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Merck

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62320

(±)-α-硫辛酸

≥98.0% (HPLC), solid

同義詞:

(±)-1,2-二硫戊环基-3-戊酸, 6,8-二巯基辛酸, DL-α-硫辛酸, DL-6,8-硫辛酸, Lip(S2)

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經驗公式(希爾表示法):
C8H14O2S2
CAS 編號:
分子量::
206.33
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21
EC Number:
214-071-2
MDL number:
Beilstein/REAXYS Number:
81853
Assay:
≥98.0% (HPLC), ≥98.0%
Form:
solid
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產品名稱

(±)-α-硫辛酸, ≥98.0%

Quality Segment

assay

≥98.0% (HPLC), ≥98.0%

form

solid

ign. residue

≤0.1%

loss

≤0.2% loss on drying

bp

>286 °C/1.013 hPa

mp

60-62 °C

solubility

water: 0.87 g/L at 22 °C

density

1.4 g/cm3 at 23 °C

functional group

carboxylic acid, disulfide

storage temp.

2-8°C

SMILES string

[OC(=O)CCCCC1CCSS1], OC(=O)CCCCC1CCSS1

InChI

[1S/C8H14O2S2/c9-8(10)4-2-1-3-7-5-6-11-12-7/h7H,1-6H2,(H,9,10)], 1S/C8H14O2S2/c9-8(10)4-2-1-3-7-5-6-11-12-7/h7H,1-6H2,(H,9,10)

InChI key

[AGBQKNBQESQNJD-UHFFFAOYSA-N], AGBQKNBQESQNJD-UHFFFAOYSA-N

Gene Information

General description

α-硫辛酸(ALA,硫辛酸)是植物、动物和人类体内产生的天然有机硫化合物。它是一种强大的抗氧化剂,在形成核酸(DNA的构建基块)方面发挥作用。

本产品是一种外消旋混合物。

Application

(±)-α-硫辛酸已用于:

  • 体外脂化研究和丙酮酸脱氢酶复合体(PDC)-丙酮酸脱氢酶激酶(PDHK)活性分析。
  • 研究其对于产后砷暴露大鼠小脑发育的影响。

Biochem/physiol Actions

维持酶复合物(例如丙酮酸脱氢酶和甘氨酸脱羧酶的复合物)活性所需的抗氧化剂和辅酶。通过两种或多种酶的作用在细胞内还原外源性硫辛酸。然后,该还原形式通过直接清除自由基、循环利用其他抗氧化剂、增加谷胱甘肽的合成以及调控转录因子(尤其是 NF-κB)的活性而影响许多细胞过程。减少巨噬细胞对髓磷脂的吞噬。
维持酶复合物(例如丙酮酸脱氢酶和甘氨酸脱羧酶)活性所需的抗氧化剂和辅酶。
(±)-α-硫辛酸可直接清除自由基,并能使升高的氧化应激水平下降。此外它还具有助氧化剂活性。αα-硫辛酸可在线粒体α酮酸脱氢酶复合体中发挥重要的辅基作用。它可用作糖尿病远端对称性多发性神经病变的潜力治疗药物。α-硫辛酸还用于治疗能量代谢损伤和氧化还原失衡疾病。


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Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

存儲類別/等級

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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分析證明 (COA)

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Questions

1–3 of 3 Questions  
  1. Can this product be shipped at room temperature?

    1 answer
    1. Yes, this product routinely ships at ambient temperature. However, the recommended long term storage is 2-8°C.

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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

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  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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