About Us Life Science Performance Products Contract Manufacturing Products Regulatory News Contact EN PRODUCT LIST Vitamins K1 CAS Number: 84-80-0 Formula: C31H46O2 Molecular Weight: 450.70 View More K1 Oxide CAS Number: 25486-55-9 Formula: C31H46O3 Molecular Weight: 466.7 View More K2 (MK4) CAS Number: 863-61-6 Formula: C31H40O2 Molecular Weight: 444.6 View More K2 (MK7) CAS Number: 2124-57-4 Formula: C46H64O2 Molecular Weight: 649.0 View More Menadione CAS Number: 58-27-5 Formula: C11H8O2 Molecular Weight: 172.2 View More Menadione Sodium Bisulfite CAS Number: 6147-37-1 Formula: C11H9NaO5S • 3H2O Molecular Weight: 330.3 View More Search products Performance Products Aziridine Crosslinkers Intermediates CMO Life Science Pharma Plant Health Veterinary CMO Vitamins Vitamins CMO Your trusted European manufacturer in specialty chemicals ABOUT US Who we are History & Figures Manufacturing Sites Corporate Social Responsibility (CSR) PRODUCTS Life Science Performance Products Contract Manufacturing GET SOCIAL Address: Pol. Ind. Mas Puigvert, s/n - 08389 Palafolls - Barcelona - Spain Copyright © 2018 Menadiona / +34 93 764 07 11 / menadiona@menadiona.com Quality policy | Privacy policy