(L)-Dehydroascorbic acid

別名: DHA 中文名稱：(L)-脫氫抗壞血酸

目錄號(hào)：S3329 Purity: 99.50%

(L)-Dehydroascorbic acid (DHA) 是一種l-Ascorbic acid (AsA)的氧化形式，其在硫醇的存在下可有效地清除非熱等離子體誘導(dǎo)的羥基自由基，而自身不能清除羥基自由基。

(L)-Dehydroascorbic acid Chemical Structure

CAS: 490-83-5

規(guī)格	價(jià)格	庫存
10mM (1mL in DMSO)	1302.21	現(xiàn)貨
25mg	1220.31	現(xiàn)貨
1g	12039.3	現(xiàn)貨
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產(chǎn)品質(zhì)控

批次：純度： 99.50%

99.50

(L)-Dehydroascorbic acid相關(guān)產(chǎn)品

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生物活性

產(chǎn)品描述	(L)-Dehydroascorbic acid (DHA) 是一種l-Ascorbic acid (AsA)的氧化形式，其在硫醇的存在下可有效地清除非熱等離子體誘導(dǎo)的羥基自由基，而自身不能清除羥基自由基。

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
臨床試驗(yàn)信息 (data from https://clinicaltrials.gov, updated on 2024-05-22)
NCT06274788	Not yet recruiting	Parenteral Nutrition Associated Liver Disease (PNALD)\|Essential Fatty Acid Deficiency\|Malnutrition\|Pediatric ALL	Fresenius Kabi	May 1 2024	Phase 4
NCT06319079	Not yet recruiting	Lactating Mothers\|Infants	Instituto de Desarrollo e Investigaciones Pediátricas Prof. Dr. Fernando E. Viteri	March 2024	Not Applicable

參考文獻(xiàn)
[1]https://pubmed.ncbi.nlm.nih.gov/31153952/

參考文獻(xiàn)

[1]https://pubmed.ncbi.nlm.nih.gov/31153952/

化學(xué)信息&溶解度

分子量	174.11	分子式	C₆H₆O₆
CAS號(hào)	490-83-5	SDF	--
Smiles	OCC(O)C1OC(=O)C(=O)C1=O
儲(chǔ)存條件(自收到貨起)	3年 -20°C 粉狀	儲(chǔ)備液保存和期限建議分裝儲(chǔ)備液，避免反復(fù)凍融！	1年-80°C溶于溶劑
儲(chǔ)存條件(自收到貨起)	3年 -20°C 粉狀	儲(chǔ)備液保存和期限建議分裝儲(chǔ)備液，避免反復(fù)凍融！	1個(gè)月-20°C溶于溶劑

體外溶解度
批次：

DMSO : 35 mg/mL ( (201.02 mM) ；DMSO吸濕會(huì)降低化合物溶解度，請使用新開封DMSO)

Water : Insoluble

Ethanol : Insoluble

DMSO : 35 mg/mL ( (201.02 mM) ；DMSO吸濕會(huì)降低化合物溶解度，請使用新開封DMSO)

Water : Insoluble

Ethanol : Insoluble

摩爾濃度計(jì)算器

體內(nèi)溶解配方批次：現(xiàn)配現(xiàn)用，請按從左到右的順序依次添加，澄清后再加入下一溶劑				動(dòng)物體內(nèi)配方計(jì)算器
均勻懸濁液	CMC-NA	≥5mg/ml	以 1 mL 工作液為例，取 5 mg該產(chǎn)品加到 1 ml CMC-NA 溶液中，混合均勻，即可得工作液濃度為 5 mg/ml的均勻懸濁液。
澄清溶液	5%DMSO 1 Corn oil 該配方已經(jīng)過Selleck實(shí)驗(yàn)室實(shí)測。如果上述溶解方案不能滿足您的需求，可聯(lián)系Selleck銷售提供定制化測試。	1.750mg/ml (10.05mM)	以 1 mL 工作液為例，取50μL35mg/ml的澄清DMSO儲(chǔ)備液加到950μL玉米油中，混合均勻。工作液請現(xiàn)配現(xiàn)用！
澄清溶液	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O 該配方已經(jīng)過Selleck實(shí)驗(yàn)室實(shí)測。如果上述溶解方案不能滿足您的需求，可聯(lián)系Selleck銷售提供定制化測試。	1.750mg/ml (10.05mM)	以 1 mL 工作液為例,取50μL35mg/ml的澄清DMSO儲(chǔ)備液加到400μLPEG300中,混合均勻使其澄清;向上述體系中加入50μLTween80,混合均勻使其澄清;然后繼續(xù)加入500μLddH2O定容至1mL。工作液請現(xiàn)配現(xiàn)用!
均勻懸濁液	CMC-NA	≥5mg/ml	以 1 mL 工作液為例，取 5 mg該產(chǎn)品加到 1 ml CMC-NA 溶液中，混合均勻，即可得工作液濃度為 5 mg/ml的均勻懸濁液。

實(shí)驗(yàn)計(jì)算

摩爾濃度計(jì)算器

質(zhì)量	濃度	體積	分子量
=	×	×

稀釋計(jì)算器分子量計(jì)算器

動(dòng)物體內(nèi)配方計(jì)算器（澄清溶液）

第一步：請輸入基本實(shí)驗(yàn)信息（考慮到實(shí)驗(yàn)過程中的損耗，建議多配一只動(dòng)物的藥量）

給藥劑量 mg/kg 動(dòng)物平均體重 g 每只動(dòng)物給藥體積 μL 動(dòng)物數(shù)量只

第二步：請輸入動(dòng)物體內(nèi)配方組成（配方適用于不溶于水的藥物；不同批次藥物配方比例不同，請聯(lián)系Selleck為您提供正確的澄清溶液配方）

% DMSO + % + % Tween 80 + % ddH2O

%DMSO+ %

計(jì)算結(jié)果：

工作液濃度： mg/ml；

DMSO母液配制方法： mg 藥物溶于μL DMSO溶液（母液濃度mg/mL，注：如該濃度超過該批次藥物DMSO溶解度，請先聯(lián)系Selleck）；

體內(nèi)配方配制方法：取μL DMSO母液，加入μL PEG300，混勻澄清后加入μL Tween 80，混勻澄清后加入μL ddH₂O，混勻澄清。

體內(nèi)配方配制方法：取μL DMSO母液，加入μL Corn oil，混勻澄清。

注意：1. 首先保證母液是澄清的；
2.一定要按照順序依次將溶劑加入，進(jìn)行下一步操作之前必須保證上一步操作得到的是澄清的溶液，可采用渦旋、超聲或水浴加熱等物理方法助溶。

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