| 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 |
| B565 | PeptoneBeef(牛肉蛋白胨) | 500g | 150 | 国产 |
| B566 | PeptoneSoy(大豆蛋白胨) | 250g/1kg | 80/260 | 国产 |
| B567 | Percoll（细胞分离液） | 100ml/1L 原装 | 560/4740 | Pharmacia17089101 |
| B569 | Peroxidase(Horseradish)辣根过氧化物酶 | 10mg/100mg | 140/1000 | 国产 |
| B570 | PHA-P(植物凝集素P) | 5mg/10mg | 180/310 | Sigma分装 |
| B571 | PhenazineMethosulfate（PMS）(吩嗪硫酸甲酯) | 1g /5g /10g/25g | 200/880/1550/3100 | Amresco 0361 |
| B573 | Phenol(重蒸酚) | 250ml | 90 | 国产 |
| B574 | Phenol:Water(水饱和酚) | 250ml | 90 | 国产 |
| B575 | Phosphatidylcholine(EggYolk)(蛋黄卵磷脂) | 25mg/100mg/250mg | 160/510/1060 | Sigma P4279 |
| B576 | Phosphatidylcholine(EggYolk)(蛋黄卵磷脂) | 10g/1kg | 70/1660 | 国产 |
| B577 | Phosphatidylcholine(Soy)(大豆卵磷脂) | 25g/100g/500g/1kg原装 | 110/370/1660/2770 | Sigma P5638 |
| B579 | PHStandardSET(PH标准液) | set | 170 | Amresco分装 |
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