Precalciferol (Previtamin D3)
CAS No. 1173-13-3
C27H44O
M.W. 384.65

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

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

25-Hydroxy-Ergocalciferol (25-(OH)-Vitamin D2)
CAS No. 21343-40-8
C28H44O2
M.W. 412.66

Ergocalciferol EP Impurity F
C28H42O
M.W. 394.65

Ergocalciferol (Vitamin D2) EP Impurity A (5,6-trans-Vitamin D2)
CAS No. 51744-66-2
C28H44O
M.W. 396.66
维生素D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