Cholecalciferol EP Impurity A (5,6-trans-Cholecalciferol, 5,6-trans-Vitamin D3)
CAS No. 22350-41-0
C27H44O
M.W. 384.65

Vitamin B6 Impurity
C15H15N5O4
M.W. 329.32

Vitamin A EP Impurity A (Diels-Alder Dimers)
CAS No. N/A
C40H60O2/C44H64O4
M.W. 572/92/657.00

Vitamin A EP Impurity B (Anhydro-Vitamin A)
CAS No. 1224-78-8
C20H28
M.W. 268.45

Vitamin A EP Impurity C (retro-Vitamin A, all-trans-Retro Retinol)
CAS No. 16729-22-9
C20H30O
M.W. 286.46

Vitamin D2 (Ergocalciferol)
CAS No. 50-14-6
C28H44O
M.W. 396.66

Ergocalciferol (Vitamin D2)-d6
CAS No. 50-14-6 (non-d)
C28H38OD6
M.W. 402.70全套杂质都可以提供，更多没有列出来的杂质，请咨询罗小姐：手机：13392868572（微信同号），QQ:2572840131