The solubility of this material is tested in Chloroform at 20 mg/mL. Other solvents include ethanol, DMSO, and dimethylformamide at a lower rate. The solution stability has not been investigated. However, other sources report that solutions stored in solvent at -20°C to -80°C are stable for up to 6 months.
H9384
22(R)-Hydroxycholesterol
≥98%
Sinónimos:
22α-Hydroxycholesterol, 5-Cholestene-3β,22(R)-diol, 5-Cholestene-3β,22[R]-diol
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Fórmula empírica (notación de Hill):
C27H46O2
Número CAS:
Peso molecular:
402.65
UNSPSC Code:
12352211
eCl@ss:
39023139
PubChem Substance ID:
NACRES:
NA.77
MDL number:
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Servicio técnico
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Permítanos ayudarleQuality Segment
assay
≥98%
form
powder
shipped in
ambient
storage temp.
room temp
SMILES string
[H][C@@]12CC=C3C[C@@H](O)CC[C@]3(C)[C@@]1([H])CC[C@]4(C)[C@H](CC[C@@]24[H])[C@H](C)[C@H](O)CCC(C)C
InChI
1S/C27H46O2/c1-17(2)6-11-25(29)18(3)22-9-10-23-21-8-7-19-16-20(28)12-14-26(19,4)24(21)13-15-27(22,23)5/h7,17-18,20-25,28-29H,6,8-16H2,1-5H3/t18-,20-,21-,22+,23-,24-,25+,26-,27+/m0/s1
InChI key
RZPAXNJLEKLXNO-GFKLAVDKSA-N
Application
Biochem/physiol Actions
22(R)-Hydroxycholesterol is an intermediate of the pregnenolone synthesis pathway from cholesterol. It reported has neuroprotective properties and protects the neurons against β-amyloid-induced cell death.[4] 22(R)-Hydroxycholesterol acts as the ligand of liver X receptors that act as sensors of sterol concentration and regulates the fatty acid metabolism.[5]
Preparation Note
22(R)-Hydroxycholesterol yield clear, colorless solution in chloroform.
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Este artículo | |||
|---|---|---|---|
| assay ≥98% | assay ≥98% (TLC) | assay ≥98% | assay ≥95% |
| storage temp. room temp | storage temp. room temp | storage temp. room temp | storage temp. room temp |
| form powder | form powder | form powder | form powder |
| shipped in ambient | shipped in ambient | shipped in ambient | shipped in ambient |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
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Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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What is the storage recommendation for this product once reconstituted?
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is product H9384, 22(R)-Hydroxycholesterol, soluble in?
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Product H9384, 22(R)-Hydroxycholesterol, is reported to be soluble in chloroform (20mg/ml), absolute ethanol (20mg/ml), DMSO (0.1mg/ml) and dimethylformamide (2mg/ml). Sigma-Aldrich tests solubility of this compound in chloroform at a concentration of 20mg/ml.
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How does the storage temperature relate to shipping conditions?
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The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment.
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