Vitamin K3 | 58-27-5
Bayanin Samfura
Wani lokaci ana kiran shi bitamin k3, kodayake abubuwan da suka samo asali na naphthoquinone ba tare da sarkar gefe a cikin matsayi na 3 ba ba zai iya yin duk ayyukan bitamin K ba. Menadione shine tushen bitamin na K2 wanda ke amfani da alkylation don samar da menaquinones (MK-n, n = 1-13; K2 bitamin), don haka, ya fi dacewa a matsayin provitamin.
Ana kuma san shi da "menaphthone".
Ƙayyadaddun bayanai
| ITEM | STANDARD |
| BAYYANA | Yellow crystalline foda |
| TSARKI(%) | >= 96.0 HANYAR gwaji UV |
| MENADIONE (%) | >= 43.0 HANYAR GWADA UV |
| Nicotinamide (%) | >= 31.0 HANYAR GWADA UV |
| RUWA (%) | =< 1.5 HANYAR GWADA Karl Fisher |
| Karfe masu nauyi (Pb) (%) | = <0.002 |
