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原兒茶酸/3,4-二羥基苯甲酸

protocatechuic acid

產(chǎn)品編號:WKQ-0000697 CAS No.:99-50-3 純度:HPLC≥98% 分子式:C7H6O4
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  • 基礎(chǔ)信息
  • 產(chǎn)品詳情
  • 相關(guān)文獻
基本信息
英文名稱 protocatechuic acid
中文名稱原兒茶酸/3,4-二羥基苯甲酸
CAS號99-50-3
分子式C7H6O4
分子量154.12
外觀 白色粉末
熔點194 °C
沸點410.7±35.0 °C | Condition: Press: 760 Torr
酸度系數(shù)pKa4.45±0.10 | Condition: Most Acidic Temp: 25 °C
產(chǎn)品詳情

WKQ-0000697

中文名稱:原兒茶酸

中文別名:3,4-二羥基苯甲酸

英文名稱:protocatechuic acid

英文別名:Protocatechuic acid (8CI);3,4-Dihydroxybenzoic acid;1,2-Dihydroxybenzene-4-carboxylic acid;4,5-Dihydroxybenzoic acid;4-Carboxy-1,2-dihydroxybenzene;NSC 16631;Protocatechoic acid;

分子式:C7H6O4

分子量:154.12

CAS號:99-50-3

純度:HPLC≥98%

熔點:194 °C

沸點:410.7±35.0 °C | Condition: Press: 760 Torr

密度:1.559±0.06 g/cm3 | Condition: Temp: 20 °C Press: 760 Torr

酸系度數(shù):4.45±0.10 | Condition: Most Acidic Temp: 25 °C

儲存條件:-20℃,干燥、避光、密封

規(guī)格:5mg10mg20mg50mg100mg500mg1g2g等應(yīng)客戶需求包裝

供應(yīng)單位:四川省維克奇生物科技有限公司

供應(yīng)電話:028-81700200/4008005713

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相關(guān)文獻
Simultaneous quantification of fourteen characteristic active compounds in Eucommia ulmoides Oliver and its tea product by ultra-high performance liquid chromatography coupled with triple quadrupole mass spectrometry (UPLC-QqQ-MS/MS)
來源:SCI:FOOD CHEMISTRY 作者:Xin-Yue Li 備注:影響因子:7.514
引用描述

Aucubin, geniposidic acid, protocatechuic acid, chlorogenic acid, caffeic acid, geniposide, pinoresinol diglucoside, genipin, ferulic acid, liriodendrin, rutin, syringaresinol, quercetin, kaempferol from Weikeqi Biological Technology Co., Ltd. (Chengdu, China). All standards were identified with the purity higher than 98%. Methanol and formic acid of UPLC-MS grade were supplied by Fisher Scientific (Geel, Belglum).

A sustainable and integrated natural surfactant mediated microwave-assisted extraction technique enhances the extraction of phytochemicals from plants
來源:SCI:INDUSTRIAL CROPS AND PRODUCTS 作者:Zelin Wang 備注:影響因子:5.645
引用描述

The standards of eleutheroside E, protocatechuic acid, isofraxidin, chlorogenic acid and eleutheroside B were obtained from Sichuan Weikeqi-Biotech Co., Ltd., and their purities were all ≥ 98%. Millipore Milli-Q Water Purification system was utilized to produce deionized water (at a resistance of 18.25 MX) for HPLC. The absolute ethyl alcohol was provided by Tianli Chemical Reagent Co.,Ltd.

Leaf and Flower Extracts of Six Michelia L.: Polyphenolic Composition, Antioxidant, Antibacterial Activities and in Vitro Inhibition of α-Amylase and α-Glucosidase
來源:SCI:CHEMISTRY & BIODIVERSITY 作者:Tianzhu Liao 備注:影響因子:2.408
引用描述

Folin-Ciocalteureagent,gallic acid, catechinand otherpolyphenolicstandardswere purchasedfrom SichuanWeikeqiBiologicalTechnologyCo., Ltd. (China).1,1-Diphenyl-2-picrylhydrazyl(DPPH),2,2’-azinobis(3-ethyl-benzothiazoline-6-sulfonicacid)diammoniumsalt(ABTS),2,4,6-tris(2-pyridyl)-s-triazine(TPTZ),trolox,α-amylase,α-glucosidaseand 4-nitrophenyl-α-D-gluco-pyranoside(α-PNPG)wereobtainedfromSigma–Aldrich(USA).

Novel Green Three-Constituent Natural Deep Eutectic Solvent Enhances Biomass Extraction from Acanthopanax senticosus and the Extraction Mechanism
來源:SCI:ACS Sustainable Chemistry & Engineering 作者:Hong_yi Pan 備注:影響因子:8.198
引用描述

The standards of isofraxidin, eleutheroside E,

eleutheroside B, protocatechuic acid, chlorogenic acid, and ursolic

acid were all obtained from Sichuan Weikeqi-Biotech Co., Ltd.

(Chengdu, China), and the purity was ≥98%. Macroporous resins

such as NKA-9, D101, HPD-400, ADS-17, and AB-8 were obtained

by Nankai Hecheng S&T (Tianjin, China).


Pi-Dan-Jian-Qing Decoction Ameliorates Type 2 Diabetes Mellitus Through Regulating the Gut Microbiota and Serum Metabolism
來源:SCI:Frontiers in Cellular and Infection Microbiology 作者:Xie Xuehua 備注:影響因子:5.293
引用描述

enzyme-linked immunosorbent assay (ELISA) kit was obtained from Multi Science Biotechnology Co., Ltd. (Hangzhou, China). Reference standards of astragaloside, heterophyllin B, atractylodin, harpagide, berberine, baicalin, puerarin, quercetin, protocatechuic acid and tanshinone II A were obtained from Sichuan Weikeqi Biological Technology Co., Ltd. (Sichuan, China).

Two phenolic antioxidants in Suoyang enhance viability of ?OH-damaged mesenchymal stem cells: comparison and mechanistic chemistry
來源:SCI:Chemistry Central Journal 作者:Yulu Xie 備注:影響因子:4.215
引用描述

Luteolin-7-O-β-D-glucoside (CAS 68321-11-9, 98%), protocatechuic acid (CAS 99-50-3, 98%), catechin (CAS 154-23-4, 98%), epicatechin (CAS 18829-70-4, 98%), naringenin (CAS 480-41-1, 98%), isoquercitrin (CAS 482-35-9, 98%), and phlorizin (CAS 60-81-1, 98%) were purchased from Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Gallic acid (CAS 149-91-7, 98%) was purchased from Shanghai Aladdin Chemistry Co., Ltd. (Shanghai, China)

Comparative assessment of phytochemical profiles, antioxidant and antiproliferative activities of Sea buckthorn (Hippophaë rhamnoides L.) berries
來源:SCI:FOOD CHEMISTRY 作者:Ruixue Guo 備注:影響因子:4.052
引用描述

Quercetin (QE), gallic acid (GA), Folin-Ciocalteu reagent, 2,2′-azobis-amidinopropane (ABAP), and dichlorofluorescin diacetate (DCFH-DA) were purchased from Sigma-Aldrich Inc. (St. Louis, USA). Protocatechuic acid (PA), ferulic acid (FA), epicathin (Epi), catechin (CE), QE glycosides, isorhamnetin (IS) glycosides and kaempferol (KA) glycosides were purchased from Weikeqi Biological (Chengdu, China). Human liver cancer cells HepG2 were purchased from American Type Culture Collection (ATCC, Manassas, VA, USA).

Identification of prototypes from Ligustri Lucidi Fructus in rat plasma based on a data-dependent acquisition and multicomponent pharmacokinetic study
來源:SCI:BIOMEDICAL CHROMATOGRAPHY 作者:Yucheng Wang 備注:影響因子:1.728
引用描述

Reference compounds, comprising specnuezhenide, oleuropein, nuezhenidic acid, ligustroflavone, G13, oleoside 11-methyl ester, tyrosol, hydroxytyrosol, salidroside, acteoside, protocatechuic acid, galuteolin, apigenin, quercitrin, rutin, luteolin, quercetin, oleanolic acid, ursolic acid, betulin, emodinmonomethyl ether, 3β-O-acetylpomolic acid, oleonuezhenide, 6′-O-trans-cinnamoyl-8-epikingisidic acid, ligulucidumoside A, ligulucidumoside C, oleuropeinic acid, echinacoside, 3β-O-acetylpomolic acid, oleonuezhenide, 6′-O-trans-cinnamoyl-8-epikingisidic acid, ligulucidumoside A, ligulucidumoside C and geniposide (purity ≥98%), were provided by Yifang S&T Co. Ltd (Tianjin, China), the National Institutes for Food and Drug Control and Sichuan Weikeqi Pharmaceutical Technology Co. Ltd. Methanol and acetonitrile (chromatographic purity) were obtained from Fisher Scientific (Fair Lawn, NJ, USA). The Milli-Q water purification system (Millipore, Bedford, MA, USA) was used to produce Ultrapure-water. All reagents were analytical grade.

Embelia Laeta aqueous extract suppresses acute inflammation via decreasing COX-2/iNOS expression and inhibiting NF-κB pathway
來源:SCI:JOURNAL OF ETHNOPHARMACOLOGY 作者:Zhongmin Zhang 備注:影響因子:4.36
引用描述

Indomethacin (Indo) was purchased from Shanxi Yun-Peng Pharmaceutical. Co., Ltd. (China). The reference standard of gallic acid (>98% purity, wkq20010905), protocatechuic acid (>98% purity, wkq20020706), catechin (>98% purity, wkq20021707), epicatechin (>98% purity, wkq20012203), rutin (>98% purity, wkq20030203) were purchased from Sichuan Weikeqi Biotechnology Co., Ltd. (China). All other reagents were of analytical purity grade or better.

A UPLC-MS Method for Simultaneous Determination of Geniposidic Acid, Two Lignans and Phenolics in Rat Plasma and its Application to Pharmacokinetic Studies of Eucommia ulmoides Extract in Rats
來源:SCI:EUROPEAN JOURNAL OF DRUG METABOLISM AND PHARMACOKINETICS 作者:Li, Yongjun 備注:影響因子:1.563
引用描述

The reference standards of geniposidic acid (GA) and

protocatechutic acid (PCA) (purity of 98 %) were purchased from the Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Standard pinoresinol

di-O-b-D-glucopyranoside (PDG) was purchased from the

Shanghai Shunbo Biological Technology Co


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