详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 8 (Cyanocobalamin EP Impurity E)(8-epi-Cyanocobalamin) CAS No. 41325-63-7 Chemical Formula : C63H88CoN14O14P STD No. 22258C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 7 CAS No. 38218-55-2 Chemical Formula : C63H87CoN13O15P STD No. 22257C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 6 (Cyanocobalamin EP Impurity A) CAS No. 23208-66-4 Chemical Formula : C63H85CoN13O15P STD No. 22256C

湖北扬信医药（现货）供应维生素 B12全套杂质对照品， 详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 4 CAS No. 23388-02-5 Chemical Formula : C63H86CoN14O14P STD No. 22254C

详情请联系：18672007304（微信同号）QQ 3003337926 Pyridoxine Impurity 75 CAS No. 104524-65-4 Chemical Formula : C8H12N2O STD No. 625375P

详情请联系：18672007304（微信同号）QQ 3003337926 Pyridoxine Impurity 22-d3 CAS No. 1173023-49-8 Chemical Formula : C8H6D3NO3 ? HCl STD No. 625322PD3

详情请咨询:李经理 Tel: 18672007304(微信同号) QQ:3003337926 Pyridoxine Impurity 73 CAS No. 1450662-30-2 Chemical Formula : C8H12N2O2 ? HCl STD No. 625373P

Pyridoxine Impurity 72 CAS No. 4753-19-9 Chemical Formula : C8H7NO3 STD No. 625372P 详情请联系：18672007304（微信同号）QQ 3003337926

详情请咨询：Tel: 18672007304（微信同号） QQ：3003337926 Pyridoxine Impurity 67 CAS No. 1823949-83-2 Chemical Formula : C10H15NO3 STD No. 625367P

详情请联系：18672007304（微信同号）QQ 3003337926 Pyridoxine Impurity 66 CAS No. 1003-52-7 Chemical Formula : C5H4N2O STD No. 625366P

详情请咨询:李经理 Tel: 18672007304(微信同号) QQ:3003337926 Pyridoxine Impurity 65 CAS No. 863030-59-5 Chemical Formula : C16H21N3O4 STD No. 625365P

详情请咨询:李经理 Tel: 18672007304(微信同号) QQ:3003337926 Pyridoxine Impurity 64 CAS No. 739304-10-0 Chemical Formula : C17H23N2O5+ STD No. 625364P