| B445 | 生化试剂L-Leucine(L-亮氨酸) | 10g | 100 | Sigma分装 |
| B446 | 生化试剂L-Leucine(L-亮氨酸) | 25g/100g/250g/500g | 50/170/360/580 | 国产 |
| B447 | 生化试剂L-Lysine(L-赖氨酸) | 25g/100g/250g/500g | 60/180/400/650 | 国产 |
| B448 | 生化试剂L-LysineHCl(L-赖氨酸盐酸盐) | 100g/250g/Sigma25g | 70/140/80 | 国产 |
| B449 | 生化试剂L-Malicacid(L-苹果酸) | 10g/25g/100g/500g原装 | 150/260/800/3700 | Sigma M1000 |
| B450 | 生化试剂L-Methionine(L-甲硫氨酸(蛋氨酸)) | 25g/100g/250g/Sigma5g | 90/190/380/50 | 国产 |
| B451 | 生化试剂LoadingBuffer | 1ml/5ml | 50/120 | 国产 |
| B452 | 生化试剂Locustbeangum(槐豆胶) | 25g/100g/500g原装 | 110/280/1250 | Sigma G0753 |
| B453 | 生化试剂L-OrnithineHCl(L-鸟氨酸盐酸盐) | 10g/25g/50g/100g | 100/150/290/510 | 国产 |
| B454 | 生化试剂L-Phenylalanine(L-苯丙氨酸) | 25g/100g/250g/500g | 80/170/340/560 | 国产 |
| B455 | 生化试剂L-Proline(L-脯氨酸) | 25g/100g/250g/500g | 90/260/630/850 | 国产 |
| B456 | 生化试剂LPS(脂多糖、内毒素) | 10mg/100mg | 350/2800 | Sigma分装 |
| B457 | 生化试剂L-Serine(L-丝氨酸) | 25g/100g/250g/500g | 140/360/880/1450 | 国产 |
| B458 | 生化试剂L-Threonine(L-苏氨酸) | 5g | 110 | Sigma分装 |
| B459 | 生化试剂L-Threonine(L-苏氨酸) | 25g/100g/250g/500g/1kg | 80/160/290/480/750 | 国产 |
| B460 | 生化试剂L-Thyroxine(L-甲状腺素) | 100mg/1g原装 | 210/1730 | Sigma T2501 |
| B461 | 生化试剂L-Tryptophan（L-色氨酸） | 5g | 230 | Sigma T0254 |
| B462 | 生化试剂L-Tryptophan（L-色氨酸） | 25g/100g/250g/500g | 140/360/880/1450 | 国产 |
| B463 | 生化试剂L-Tyrosine(L-酪氨酸) | 25g/100g/250g/500g/1kg | 60/130/300/480/750 | 国产 |
| B464 | 生化试剂L-Valine(L-缬氨酸) | 25g /100g/250g/500g | 100/260/570/890 | 国产 |
| B465 | 生化试剂Lysozyme(EggWhite)(溶菌酶) | 1g/5g/10g/100g原装 | 130/590/1080/9000 | Amresco 0663 |
| B466 | 生化试剂L-α-Lysolecithin(溶血卵磷脂) | 25mg原装 | 620 | Sigma L4129 |
| B467 | 生化试剂L-α-Phosphatidylethanolamine,Distearoyl(磷脂酰乙醇胺) | 25mg/100mg/500mg原装 | 370/1240/4250 | Sigma P3531 |
| B453 | 生化试剂MacConkeyAgar(麦康凯琼脂) | 500g原装 | 830 | BD 212123 |
| B454 | 生化试剂MacConkeyAgar(麦康凯琼脂) | 250g/1kg/5kg | 140/500/2300 | 国产 |
| B455 | 生化试剂MacerozymeR-10(离析酶R-10) | 1g/5g/10g/100g原装 | 160/650/1050/6600 | Yakult.JAPAN |
| B456 | 生化试剂Magenta-CaprylateMagenta(锌酸钠) | 10mg原装/100mg原装 | 250/1680 | INALCO1758-0850 |
