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Vitamin D

In March 2014, the United States Food and Drug Administration (US FDA) made a proposal to update the Nutrition Facts label and require Vitamin D declaration. Get ahead of this trend by having methods in place using standards and chromatography products from Sigma-Aldrich. Click on the "Chromatographic Methods" link to see the current list of applications for Vitamin D analysis.

View Chromatographic Methods for Vitamin D Analysis to see chromatograms and test parameters for analysis of Vitamin D.

Vitamin D2

Designed to help you locate the chemicals and kits you need, the Bioactive Nutrient Explorer allows you to search for plants containing specific chemicals or demonstrating a specific physiological activity, as well as identify compounds found within a specific plant or chemical structure class.

Product #

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Description

CAS Number

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17944 1α,25-Dihydroxyvitamin D2 ≥97.0% (sum of vitamin and previtamin, HPLC) 60133-18-8 428.7
E5750 Ergocalciferol 40,000,000 USP units/g 50-14-6 396.7
95220 Ergocalciferol ≥98.0% (sum of enantiomers, HPLC) 50-14-6 396.7
47768 Ergocalciferol (D2) analytical standard 50-14-6 396.7
45480 Ergosterol ≥95.0% (HPLC) 57-87-4 396.7
17937 25-Hydroxyvitamin D2 ≥98.0% (HPLC) 21343-40-8 412.7

Vitamin D3

Designed to help you locate the chemicals and kits you need, the Bioactive Nutrient Explorer allows you to search for plants containing specific chemicals or demonstrating a specific physiological activity, as well as identify compounds found within a specific plant or chemical structure class.

Product #

Image

Description

CAS Number

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C9756 Cholecalciferol ≥98% (HPLC) 67-97-0 384.6
C9774 Cholecalciferol analytical standard 67-97-0 384.6
C1357 Cholecalciferol meets USP testing specifications 67-97-0 384.6
47763 Cholecalciferol (D3) analytical standard 67-97-0 384.6
30800 7-Dehydrocholesterol ≥95.0% (HPLC) 434-16-2 384.6
D1530 1α,25-Dihydroxyvitamin D3 ≥99% (HPLC) 32222-06-3 416.6
17936 1α,25-Dihydroxyvitamin D3 ≥97.0% (HPLC) 32222-06-3 416.6
17943 (24R)-24,25-Dihydroxyvitamin D3 ≥98% (vitamin + pre-vitamin, HPLC) 55721-11-4 416.6
H4014 25-Hydroxycholecalciferol ≥98% (HPLC) 19356-17-3 400.6
17946 1α-Hydroxyvitamin D3 ≥97.0% (HPLC) 41294-56-8 400.6
17938 25-Hydroxyvitamin D3 monohydrate ≥99.0% (HPLC) 63283-36-3 418.7