E

Ergocalciferol

IUPAC: (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol

C28H44O Organic Compounds CAS 50-14-6
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Quick Reference
Formula / NotationC28H44O
CAS Number50-14-6
Molecular Weight396.6
Melting Point239 to 244 °F (EPA, 1998)
Boiling PointDecomposes
SolubilityInsoluble
AppearanceErgocalciferol appears as odorless white crystals. Used as a dietary supplement and food additive. (EPA, 1998)
Also Known As(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol; VITAMIN D2; Calciferol; 50-14-6; Viosterol; Deltalin; Ergorone; Oleovitamin D2; Drisdol; Ostelin
CategoryOrganic Compounds

What is Ergocalciferol?

Vitamin D2 is a vitamin D supplement and has been isolated from alfalfa. It has a role as a rodenticide, a bone density conservation agent, a nutraceutical and a plant metabolite. It is a vitamin D, a seco-ergostane and a hydroxy seco-steroid.

Formula & Notation

C28H44O

IUPAC Name: (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol

Other Names / Synonyms: (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol; VITAMIN D2; Calciferol; 50-14-6; Viosterol; Deltalin; Ergorone; Oleovitamin D2; Drisdol; Ostelin

Properties & Characteristics

Appearance: Ergocalciferol appears as odorless white crystals. Used as a dietary supplement and food additive. (EPA, 1998). Molecular formula: C28H44O. Molecular weight: 396.6 g/mol. Boiling point: Decomposes. Melting point: 239 to 244 °F (EPA, 1998). Solubility: Insoluble. LogP: 7.4.

Physical Data

PropertyValue
Melting Point239 to 244 °F (EPA, 1998)
Boiling PointDecomposes
Molecular Weight396.6
SolubilityInsoluble
AppearanceErgocalciferol appears as odorless white crystals. Used as a dietary supplement and food additive. (EPA, 1998)

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Ergocalciferol
Formula C28H44O
CAS Number 50-14-6
Molecular Weight 396.6
Synonyms (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol; VITAMIN D2; Calciferol; 50-14-6; Viosterol; Deltalin; Ergorone; Oleovitamin D2; Drisdol; Ostelin

Frequently Asked Questions

Vitamin D2 is a vitamin D supplement and has been isolated from alfalfa. It has a role as a rodenticide, a bone density conservation agent, a nutraceutical and a plant metabolite. It is a vitamin D, a seco-ergostane and a hydroxy seco-steroid.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.