| B741 | 生化试剂VitaminB1(ThiamineHCl)(维生素B1（硫胺素）) | 10g/1kg原装 | 90/4390 | Sigma T4625 |
| B743 | 生化试剂VitaminB12(维生素B12) | 1g/5g | 200/850 | 国产 |
| B744 | 生化试剂VitaminB2(Riboflavin)(维生素B2(核黄素)) | 10g/50g/250g/1kg | 40/100/450/880 | 国产 |
| B745 | 生化试剂VitaminB5(（泛酸钙）维生素B5) | 10g/25g/100g/500g原装 | 100/190/510/2130 | Sigma P2250 |
| B746 | 生化试剂VitaminB6(维生素B6) | 5g/25g/100g原装 | 100/390/1300 | Sigma P9755 |
| B748 | 生化试剂VitaminC(维生素C(抗坏血酸)) | 25g/100g/500g/1kg | 90/260/660/1100 | Sigma A7506 |
| B749 | 生化试剂VitaminCSodium(维生素C钠（抗坏血酸钠）) | 25g/100g/1kg原装 | 90/240/1970 | Sigma A7631 |
| B750 | 生化试剂VitaminD2(Ergocalciferol)(骨化醇) | 1g原装/5g原装 | 700/2210 | Sigma E5750 |
| B751 | 生化试剂VitaminD3(Cholecalciferol)(胆钙化醇) | 250mg/1g/5g原装 | 130/440/1980 | Sigma C9756 |
| B752 | 生化试剂VitaminE（Tocopherol）(维生素E(生育酚)) | 25g/100g/500g原装 | 240/760/3160 | Aldrich 258024 |
| B753 | 生化试剂VitaminK3(Menadione)(甲萘醌) | 25g原装/100g原装 | 510/1700 | Sigma M5625 |
| B760 | 生化试剂X-a-gluc | 10mg原装/100mg原装 | 250/1680 | INALCO1758-0475 |
| B761 | 生化试剂Xanthine(黄嘌呤) | 1g/10g/100g原装 | 80/480/3300 | Sigma X-7375 |
| B762 | 生化试剂Xanthioneoxoidase(黄嘌呤氧化酶) | 5u原装/25u原装/50u原装 | 610/1650/2270 | Sigma X1875 |
| B763 | 生化试剂X-Gal(5-溴-4-氯-3-吲哚-b-D-半乳糖苷) | 100mg | 70 | Amresco分装 |
| B764 | 生化试剂X-Galactosaminide | 10mg原装/100mg原装 | 250/1680 | INALCO1758-0125 |
| B765 | 生化试剂X-gluc(5-Bromo-4-Chloro-3-Indolyl-β-D-Glucuronicacid) | 10mg/100mg原装/500mg | 180/980/2900 | INALCO1758-0600 |
| B766 | 生化试剂X-GlucNa | 10mg原装/100mg原装 | 250/1680 | INALCO1758-0700 |
| B767 | 生化试剂X-Glucosaminide | 10mg/100mg原装 | 250/950 | INALCO1758-0150 |
| B768 | 生化试剂X-Glucoside(5-溴-4-氯-3-吲哚基-beta-D-吡喃葡糖苷) | 25mg原装/100mg原装 | 250/900 | INALCO1758-0500 |
| B769 | 生化试剂Xylan(木聚糖) | 5g/10g/25g/100g原装 | 220/360/790/2780 | Sigma分装 |
| B770 | 生化试剂XyleneCyanolFF(二甲苯蓝,二甲苯青) | 1g/5g/10g | 80/130/390 | Amresco分装 |
| B771 | 生化试剂Xylitol(木糖醇) | 100g/1kg/5kg | 70/500/2350 | 国产 |
| B772 | 生化试剂X-α-gal | 10mg原装/100mg原装 | 210/1250 | INALCO1758-0200 |
| B780 | 生化试剂YeastExtractTechnical | 500g原装/10kg原装 | 510/4590 | BD 288610 |
| B781 | 生化试剂YeastNitrogenBase(酵母氮源) | 100g原装 | 550 | BD 239210 |
