-2
Reaxys-RN636005
Merck Number14,5451
Chemical Name TranslationDL-亮氨酸
LabNetwork Molecule IDLN00173596
InChIInChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)
Canonical SMILESNC(CC(C)C)C(O)=O
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分类

  • {uni_hamburg} no charge; carboxylic acid; racemate; 1fragment
  • {SNA} Amino Acid Derivatives, Amino Acids, Chemical Biology, Chemical Synthesis, Leucine, Peptide Chemistry, 生化试剂
  • {SNA} Amino Acid Derivatives, Chemical Biology, Chemical Synthesis, Leucine, Peptide Chemistry
  • {SA} Amino Acid Derivatives, Amino Acids, Biochemicals and Reagents, Chemical Biology, Chemical Synthesis, Leucine, Peptide Chemistry
  • {SNA} Amino Acids, Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Leucine, Peptide Chemistry, 生化试剂

产品应用

  • 生化研究。

相关文献及参考

  • Beilstein:4,447
  • Short: II/27B
  • Short: III/35E
  • [1]. Hendricks DE, et, al. Attractiveness of tobacco budworm females altered by oral chemosterilants and dietary additives. Journal of Chemical Ecology. 1977 Mar; 127-131.

安全信息

Warnings IRRITANT
WGK Germany3
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Signal word Warning
GHS Symbol
Safety Statements
  • S22 Do not breathe dust 不要吸入粉尘;
  • S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P305+P351+P338
Storage condition Store at room temperature {LY} Store at room temperature {} {LY} Store at room temperature {} {} {LY} Store at room temperature {} {} {} {LY} Store at room temperature {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at r

其他信息

  • 图谱信息:DL-白氨酸(328-39-2)Raman光谱 DL-白氨酸(328-39-2)质谱(MS) DL-白氨酸(328-39-2)红外图谱(IR2) DL-白氨酸(328-39-2)红外图谱(IR1)
  • 毒性:LD 50 6429mg/kg(大鼠,皮下)。
  • 方法一:以异丁基腈乙酸为原料,在硫酸存在下水解得酰胺,经结晶、洗涤后用次溴酸钠处理,除去二氧化碳得粗品,重结晶后得纯品。
  • 味甜。能升华。水中溶解度(g/L):0℃时为7.97,25℃时为9.91,50℃时为14.06,75℃时为22.76,100℃时为42.06。90%乙醇中溶解度(g/L):1.3。不溶于乙醚。
  • Acros Organics:DL-亮氨酸 DL-Leucine, 99+%(328-39-2)
  • MSDS 信息:DL-2-Amino-4-methylpentanoic acid(328-39-2).msds
  • 鉴别试验:取0.1%试样液5m!,加lml水合茚三酮试液(TS-250),应出现红紫色或蓝紫色。
  • 所属类别一:食品添加剂: 营养强化剂(营养增补: 氨基酸
  • MOL 文件:328-39-2.mol
  • DL-白氨酸价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 62016132 DL-白氨酸 5g 23.6元 2011/08/23 62016161 DL-白氨酸 5g 23.6元 2011/04/16 L0028 DL-亮氨酸 DL-Leucine 500G 2880元
  • 含量分析:精确称取试样约400mg,溶于3ml甲酸和50ml冰醋酸。加2滴结晶紫试液(TS-74)后,用0.1mol/L高氯酸滴定至首次呈现纯绿色或至蓝色完全消失。每Ml 0.1mol/I.高氯酸相当于DL-亮氨酸(C6H13NO2)13.12mg。
  • Sigma Aldrich:328-39-2(sigmaaldrich)
  • 所属类别二:生物化学品: 生化试剂: 氨基酸及其衍生物
  • 用途二:用于生化研究。
  • 方法三:将2-溴-4-甲基戊酸和浓氨水混合,在室温放置7d,过滤得到的粗品经脱色精制而得成品。收率43-45%。
  • 方法二:由异丁基腈乙酸与浓硫酸反应后再经溴处理等反应而得。
  • 用途一:医药上用作营养剂,也用于生物化学研究等
  • 海关编码:29224995
  • 参考质量标准二:含量不少于98.5%;氯化物(以Cl计)小于0.01%;纸层析合格。
  • TCI Shanghai:DL-亮氨酸 DL-Leucine,>;98.0%(T)(328-39-2)
  • 用途三:用于生化研究,营养增补剂。
  • 参考质量标准一:FCC,1996 含量(以干基计) 98.5%~101.5% 重金属(以Pb计,GT-16-2) ≤0.002% 铅(GT-18) ≤10mg/kg 干燥失重(105℃,3h) ≤0.3% 灼烧残渣(GT-27) ≤0.1
  • Alfa Aesar:DL-亮氨酸,99% DL-Leucine, 99%(328-39-2)
  • 下游产品:D-2-氨基-4-甲基戊酸
  • 上游原料:二氧化碳 --> 浓硫酸 --> 次溴酸钠

系列性分类


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