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/449/386/product-dating-information-mk.pdf
L8912
L-亮氨酸
98.5-101.0%, suitable for cell culture, non-animal source, meets EP, JP, USP testing specifications
别名:
(S)-亮氨酸, (S)-2-氨基-4-甲基戊酸
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About This Item
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产品名称
L-亮氨酸, from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0%
生物来源
non-animal source
质量水平
Agency
USP/NF
meets EP testing specifications
meets JP testing specifications
meets USP testing specifications
方案
98.5-101.0%
表单
powder
旋光性
[α]20/D 14.9 to 16.0°, c = 4 in 6 M HCl
[α]25/D 14.9 to 17.3 °, c = 4 in 6 M HCl
质量
meets EP, JP, USP testing specifications
技术
cell culture | mammalian: suitable
杂质
endotoxin, tested
颜色
white
mp
>300 °C (lit.)
溶解性
1 M HCl: 50 mg/mL
痕量阳离子
As: ≤1 ppm
Fe: ≤10 ppm
NH4+: <0.02%
heavy metals: ≤10 ppm
应用
peptide synthesis
pharmaceutical (small molecule)
官能团
amine
carboxylic acid
储存温度
room temp
SMILES字符串
CC(C)C[C@H](N)C(O)=O
InChI
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
InChI key
ROHFNLRQFUQHCH-YFKPBYRVSA-N
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一般描述
生化/生理作用
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
历史批次信息供参考:
分析证书(COA)
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Chromatograms
application for HPLC-
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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