| B616 | PutrescineHydrochloride(腐胺) | 5g/25g | 160/680 | Sigma分装 |
| B617 | PVP-360(聚乙烯吡咯烷酮) | 100g/250g/500g/5kg原装 | 190/400/790/7580 | Sigma PVP360 |
| B618 | PVP-40(聚乙烯吡咯烷酮) | 100g/250g/500g/1kg | 140/320/580/1080 | Amresco 0507 |
| B619 | PVP-40(聚乙烯吡咯烷酮) | 25g/1kg原装 | 480/4050 | Sigma PVP40 |
| B620 | PVP-K30(聚乙烯吡咯烷酮K30) | 100g/250g/1kg | 150/310/1150 | JAPAN |
| B621 | PVP-K90(聚乙烯吡咯烷酮K90) | 100g/250g/1kg | 150/310/1150 | JAPAN |
| B622 | PVPP(聚乙烯聚吡咯烷酮) | 25g/100g/500g/1kg原装 | 160/570/2570/4670 | Sigma 77627 |
| B623 | PVPP(聚乙烯聚吡咯烷酮) | 25g/100g/500g/1kg原装 | 100/340/1400/2300 | Sigma P6755 |
| B624 | Pyridoxal5-Phosphate(5’-磷酸吡哆醛) | 1g/5g/25g 原装 | 140/460/1960 | Amresco 0573 |
| B625 | PyroninB(派洛宁B) | 1g/5g/10g原装 | 220/920/1530 | Amresco 0724 |
| B626 | PyroninY(派洛宁Y) | 1g/5g/10g原装 | 220/910/1510 | Amresco 0207 |
| B627 | PyruvicAcid,Na(丙酮酸钠) | 20g/100g | 100/450 | Amresco分装 |
| B630 | R2AAgar(R2A琼脂) | 2kg原装/500g原装 | 4330/1080 | BD 218261 |
| B631 | Rhamnose(鼠李糖) | 5g/10g/100g | 120/200/1850 | 国产 |
| B632 | Rhodamine123(罗丹明123) | 5mg/10mg/25mg | 260/450/970 | Sigma R-8004 |
| B633 | Rifampicin（利福平） | 100mg原装/250mg/1g原装 | 120/260/850 | INALCO1758-9315 |
| B634 | RNaseA(核糖核酸酶A) | 25mg/100mg | 150/550 | Sigma分装 |
| B635 | RNaseInhibitor(RNA酶抑制剂) | 2500u/1000u | 850/100 | Promega原/BBI分装 |
| B636 | Rosebengal(虎红) | 5g/25g原装 | 370/1690 | Sigma R-3877 |
| B640 | SabouraudDextroseagar(沙氏葡糖琼脂) | 500g原装/2kg原装 | 530/1850 | BD 210950 |
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