| B071 | AmidoBlack10B(氨基黑) | 5g/10g/100g | 90/120/500 | Amresco分装 |
| B073 | AmikacinSulfate(丁胺卡那霉素) | 5g原装 | 1050 | INALCO1758-9312 |
| B074 | Aminopterin(氨基喋呤) | 5mg/10mg/50mg | 370/660/2850 | Sigma A-1784 |
| B075 | AmmoniumPersulfate(过硫酸铵) | 50g/100g | 80/120 | Sigma分装 |
| B076 | Ammoniumsulfate(硫酸铵) | 250g/500g/1kg/5kg | 80/130/240/980 | Amresco 0191 |
| B077 | Ampholine(两性电解质) 12ml PH值 | 4-6/5-7/6-9/3-9.5/9-11 | 360/360/360/500/420 | 国产 |
| B078 | AmphotericinB(Solubilized)(可溶性两性霉素B) | 50mg/100mg/1g原装 | 260/450/3920 | Amresco E437 |
| B079 | AmphotericinB(两性霉素B) | 100mg原装/500mg/1g原装 | 190/760/1150 | INALCO1758-9313 |
| B080 | Ampicilin,Na(氨苄青霉素钠盐) | 1g/5g/25g原装 | 50/150/620 | Amresco分装 |
| B081 | AMPNa2(5’-磷酸腺苷二钠) | 5g/25g/100g/500g原装 | 190/770/2560/10700 | Amresco 0634 |
| B082 | AMPSO | 25g/100g/1kg原装 | 330/1090/9800 | Amresco J625 |
| B083 | AMVReverseTranscriptase(逆转录酶) | 300u/1000u | 680/1750 | Promega原装 |
| B084 | Amylopectin(支链淀粉) | 1g/5g/10g/25g原装 | 300/1390/2520/5730 | Sigma A8515 |
| B085 | Amylose(直链淀粉) | 250mg/1g/5g/25g原装 | 180/500/1790/7450 | Sigma A0512 |
| B086 | a-Naphthaleneaceticacid(NAA)(a-萘乙酸) | 5g/25g/100g原装 | 80/310/1030 | Sigma N0640 |
| B087 | apo-Transferrin(转铁蛋白) | 25mg/100mg/500mg原装 | 370/1220/5090 | Sigma T4382 |
| B089 | Aprotinin(抑蛋白酶肽,抑肽酶) | 6ku/25ku | 150/500 | Usbio分装 |
| B090 | ATP,2Na,3H2O5'-三磷酸腺苷(ATP,2Na,3H2O5'-三磷酸腺苷) | 1g/5g | 80/300 | Amresco分装 |
| B091 | Avidin(亲合素) | 1mg原装/2mg原装 | 290/480/850 | Sigma A9275 |
| B100 | Bacitracin(杆菌肽) | 500ku原装/250ku原装 | 870/950 | Amresco E952 |