94619

L -缬氨酸

≥99.5% (NT), BioUltra

• 别名: (S)-α-缬氨酸, L-2-氨基-3-二甲基丁酸
• 线性分子式: (CH₃)₂CHCH(NH₂)CO₂H
• CAS号: 72-18-4
• 分子量: 117.15
• Beilstein: 1721136
• EC號碼: 200-773-6
• MDL號碼: MFCD00064220
• 分類程式碼代碼: 12352209
• eCl@ss: 32160406
• PubChem物質ID: 57653624
• NACRES: NA.26

属性

• product name: L -缬氨酸, BioUltra, ≥99.5% (NT)
• 產品線: BioUltra
• 品質等級: 200
• 化驗: ≥99.5% (NT)
• 形狀: powder or crystals
• 光學活性: [α]20/D +27.0±0.5°, c = 5% in 5 M HCl
• 雜質: insoluble matter, passes filter test; ≤0.3% foreign amino acids
• 燃燒殘留物: ≤0.05%
• 損耗: ≤0.05% loss on drying, 20 °C (HV)
• 顏色: white
• mp: 295-300 °C (subl.) (lit.)
• 溶解度: 1 M HCl: 0.5 M at 20 °C, clear, colorless
• 負離子痕跡: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 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: ≤50 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⁺: ≤150 mg/kg; Na: ≤100 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• &lambda ；: 0.5 M in 1 M HCl
• 紫外吸收: λ: 260 nm A_max: 0.15; λ: 280 nm A_max: 0.1
• SMILES 字串: CC(C)[C@H](N)C(O)=O
• InChI: 1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1
• InChI 密鑰: KZSNJWFQEVHDMF-BYPYZUCNSA-N

说明

應用

• Metabolomics reveals metabolites associated with hair follicle cycle in cashmere goats.: This study utilizes L-Valine as a standard for detecting, understanding, and enhancing hair follicle cycles in cashmere goats through metabolomic analysis, aiding in the improvement of fiber production and quality (Ma et al., 2024).

其他說明

可保护酶免于热失活；作为血清蛋白等速电泳中的间隔子；各种微生物的生长需求

安全信息

• 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)