详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 20 CAS No. 84206-67-7 Chemical Formula : C63H86CoN12O16P STD No. 222520C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 19 CAS No. 65909-45-7 Chemical Formula : C63H86CoN12O16P STD No. 222519C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 18 CAS No. 38437-93-3 Chemical Formula : C63H87CoN13O15P STD No. 222518C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 13 Monomer (Cyanocobalamin EP Impurity H Monome) CAS No. 13422-51-0 Chemical Formula : C62H89CoN13O15P STD No. 222513CD

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 13 Acetate (Cyanocobalamin EP Impurity H Acetate) (Hydroxocobalamin Acetate) CAS No. 22465-48-1 Chemical Formula : C64H91CoN13O16P STD No. 222513CA

详情请咨询：QQ-3003337926，Tel-18672007304（李经理） Cyanocobalamin Impurity 17 CAS No. 121483-62-3 Chemical Formula : C63H87CoN13O15P STD No. 222517C

详情请联系：18672007304（微信同号）QQ 3003337926 15130-04-8 Cyanocobalamin Impurity 15(Cyanocobalamin EP Impurity G) CAS No. 15130-04-8 Chemical Formula : C64H90CoN14O14P STD No. 222515C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 14 CAS No. 13870-90-1 Chemical Formula : C72H100CoN18O17P STD No. 222514C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 13 (Cyanocobalamin EP Impurity H Hydrochloride) CAS No. 59461-30-2 Chemical Formula : C62H89CoN13O15P · HCl STD No. 222513C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 11 (Cyanocobalamin EP Impurity B) (50-Carboxycyanocobalamin) CAS No. 26264-28-8 Chemical Formula : C63H87CoN13O15P STD No. 222511C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 10 (Cyanocobalamin EP Impurity C) (34-Methylcyanocobalamin) CAS No. 38218-51-8 Chemical Formula : C64H90CoN14O14P STD No. 222510C

详情请联系：18672007304（微信同号）QQ 3003337926 Cyanocobalamin Impurity 9 (Cyanocobalamin EP Impurity D) CAS No. 38218-77-8 Chemical Formula : C63H87CoN13O15P STD No. 22259C