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
H54409
trans-4-Hydroxy-L-proline
≥99%, for peptide synthesis
Synonym(s):
(2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid, Hyp
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 2.5 g | Available to ship TODAYfromMILWAUKEE | $43.90 | |
| 10 g | Available to ship TODAYfromMILWAUKEE | $71.60 | |
| 25 g | Available to ship TODAYfromMILWAUKEE | $95.50 | |
| 100 g | Available to ship TODAYfromMILWAUKEE | $246.00 |
About This Item
$43.90
Available to ship TODAYDetails
Product Name
trans-4-Hydroxy-L-proline, ≥99%
Quality Level
assay
≥99%
form
crystalline powder
optical activity
[α]25/D −75.6°, c = 1 in H2O
reaction suitability
reaction type: solution phase peptide synthesis
color
white to off-white
mp
273 °C (dec.) (lit.)
application(s)
peptide synthesis
SMILES string
O[C@H]1CN[C@@H](C1)C(O)=O
InChI
1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9)/t3-,4+/m1/s1
InChI key
PMMYEEVYMWASQN-DMTCNVIQSA-N
General description
Application
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| form crystalline powder | form solid | form - | form solid |
| assay ≥99% | assay ≥99.0% (NT) | assay - | assay 97% |
| color white to off-white | color colorless to white | color - | color - |
| mp 273 °C (dec.) (lit.) | mp 273 °C (dec.) (lit.) | mp 273 °C (dec.) (lit.) | mp 146 °C (D) (lit.) |
| Quality Level 200 | Quality Level 100 | Quality Level 300 | Quality Level 100 |
| optical activity [α]25/D −75.6°, c = 1 in H2O | optical activity [α]20/D −76.0±1.5°, c = 5% in H2O | optical activity - | optical activity [α]20/D -50.0±3°, c = 0.67 in methanol |
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Storage Class
11 - Combustible Solids
wgk
WGK 1
ppe
Eyeshields, Gloves, type N95 (US)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| H54409-100G | 04061833799413 |
| H54409-25G | 04061833799444 |
| H54409-2.5G | 04061833799437 |
| H54409-10G | 04061833799420 |
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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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Guten Tag, ist der Stoff zur äußerlichen und innerlichen Anwendung geeignet?
1 answer-
Unless otherwise stated this product is intended for research use only and is not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses, or any type of consumption or application to humans or animals.
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