| B392 | Indole-3-Butytricacid(IBA)(吲哚-3-丁酸) | 1g/5g/25g原装 | 130/510/1650 | Sigma I5386 |
| B393 | Indoxyl-Gal(吲哚Gal) | 100mg原装/1g原装 | 250/1680 | INALCO1758-1370 |
| B394 | Indoxyl-Glucoside | 25mg原装/100mg原装 | 250/900 | INALCO1758-1375 |
| B395 | Indoxyl-GlucuronideCHASalt | 10mg原装/100mg原装 | 250/900 | INALCO1758-1377 |
| B396 | Indoxyl-GlucuronideNaSalt | 10mg原装/100mg原装 | 250/900 | INALCO1758-1380 |
| B397 | Inositol(肌醇) | 100g/250g/500g/1kg | 80/150/260/430 | 国产 |
| B398 | InositolAssayMedium | 100g原装 | 790 | BD 212222 |
| B399 | Insulin(FromBovine)(牛胰岛素) | 25mg/50mg/100mg/500mg | 320/590/1100/5080 | Sigma I5500 |
| B400 | Iodoacetamide(碘代乙酰胺) | 5g/10g/25g/100g | 360/700/1620/5400 | Sigma I6125 |
| B401 | IPTG异丙基-b-D-硫代半乳糖苷 | 1g/5g/10g | 90/360/700 | Amresco分装 |
| B402 | IsoamylAlcohol(异戊醇) | 100ml/1000ml | 50/400 | Amresco分装 |
| B403 | Isopropanol(异丙醇) | 100ml/250ml | 60/100 | Amresco分装 |
| B406 | JanusGreenB(詹纳斯绿) | 1g/5g/25g原装 | 160/680/2850 | Aldrich 201677 |
| B407 | KanamycinSulfate(硫酸卡那霉素) | 1g/5g原装/10g/25g原装 | 60/180/330/720 | INALCO1758-9316 |
| B410 | L-(+)-Arabinose(L-阿拉伯糖) | 5g/10g/25g/100g | 200/330/680/2270 | Sigma A3256 |
| B411 | LactalbuminHydrolysate(水解乳蛋白) | 500g原装/10kg原装 | 700/8650 | BD 259962 |
| B412 | LactalbuminHydrolysate(水解乳蛋白) | 250g/1kg | 120/420 | 国产 |
| B413 | Lactatedehydrogenase(乳酸脱氢酶) | 100mg | 250 | Amresco分装 |
| B414 | LactoseBroth(乳糖肉汤) | 500g 原装 | 590 | BD 211835 |
| B415 | Lactulose(乳果糖（二蔗酮糖）) | 1g原装/5g/10g原装 | 90/350/550 | INALCO 0750/4 |
| B416 | L-Alanine(L-丙氨酸) | 50g /100g/500g/1kg | 70/100/260/340 | 国产 |
| B417 | Laminaria(昆布多糖（海带多糖)) | 100mg/250mg/1g/5g原装 | 190/400/1340/5590 | Sigma L9634 |
| B418 | L-Arginine(L-精氨酸) | 25g | 90 | Sigma分装 |
| B419 | L-Arginine(L-精氨酸) | 50g/100g/250g/500g/1kg | 70/100/230/360/540 | 国产 |
| B420 | L-ArginineHCl(L-精氨酸盐酸盐) | 50g/250g/500g/Sigma25g | 70/230/370/90 | 国产 |
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