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
P0380
L-Proline
≥99% (HPLC), ReagentPlus®
Synonym(s):
(S)-Pyrrolidine-2-carboxylic acid
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Product Name
L-Proline, ReagentPlus®, ≥99% (HPLC)
Quality Level
product line
ReagentPlus®
Assay
≥99% (HPLC)
form
powder
impurities
L-Hydroxyproline, free
color
white
mp
228 °C (dec.) (lit.)
application(s)
detection
SMILES string
OC(=O)[C@@H]1CCCN1
InChI
1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1
InChI key
ONIBWKKTOPOVIA-BYPYZUCNSA-N
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This Item | P5607 | 93693 | 1568506 |
|---|---|---|---|
| form powder | form powder | form - | form - |
| assay ≥99% (HPLC) | assay 98.5-101.0% dry basis | assay - | assay - |
| product line ReagentPlus® | product line - | product line TraceCERT® | product line - |
| impurities L-Hydroxyproline, free | impurities endotoxin, tested | impurities - | impurities - |
| color white | color white | color white | color - |
| Quality Level 200 | Quality Level 300 | Quality Level 300 | Quality Level - |
Application
Legal Information
used together
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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Chromatograms
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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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The CoA says Purity by HPLC. How was this obtained? Type of chromatography, column, detection? Important information considering Proline's high polarity and lack of chromophores.
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Regrettably, the analytical methods for this product are considered proprietary. However, this material is analyzed by reverse phase HPLC. Samples are derivatized and detection is at 260 nm.
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