化学名称: | L-酪氨酸 |
INCI名称: | 酪氨酸 |
英文名称: | TYROSINE |
CAS号: | 60-18-4 |
HS编码 | 2922509099 |
化学式: | C9H11NO3 |
分子量: | 181.19 |
中文别名: | L-酪氨酸; (S)-2-氨基-3-对羟; (2S,3R)-2-氨基-3-对羟苯基丙酸; L-β-对羟苯基-β-丙氨酸; L-(-)-酪氨酸; L-β-对羟苯基-α-氨基丙酸 |
英文别名: | L-tyrosine; msd803; Rovacor; LOVASTIN; Paschol; LOVALIP; Sivlor; MEVACOR; mevlor; L-Tyrosine; MEVINOLIN L- TYROSINE |
指 标 Specification | 标 准 Standard |
外观 Appearance | 白色或类白色结晶性粉末White or almost white crystalline powder |
溶液外观 Appearance of the Solution | 透明无色至浅黄色Transparent colorless to light yellow |
比旋度 Specification Rotation | -9.8°~-11.2° |
pH值 pH value | 5.0~6.5 |
干燥失重 Loss on Drying | ≤0.3% |
灼烧残渣 Residue on Ignition | ≤0.4% |
氯化物Chloride | ≤0.04% |
硫酸盐sulfate | ≤0.04% |
重金属(铅) Heavy metal(Lead) | ≤10 ppm |
铁盐 Ironic Salt | ≤10 ppm |
透光率Light transmittance | ≥95.0%(430nm) |
含量 Assay(drying basis) | 98.5~101.5% |
微生物检测 Microbial Test | |
总菌数 Total Aerobic | ≤1000cfu/g |
霉菌和酵母 Yeast & Mold | ≤100cfu/g |
大肠杆菌 E.coli | Negative |
沙门氏菌 Salmonella | Negative |
Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request. |