| B542 | Paclobutrazol(多效唑) | 10g/250g | 60/280 | 国产 |
| B543 | PalcamMediumBase | 500g原装 | 1510 | BD 263620 |
| B544 | Palmiticacid(棕榈酸) | 10g原装/25g原装 | 520/1050 | Sigma P0500 |
| B545 | Papain(木瓜蛋白酶) | 5g/25g/100g原装 | 200/820/2750 | Sigma P3250 |
| B546 | Paraformaldehyde(多聚甲醛) | 100g/250g/1kg/5kg原装 | 60/100/260/1080 | Sigma P6148 |
| B547 | Pectin(果胶) | 25g/100g/500g/1kg原装 | 110/390/1850/3450 | Sigma P9135 |
| B548 | PectolaseY-23(果胶酶Y-23) | 100mg/500mg/1g/10g原装 | 160/750/1180/9800 | Yakult.JAPAN |
| B549 | PEG12000(聚乙二醇12000) | 100g /1kg 原装 | 110/770 | Fluka 81285 |
| B550 | PEG20000(聚乙二醇20000) | 250g/500g/1kg/5kg 原装 | 100/180/330/1300 | Merck 818897 |
| B551 | PEG3350(聚乙二醇3350) | 100g/250g | 140/280 | Sigma分装 |
| B552 | PEG400(聚乙二醇400) | 200g | 200 | Sigma分装 |
| B553 | PEG4000(聚乙二醇4000) | 250g/500g/1kg/5kg原装 | 110/200/360/1550 | Merck 817006 |
| B554 | PEG6000(聚乙二醇6000) | 200g | 160 | Sigma分装 |
| B555 | PEG8000(聚乙二醇8000) | 200g/500g | 80/140 | Amresco分装 |
| B556 | PenicillinGNasalt(青霉素G钠盐) | 5g/25g/100g | 150/580/1250 | INALCO原装 |
| B557 | Penicillin-Streptomycin(青霉素－链霉素溶液) | 100ml原装 | 350 | INVITROGEN |
| B559 | Pepsin1:10000(胃蛋白酶1:10000) | 5g/25g/100g/1kg原装 | 90/310/1050/8500 | Sigma P7000 |
| B560 | Pepsin1:3000(胃蛋白酶1:3000(猪源)) | 100g/250g/1kg 原装 | 290/610/2100 | Amresco 0685 |
| B561 | Pepstatin（胃蛋白酶抑制剂） | 5mg/25mg原装/250mg原装 | 330/1440/询价 | Amresco J583 |
| B562 | PepstatinA(抑胃肽) | 5mg/10mg | 300/500 | CNI分装 |
| B563 | Peptone(蛋白胨) | 500g原装 | 980 | OXOID |
| B564 | PeptoneBacto(蛋白胨) | 100g/500g原装 | 250/900 | BD 211677 |
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