Vitamin K3 | 58-27-5
Nkọwa ngwaahịa
A na-akpọ ya mgbe ụfọdụ vitamin k3, ọ bụ ezie na mmepụta nke naphthoquinone na-enweghị eriri akụkụ na ọnọdụ 3 enweghị ike ịrụ ọrụ niile nke vitamin K. Menadione bụ vitamin precursor nke K2 nke na-eji alkylation na-emepụta menaquinones (MK-n, n=1-13; K2 vitamin), ya mere, a na-ekewa ya nke ọma dị ka provitamin.
A na-akpọkwa ya "menaphthone".
Nkọwapụta
| ITEM | Ọkọlọtọ |
| Mpụta | kristal ntụ ntụ na-acha odo odo |
| Ọcha(%) | >= 96.0 Uzo nnwale UV |
| MENADIONE (%) | >= 43.0 Uzo nnwale UV |
| Nicotinamide (%) | >= 31.0 UZỌ anwale UV |
| Mmiri (%) | = < 1.5 UZỌ anwale Karl Fisher |
| Ọla dị arọ (Pb) (%) | = <0.002 |
