For Sigma-Aldrich products where long-term storage is advised as freezer, our labels indicate -20C. Typically freezer facilities that are used to store these products are thermostatically temperature controlled to within -10 to -25 C. This matches the recommended range indicated in the USP as freezer.
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| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
25 mg | Per conoscere la disponibilità, visualizza il carrello | CHF 72.70 |
100 mg | Per conoscere la disponibilità, visualizza il carrello | CHF 105.00 |
250 mg | Per conoscere la disponibilità, visualizza il carrello | CHF 219.00 |
500 mg | Per conoscere la disponibilità, visualizza il carrello | CHF 311.00 |
1 g | Per conoscere la disponibilità, visualizza il carrello | CHF 494.00 |
Informazioni su questo articolo
biological source
synthetic
Quality Segment
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
General description
Application
- per la sintesi dell′acido retinoico completamente transin cellule HepG2
- per studiare l′effetto del retinolo sulla crescita di normali colonie di celle coltivate come organoidi
- come standard per la determinazione di vitamina A nelle cellule
- come un componente di un terreno chimicamente definito per la coltura di organi testicolari e spermatogenesi in vitro.
Biochem/physiol Actions
Packaging
1 of 1
Questo articolo | |||
|---|---|---|---|
| assay ≥95% (HPLC) | assay ≥95.0% (HPLC) | assay ≥97.5% (HPLC) | assay ≥95% (HPLC) |
| biological source synthetic | biological source synthetic | biological source synthetic | biological source - |
| technique(s) HPLC: suitable | technique(s) - | technique(s) - | technique(s) HPLC: suitable |
| shipped in dry ice | shipped in dry ice | shipped in dry ice | shipped in dry ice |
| form (Powder or Powder with Lumps) | form (Powder or Crystal with Lumps) | form (Powder or Powder with Lumps) | form powder |
| storage temp. −20°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
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signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 4 - Eye Irrit. 2 - Repr. 1B - Skin Sens. 1
Classe di stoccaggio
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Gloves
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The certificate specifies a storage temperature of -20°C; are there any criteria for temperatures above or below that temperature?
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Is the exact weight of the substance defined in the certificate? If the answer is no, can you determine/guarantee a deviation range of the the item weight?
1 answer-
The overfill tolerance for this product varies depending on the pack size. For 25 mg, the overfill tolerance is +1.0 mg. For 100 mg, the overfill tolerance is +5 mg. For 250 mg, the overfill tolerance is +10 mg. For 500 mg, the overfill tolerance is +25 mg. For 1 g, the overfill tolerance is +0.05 g.
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How can I determine the shelf life / expiration / retest date of this product?
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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/418/501/product-dating-information-06-25-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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