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Merck

E1100000

Ergosterol

European Pharmacopoeia (EP) Reference Standard

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
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329798990
MDL number:
MFCD00003623
Beilstein/REAXYS Number:
2338604

Product Name

Ergosterol, European Pharmacopoeia (EP) Reference Standard

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

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 key

DNVPQKQSNYMLRS-APGDWVJJSA-N

biological source

plant

grade

pharmaceutical primary standard

agency

EP

API family

ergosterol

form

solid

manufacturer/tradename

EDQM

technique(s)

gas chromatography (GC): suitable
liquid chromatography (LC): suitable

mp

156-158 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

−20°C

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Application

Ergosterol may be used as an analytical reference standard for the determination of the analyte in pharmaceutical formulations by liquid chromatography.

General description

Ergosterol is a biological precursor of vitamin D2 found in cell membranes of fungi and some protists such as trypanosomes.
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

hcodes

H413

Hazard Classifications

Aquatic Chronic 4

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Ergocalciferol
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 54(12), 6604-6606 (201)
Analysis of ergosterol in single kernel and ground grain by gas chromatography- mass spectrometry
Dong Y, et al.
Journal of Agricultural and Food Chemistry, 54(12), 4121-4125 (2006)
Mario Ruiz et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 28(4), 1555-1567 (2013-12-24)
Lipocalins are small extracellular proteins mostly described as lipid carriers. The Drosophila lipocalin NLaz (neural Lazarillo) modulates the IIS pathway and regulates longevity, stress resistance, and behavior. Here, we test whether a native hydrophobic pocket structure is required for NLaz
M E da Silva Ferreira et al.
Medical mycology, 43 Suppl 1, S313-S319 (2005-08-23)
The continuous use of triazoles can result in the development of drug resistance. Azole-resistant clinical isolates, spontaneous and induced mutants of Aspergillus fumigatus have been documented. The azoles block the ergosterol biosynthesis pathway by inhibiting the enzyme 14-alpha-demethylase, product of
Cetin Kadakal et al.
Critical reviews in food science and nutrition, 44(5), 349-351 (2004-11-16)
The poor precision of the "percentage of discarded fruits" and "Howard mold count" methods has increased the importance of ergosterol for the microbiological quality evaluation of tomato and tomato products. Ergosterol, a constituent of the cell wall of some important
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