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Merck

R5754

9-cis-Retinal

vitamin A analog

Sinónimos:

Vitamin A aldehyde

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About This Item

Fórmula empírica (notación de Hill):
C20H28O
Número CAS:
Peso molecular:
284.44
NACRES:
NA.28
PubChem Substance ID:
UNSPSC Code:
12352205
EC Number:
208-188-8
MDL number:

Nombre del producto

9-cis-Retinal, vitamin A analog

InChI key

NCYCYZXNIZJOKI-MKOSUFFBSA-N

InChI

1S/C20H28O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,15H,7,10,14H2,1-5H3/b9-6+,12-11+,16-8-,17-13+

SMILES string

CC(=C\C=O)/C=C/C=C(C)\C=C\C1=C(C)CCCC1(C)C

assay

≥95% (HPLC)

form

powder

technique(s)

HPLC: suitable

color

yellow to yellow-orange

mp

56-58 °C (lit.)

shipped in

dry ice

storage temp.

−20°C

Quality Level

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Application

9-cis-Retinal has been used for visual pigment regeneration.

Biochem/physiol Actions

Retinal, retinol and retinoic acid are the aldehyde, alcohol and acid forms of vitamin A. The retinoids exist as many geometric isomers due to the unsaturated bonds in the aliphatic chain.
9-cis retinal is a natural ligand (chromophore) of the vertebrate rod visual pigment. 9-cis retinal is used in studies on the mechanisms of visual function.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Skin Irrit. 2

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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A Cambrian origin for vertebrate rods
Sabrina A, et al.
eLife, 4 (2015)
L Xu et al.
Current opinion in genetics & development, 9(2), 140-147 (1999-05-14)
The nuclear hormone receptors constitute a large family of transcription factors. The binding of the hormonal ligands induces nuclear receptors to assume a configuration that leads to transcriptional activation. Recent studies of retinoic acid and thyroid hormone receptors revealed that
Ching-Ju Tsai et al.
Science advances, 4(9), eaat7052-eaat7052 (2018-09-27)
Selective coupling of G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptors (GPCRs) to specific Gα-protein subtypes is critical to transform extracellular signals, carried by natural ligands and clinical drugs, into cellular responses. At the center of this transduction event lies the
Vladimir J Kefalov et al.
Neuron, 46(6), 879-890 (2005-06-15)
Retinal rod and cone pigments consist of an apoprotein, opsin, covalently linked to a chromophore, 11-cis retinal. Here we demonstrate that the formation of the covalent bond between opsin and 11-cis retinal is reversible in darkness in amphibian red cones
Yuanyuan Chen et al.
Nature communications, 9(1), 1976-1976 (2018-05-19)
Rhodopsin homeostasis is tightly coupled to rod photoreceptor cell survival and vision. Mutations resulting in the misfolding of rhodopsin can lead to autosomal dominant retinitis pigmentosa (adRP), a progressive retinal degeneration that currently is untreatable. Using a cell-based high-throughput screen

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