L-Valine CAS No:72-18-4 High Quality Prompt Delivery Free Sample Production Information Product name: L-Valine English name: L-Valine;L - 2 - amino - 3 - methyl butyric acid CAS No: 72-18-4 Chemical formula: C6H11NO2 Molecular weight: 117.15 Appearance and properties: White monoclinic crystalline powder, recrystallized from aqueous ethanol as colorless plates or scaly crystals. Odorless with special bitterness. The melting point of about 315 ° C. 5% aqueous solution pH of 5.0 to 7.0. Stable in the heat, light and air condition. (8.85g/100ml, 25 ° C) soluble in water, almost insoluble in ethanol and ether. 　Assay: 98.5~101.5% PH: 5.5~7.0 Specific rotation: +26.6~+28.8 Chloride: ≤0.05% Sulfate: ≤0.03% Iron: ≤30ppm Loss on drying: ≤0.3% Residue on ignition: ≤0.1% Heavy metals: ≤15ppm Our Advantages: I). We have abundant professional production experience. II). We have our own chemical factory. III). Sample is free of charge. IV). Reasonable Price, Excellent Quality & Attentive Service V). Prompt reply: we can reply your inquiry and email within 24 hours. VI). Fast Delivery: The delivery time is about 10-20 days after receiving the deposit. VII). We have passed the LFGB, SGS, STC, HSL and some other tests. VIII). We have a unity cooperation team.