If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
R7632
Retinol
synthetic, ≥95% (HPLC), (Powder or Powder with Lumps)
Synonym(s):
Axerophthol, Vitamin A, Vitamin A alcohol, Vitamin A1, all-trans-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol
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About This Item
Recommended Products
biological source
synthetic
Quality Level
assay
≥95% (HPLC)
form
(Powder or Powder with Lumps)
specific activity
~2700 U/mg
technique(s)
HPLC: suitable
color
yellow to very dark yellow, to Very Dark Orange
mp
61-63 °C (lit.)
shipped in
dry ice
storage temp.
−20°C
SMILES string
CC1(C)C(/C=C/C(C)=C/C=C/C(C)=C/CO)=C(C)CCC1
InChI
1S/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
InChI key
FPIPGXGPPPQFEQ-OVSJKPMPSA-N
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General description
Application
- for the synthesis of all-trans-retinoic acid in HepG2 cells[2]
- to study the effect of retinol on the growth of murine normal colonic cells cultured as organoids[3]
- as a standard for determination of vitamin A in cells[4]
- as a component of chemically defined medium for testis organ culture and spermatogenesis in vitro.[5]
Biochem/physiol Actions
Packaging
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 4 - Eye Irrit. 2 - Repr. 1B - Skin Sens. 1
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk_germany
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Protocols
Separation of δ-Tocopherol, analytical standard; Retinyl acetate; (+)-γ-Tocopherol; α-Tocopherol, ≥95.5%; Retinol; Vitamin A (acetate), meets USP testing specifications.
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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