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45480

Sigma-Aldrich

Ergosterol

≥95.0% (HPLC)

Synonym(s):

3β-Hydroxy-5,7,22-ergostatriene, 5,7,22-Ergostatrien-3β-ol, Provitamin D2

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About This Item

Empirical Formula (Hill Notation):
C28H44O
CAS Number:
57-87-4
Molecular Weight:
396.65
Beilstein:
2338604
EC Number:
200-352-7
MDL number:
MFCD00003623
UNSPSC Code:
12352211
PubChem Substance ID:
329756772
NACRES:
NA.79

biological source

plant

Quality Level

100

Assay

≥95.0% (HPLC)

form

powder or crystals

optical activity

[α]20/D −120±10°, c = 1% in chloroform

impurities

~3% water

color

white to faint yellow

mp

156-158 °C (lit.)
160-163 °C

functional group

hydroxyl

storage temp.

2-8°C

SMILES string

[H][C@@]1(CC[C@@]2([H])C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)\C=C\[C@H](C)C(C)C

InChI

1S/C28H44O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h7-10,18-20,22,24-26,29H,11-17H2,1-6H3/b8-7+/t19-,20+,22-,24+,25-,26-,27-,28+/m0/s1

InChI key

DNVPQKQSNYMLRS-APGDWVJJSA-N

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Biochem/physiol Actions

Ergosterol is a biological precursor of Vitamin D2 found in cell membranes of fungi and some protists such as trypanosomes. Ergosterol may be used to study the function of anti-fungal drugs such as Amphotericin B and its analogues and to study the ergosterol biosynthesis pathway within various fungi.

Hazard Statements

H413

Precautionary Statements

P273 - P501

Hazard Classifications

Aquatic Chronic 4

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
WXBC5157V
WXBC3812V
WXBC2170V
WXBC1480V
BCBN4049V

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