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
D8130
5,5′-ジチオビス(2-ニトロ安息香酸)
≥98%, BioReagent, suitable for determination of sulfhydryl groups
別名:
3-カルボキシ-4-ニトロフェニルジスルフィド, 6,6′-ジニトロ-3,3′-ジチオジ安息香酸, DTNB, Ellman試薬, ビス(3-カルボキシ-4-ニトロフェニル)ジスルフィド
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About This Item
おすすめの製品
製品種目
BioReagent
品質水準
アッセイ
≥98%
フォーム
powder
mp
240-245 °C (dec.) (lit.)
適合性
suitable for determination of sulfhydryl groups
SMILES記法
OC(=O)c1cc(SSc2ccc(c(c2)C(O)=O)[N+]([O-])=O)ccc1[N+]([O-])=O
InChI
1S/C14H8N2O8S2/c17-13(18)9-5-7(1-3-11(9)15(21)22)25-26-8-2-4-12(16(23)24)10(6-8)14(19)20/h1-6H,(H,17,18)(H,19,20)
InChI Key
KIUMMUBSPKGMOY-UHFFFAOYSA-N
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詳細
アプリケーション
保管分類コード
11 - Combustible Solids
WGK
WGK 3
引火点(°F)
Not applicable
引火点(℃)
Not applicable
個人用保護具 (PPE)
dust mask type N95 (US), Eyeshields, Gloves
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
消防法
第5類:自己反応性物質
ニトロ化合物
危険等級II
第二種自己反応性物質
Jan Code
D8130-50MG:
D8130-1G:
D8130-4MG-KC:
D8130-50MG-KC:
D8130-VAR:
D8130-10G:
D8130-4MG:
D8130-5G:
D8130-25G:
D8130-150MG:
D8130-8MG:
D8130-150MG-KC:
D8130-BULK:
D8130-500MG:
D8130-100G:
D8130-8MG-KC:
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試験成績書（COA）
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プロトコル
To measure chloramphenicol acetyltransferase activity, this procedure uses DTNB and coenzyme A. The reaction of DTNB with the –SH group on CoA results in a colorimetric increase at 412 nm.
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How can I determine the shelf life / expiration / retest date of this product?
1 回答-
役に立ちましたか？
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 回答-
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
役に立ちましたか？
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To dissolve DTNB which alcohol should use?
1 回答-
This product is tested for solubility in Ethanol at 10 mg/mL. Solutions may also be prepared at 5mM in 100 mM sodium or potassium phosphate buffer, pH 7.2, containing 0.1 mM EDTA. Please see the link below to review the entire product datasheet for additional information:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/414/707/d8130pis.pdf役に立ちましたか？
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what is the storage temperature for this chemical
1 回答-
This product can be stored at room temperature.
役に立ちましたか？
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アクティブなフィルタ
ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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