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.pdf
Fortfahren mit
D0501
4-Desoxypyridoxin -hydrochlorid
analytical standard
Über diesen Artikel
biological source
synthetic (organic)
Quality Level
grade
analytical standard
assay
≥98%
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
color
white to yellow
mp
263-265 °C
application(s)
forensics and toxicology
veterinary
vitamins, nutraceuticals, and natural products
format
neat
storage temp.
−20°C
SMILES string
Cl.Cc1ncc(CO)c(C)c1O
InChI
1S/C8H11NO2.ClH/c1-5-7(4-10)3-9-6(2)8(5)11;/h3,10-11H,4H2,1-2H3;1H
InChI key
QZKKOQQIVLXUEI-UHFFFAOYSA-N
General description
Application
- Entwicklung eines Umkehrphase-Hochleistungsflüssigkeitschromatografie-Verfahrens (RP-HPLC) kombiniert mit einem Massenspektrometrie-Nachweis (MS) für die Verunreinigungsanalyse des Arzneimittels Metadoxin.
- Als interner Standard für die an UV, Massenspektrometrie und Fluoreszenznachweis gekoppelte Ultra- und Hochleistungsflüssigkeitschromatografieanalyse von Pyridoxin in Proben von Multivitamintabletten.
Other Notes
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| application(s) forensics and toxicology | application(s) forensics and toxicology | application(s) pharmaceutical (small molecule) | application(s) vitamins, nutraceuticals, and natural products |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| format neat | format neat | format neat | format neat |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| assay ≥98% | assay ≥95% | assay - | assay ≥98% |
Lagerklasse
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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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?
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
Helpful?
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For product D0501, storage conditions are -20C. What are the shipping conditions, is it a room temperature, or is is shipped with ice, or other cold container?
1 answer-
This product is shipped in ambient temperature. Once the product arrives to the address on the order, it is to be stored at −20°C by the end-user. Please view this link for more information on Storage and Transport Conditions: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/232/426/storage-transport-conditions-ms.pdf.
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