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Merck
CN

700138P

Avanti

7-dehydrodesmosterol

Avanti Research - A Croda Brand

Synonym(s):

Cholesta-5,7,24-trien-3β-ol

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About This Item

Empirical Formula (Hill Notation):
C27H42O
CAS Number:
Molecular Weight:
382.62
MDL number:
UNSPSC Code:
12352211
NACRES:
NA.25
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Product Name

7-dehydrodesmosterol, powder

assay

>99% (TLC)

form

powder

packaging

pkg of 1 × 1 mg (700138P-1mg)

manufacturer/tradename

Avanti Research - A Croda Brand 700138P

shipped in

dry ice

storage temp.

−70°C

SMILES string

O[C@H]1CC[C@@]2([C@H]3CC[C@]4([C@@H](CC[C@@H]4[C@@H](CCC=C(C)C)C)C3=CC=C2C1)C)C

InChI

1S/C27H42O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h7,9-10,19,21,23-25,28H,6,8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1

InChI key

RUSSPKPUXDSHNC-DDPQNLDTSA-N

General description

7-dehydrodesmosterol (7-DHD) is synthesized via the Bloch pathway. 7-DHD serves as a desmosterol synthesis precursor and the enzyme 7-dehydrocholesterol reductase (DHCR7) catalyzes this step.

Application

7-dehydrodesmosterol has been used as an internal oxysterol standard in ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS).

Biochem/physiol Actions

7-dehydrodesmosterol (7-DHD) levels are higher during fetal development and increases with aging. Elevated levels of 7-DHD is associated with Smith-Lemli-Opitz syndrome mouse model. Reduced levels of 7-DHD is observed in shiverer and quaking disorder.

Packaging

5 mL Amber Glass Screw Cap Vial (700138P-1mg)

Legal Information

Avanti Research is a trademark of Avanti Polar Lipids, LLC


Storage Class

11 - Combustible Solids



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J M Bourre et al.
Journal of neurochemistry, 54(4), 1196-1199 (1990-04-01)
In rat sciatic nerve, the 7-dehydrocholesterol content decreased dramatically during the postnatal period and slowly during adulthood and aging. In contrast, the 7-dehydrodesmosterol content peaked at 14 days and was nearly undetectable after 60 days. The desmosterol content peaked at
Alterations of cholesterol synthesis precursors (7-dehydrocholesterol, 7-dehydrodesmosterol, desmosterol) in dysmyelinating neurological mutant mouse (quaking, shiverer and trembler) in the PNS and the CNS
Bourre JM, et al.
Biochimica et Biophysica Acta, Lipids and Lipid Metabolism, 1004(3), 387-390 null
Anna Meljon et al.
Biochemical pharmacology, 86(1), 43-55 (2013-03-19)
In this study the sterol and oxysterol profile of newborn brain from the Dhcr7(Δ3-5/T93M) mouse model of Smith-Lemli-Opitz syndrome (SLOS) has been investigated. This is a viable mouse model which is compound heterozygous containing one null allele and one T93M



Global Trade Item Number

SKUGTIN
700138P-1MG04061835383962