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L5768

Sigma-Aldrich

Lanosterol

≥93%, powder

Synonym(s):

3β-Hydroxy-8,24-lanostadiene, 8,24-Lanostadien-3β-ol

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About This Item

Empirical Formula (Hill Notation):
C30H50O
CAS Number:
79-63-0
Molecular Weight:
426.72
EC Number:
201-214-9
MDL number:
MFCD00021108
UNSPSC Code:
12352211
PubChem Substance ID:
24896417
NACRES:
NA.77

Assay

≥93%

form

powder

color

white to off-white

storage temp.

−20°C

SMILES string

[H][C@@]1(CC[C@@]2(C)C3=C(CC[C@]12C)[C@@]4(C)CC[C@H](O)C(C)(C)[C@]4([H])CC3)[C@H](C)CC\C=C(/C)C

InChI

1S/C30H50O/c1-20(2)10-9-11-21(3)22-14-18-30(8)24-12-13-25-27(4,5)26(31)16-17-28(25,6)23(24)15-19-29(22,30)7/h10,21-22,25-26,31H,9,11-19H2,1-8H3/t21-,22-,25+,26+,28-,29-,30+/m1/s1

InChI key

CAHGCLMLTWQZNJ-BQNIITSRSA-N

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General description

Lanosterol, an amphipathic molecule, that is produced by lanosterol synthase (LSS). It is enriched in the lens.

Application

Lanosterol has been used:
  • as a standard in HPLC for the quantification in testis samples
  • in S-adenosyl-L-methionine:Δ24-sterol-C-methyltransferase (SMT) assay
  • to treat wild-type cells growing in rich medium to know its effects on Sre1 protein

Biochem/physiol Actions

Cholesterol precursor sterol.
Lanosterol serves as an endogenous selective modulator of macrophage immunity.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Xiao-Jing Guo et al.
Biotechnology for biofuels, 11, 192-192 (2018-07-22)
7-Dehydrocholesterol (7-DHC) has attracted increasing attentions due to its great medical value and the enlarging market demand of its ultraviolet-catalyzed product vitamin D3. Microbial production of 7-DHC from simple carbon has been recognized as an attractive complement to the traditional
Lorena Fernández-Cabezón et al.
Frontiers in microbiology, 9, 958-958 (2018-06-06)
Nowadays steroid manufacturing occupies a prominent place in the pharmaceutical industry with an annual global market over $10 billion. The synthesis of steroidal active pharmaceutical ingredients (APIs) such as sex hormones (estrogens, androgens, and progestogens) and corticosteroids is currently performed
Identification and Characterization of an S-Adenosyl-L-methionine:-Sterol-C-methyltransferase cDNA from Soybean
Shi J, et al.
The Journal of Biological Chemistry, 271(16), 9384-9389 (1996)
Lanosterol reverses protein aggregation in cataracts
Zhao L, et al.
Nature, 523(7562), 607-607 (2015)
Evgeniy O Yablokov et al.
Biochimie, 162, 156-166 (2019-04-30)
The aim of the present work was to establish the thermodynamic and functional differences in the protein-protein interactions between the components of the P450-dependent mitochondrial (mit) and microsomal (mic) monooxygenase systems using 12 different isoforms of cytochromes P450 and two
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Articles

Cholesterol Biosynthesis

Biosynthesis of cholesterol generally takes place in the endoplasmic reticulum of hepatic cells and begins with acetyl- CoA, which is mainly derived from an oxidation reaction in the mitochondria. Acetyl-CoA and acetoacetyl-CoA are converted to 3-hydroxy- 3-methylglutaryl-CoA (HMG-CoA) by HMG-CoA synthase.

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