| B498 | 生化试剂Myoglobin(肌红蛋白) | 100mg/250mg/1g | 240/520/1686 | Sigma M0630 |
| B510 | 生化试剂N,N-DimethylFormamide(二甲基甲酰胺) | 500ml原装 | 190 | Amresco 0464 |
| B511 | 生化试剂N-Acetyl-D-Glucosamine(N-乙酰-D-氨基葡萄糖) | 1g/5g/25g原装 | 280/1190/4940 | Sigma A8625 |
| B512 | 生化试剂N-Acetyl-D-Glucosamine(N-乙酰-D-半乳糖胺) | 10mg/100mg原装 | 150/980 | INALCO1758-0070 |
| B513 | 生化试剂N-Acetyl-L-Cysteine(N-乙酰-L-半胱氨酸) | 5g/25g/100g/250g | 70/150/500/1150 | 国产 |
| B514 | 生化试剂N-AcetylneuraminicAcid(N-乙酰神经氨酸（NANA）) | 25mg/100mg原装 | 950/2450 | INALCO1758-0100 |
| B515 | 生化试剂NAD,3H2O(辅酶Ⅰ-氧化型) | 500mg/1g | 210/350 | Amresco分装 |
| B516 | 生化试剂NADH,2Na,3H2O(辅酶Ⅰ-还原型) | 250mg/1g | 150/470 | Amresco分装 |
| B517 | 生化试剂NADPHNa4(还原型辅酶II四钠>98%) | 25mg/100mg/1g原装 | 340/1490/10590 | Roche 10621706001 |
| B518 | 生化试剂NADPNa2(氧化型辅酶II二钠>98%) | 100mg/500mg/1g/5g原装 | 240/1050/1750/7040 | Amresco 0760 |
| B520 | 生化试剂Nalidixicacid(萘啶酮酸) | 5g/10g/25g/50g | 100/140/320/640 | Amresco 0677 |
| B522 | 生化试剂NBT(硝基四氮唑蓝) | 200mg/1g | 160/750 | Amresco分装 |
| B523 | 生化试剂n-Dodecyl-β-D-Maltopyranoside(n-十二烷基-β-D-麦芽苷) | 250mg/1g/5g | 250/1100/3850 | INALCO原装 |
| B524 | 生化试剂NeomycinSulfate(硫酸新霉素) | 5g/25g/100g | 70/160/660 | INALCO原装 |
| B525 | 生化试剂NeutralRed(中性红) | 5g/25g/100g原装 | 120/530/1920 | Amresco E895 |
| B526 | 生化试剂NHS-d-biotin(N-羟基琥珀酰亚胺生物素) | 5mg 原装/25mg 原装 | 260/690 | Sigma H1759 |
| B527 | 生化试剂NiacinassayMedium | 100g原装 | 920 | BD 232210 |
| B528 | 生化试剂Nicotinicacid(烟酸(尼古丁酸VitaminB3)) | 25g/100g/500g/1kg原装 | 70/150/520/860 | Sigma N4126 |
| B529 | 生化试剂N-LauroylSarcosineSodium(十二烷基肌氨酸钠) | 50g/100g/250g/1kg | 100/140/290/890 | Amresco 0719 |
| B531 | 生化试剂N-Octyl-b-D-Glucopyranoside(n-辛基-b-D-吡喃葡萄糖苷) | 250mg/1g/5g | 150/550/1850 | INALCO原装 |
| B532 | 生化试剂N-Octyl-b-D-Thioglucopyranoside(n-辛基-b-D-硫代毗喃葡萄糖苷) | 1g 原装 | 680 | Amresco J575 |
| B533 | 生化试剂NutrientAgar(营养琼脂) | 100g原装/500g原装 | 370/910 | BD 212000 |
| B534 | 生化试剂NutrientBroth(营养肉汤) | 100g/500g/北京250g | 450/1180/100 | BD 233000 |
| B535 | 生化试剂Nystatin(Mycostatin)(制霉菌素) | 100mg原装/1g原装 | 120/880 | INALCO1758-9323 |
| B540 | 生化试剂OilRedO(油红O（苏丹红5B）) | 25g/50g/250g原装 | 130/210/880 | Amresco 0684 |
| B541 | 生化试剂OPD(邻苯二胺) | 5g/10g/50g/250g原装 | 70/110/280/1300 | Amresco 0688 |
| B542 | 生化试剂Paclobutrazol(多效唑) | 10g/250g | 60/280 | 国产 |
