usb试剂11055 1 KG AMINOBENZOIC ACID （PABA） FREE ACID 11055 200 GM AMINOBENZOIC ACID （PABA） FREE ACID 11055 5 KG AMINOBENZOIC ACID （PABA） FREE ACID 11055 500 GM AMINOBENZOIC ACID （PABA） FREE ACID

usb试剂11045 1 GM DL-ALPHA-AMINO ADIPIC ACID 11045 250 MG DL-ALPHA-AMINO ADIPIC ACID 11045 5 GM DL-ALPHA-AMINO ADIPIC ACID

usb试剂11040 2MG L-AMINO ACID OXIDASE: CROTALUS ADAM 11040 5MG L-AMINO ACID OXIDASE: CROTALUS ADAM

usb试剂11030 25 MG D-AMINO ACID OXIDASE:PORCINE KIDNEY 11030 5 MG D-AMINO ACID OXIDASE:PORCINE KIDNEY

usb试剂11010 100 MG ALPHA-CHYMOTRYPSIN: BOVINE PANCREAS

usb试剂10995 100 MG ALPHA-AMYLASE: PORCINE PANCREAS 10995 25 MG 10995 50 MG

usb试剂10990 100 GM ALPHA-AMYLASE: B. SUBTILLIS 10990 25 GM ALPHA-AMYLASE: B. SUBTILLIS 10990 50 GM ALPHA-AMYLASE: B. SUBTILLIS 10990 500 GM ALPHA-AMYLASE: B. SUBTILLIS

usb试剂10925 1 GM ALK PHOS CHICKEN INTESTIN-SALT FREE 10925 5 GM ALK PHOS CHICKEN INTESTIN-SALT FREE

usb试剂10910 100 GM ALIZARIN RED S （ALIZARIN SODIUM SUL 10910 25 GM ALIZARIN RED S （ALIZARIN SODIUM SUL

usb试剂10865 1 GM ALBUMIN CHICKEN EGG APP. 98% BY IEF 10865 100 GM ALBUMIN CHICKEN EGG APP. 98% BY IEF 10865 25 GM ALBUMIN CHICKEN EGG APP. 98% BY IEF 10865 5 GM ALBUMIN CHICKEN EGG APP. 98% BY IEF