D4429

Sigma-Aldrich

7-Dehydrocholesterol

≥85%

Synonym(s):
(−)-7-Dehydrocholesterol, Provitamin D3, 3β-Hydroxy-5,7-cholestadiene, 5,7-Cholestadien-3β-ol
Empirical Formula (Hill Notation):
C27H44O
CAS Number:
Molecular Weight:
384.64
Beilstein/REAXYS Number:
2224615
EC Number:
MDL number:
eCl@ss:
39023139
PubChem Substance ID:
Pricing and availability is not currently available.

assay

≥85%

mp

148-152 °C (lit.)

storage temp.

−20°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)CCCC(C)C

InChI

1S/C27H44O/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/h9-10,18-19,21,23-25,28H,6-8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1

InChI key

UCTLRSWJYQTBFZ-DDPQNLDTSA-N

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Biochem/physiol Actions

Down-regulates cholesterol biosynthesis in cultured Smith-Lemi-Opitz syndrome skin fibroblasts.

Linkage

Do not confuse with dihydrocholesterol.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

3

M Satué et al.
Acta biomaterialia, 9(3), 5759-5770 (2012-12-04)
Vitamin D plays a central role in bone regeneration, and its insufficiency has been reported to have profound negative effects on implant osseointegration. The present study aimed to test the in vitro biological effect of titanium (Ti) implants coated with...
P E Jira et al.
Journal of lipid research, 41(8), 1339-1346 (2000-08-18)
The Smith-Lemli-Opitz syndrome (SLOS) is caused by deficient Delta(7)-dehydrocholesterol reductase, which catalyzes the final step of the cholesterol biosynthetic pathway, resulting in low cholesterol and high concentrations of its direct precursors 7-dehydrocholesterol (7DHC) and 8DHC. We hypothesized that i) 7DHC...
Zeljka Korade et al.
Journal of inherited metabolic disease, 36(1), 113-122 (2012-06-22)
7-Dehydrocholesterol (7-DHC) accumulates in tissues and fluids of patients with Smith-Lemli-Opitz syndrome (SLOS), which is caused by mutations in the gene encoding 3β-hydroxysterol-Δ(7)-reductase (DHCR7). We recently reported that 7-DHC is the most reactive lipid molecule toward free radical oxidation (lipid...
B Lehmann et al.
The Journal of investigative dermatology, 117(5), 1179-1185 (2001-11-17)
We have previously shown that keratinocytes in vitro can convert biologically inactive vitamin D3 to the hormone calcitriol (1alpha,25-dihydroxyvitamin D3). This study was initiated to test whether the ultraviolet-B-induced photolysis of provitamin D3 (7-dehydrocholesterol), which results in the formation of...
Michael Lang et al.
Science (New York, N.Y.), 337(6102), 1658-1661 (2012-09-29)
Most living species exploit a limited range of resources. However, little is known about how tight associations build up during evolution between such specialist species and the hosts they use. We examined the dependence of Drosophila pachea on its single...

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