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
V0500
L-Valine
≥98% (HPLC), suitable for thin layer chromatography (TLC)
Synonyma:
(S)-α-Aminoisovaleric acid, L-2-Amino-3-methylbutanoic acid
Vybrat velikost
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 1 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 831,00 Kč | |
| 25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 730,00 Kč | |
| 100 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 2 660,00 Kč | |
| 500 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 9 540,00 Kč | |
| 1 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 16 000,00 Kč |
O této položce
831,00 Kč
Název produktu
L-Valine, reagent grade, ≥98% (HPLC)
grade
reagent grade
Quality Segment
assay
≥98% (HPLC)
form
powder
technique(s)
thin layer chromatography (TLC): suitable
color
white
mp
295-300 °C (subl.) (lit.)
solubility
H2O: 50 mg/mL, clear, colorless
SMILES string
CC(C)[C@H](N)C(O)=O
InChI
1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1
InChI key
KZSNJWFQEVHDMF-BYPYZUCNSA-N
Application
- L-Valine has been used as a standard in thin layer chromatography.
- It has been used as a supplement in Grace′s antheraea medium for the culture of cells and tissue from invertebrates.
- It has been used in the preparation of starvation media to study the role of relA gene in antibiotic resistance in E. coli.
Biochem/physiol Actions
1 of 1
Tato položka | |||
|---|---|---|---|
| form powder | form powder | form - | form - |
| grade reagent grade | grade - | grade certified reference material, TraceCERT® | grade pharmaceutical primary standard |
| assay ≥98% (HPLC) | assay 98.5-101.0% | assay - | assay - |
| technique(s) thin layer chromatography (TLC): suitable | technique(s) cell culture | mammalian: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - |
| Quality Level 200 | Quality Level 300 | Quality Level 300 | Quality Level - |
| solubility H2O: 50 mg/mL, clear, colorless | solubility H2O: 25 mg/mL | solubility - | solubility - |
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Skladovací třída
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Související obsah
Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| V0500-500G | 04061835364268 |
| V0500-1G | 04061837428944 |
| V0500-25G | 04061835364251 |
| V0500-1G-KC | 04061823876797 |
| V0500-1KG | 04061835364244 |
| V0500-100G | 04061835364237 |
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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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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