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Merck
CN

1241007

USP

Ergosterol

United States Pharmacopeia (USP) 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:
329749378
MDL number:
MFCD00003623
Beilstein/REAXYS Number:
2338604

Key Documents

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InChI key

DNVPQKQSNYMLRS-APGDWVJJSA-N

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

grade

pharmaceutical primary standard

API family

ergosterol

manufacturer/tradename

USP

mp

156-158 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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General description

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.

Application

Ergosterol USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
Also, for use with USP monographs such as:
  • Ganoderma Lucidum Fruiting Body Powder
  • Ganoderma Lucidum Fruiting Body
  • Ergocalciferol

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

hcodes

H413

Hazard Classifications

Aquatic Chronic 4

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

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