英文名称 | Isochlorogenic acid C |
---|---|
中文名称 | 异绿原酸C/4,5-二咖啡酰奎宁酸/4,5-二-O-咖啡酰奎宁酸 |
CAS号 | 32451-88-0 |
分子式 | C25H24O12 |
分子量 | 516.45 |
熔点 | - |
沸点 | 810.8±65.0 °C | Condition: Press: 760 Torr |
酸度系数pKa | 3.70±0.50 | Condition: Most Acidic Temp: 25 °C |
英文名称 | Isochlorogenic acid C |
---|---|
中文名称 | 异绿原酸C/4,5-二咖啡酰奎宁酸/4,5-二-O-咖啡酰奎宁酸 |
CAS号 | 32451-88-0 |
分子式 | C25H24O12 |
分子量 | 516.45 |
熔点 | - |
沸点 | 810.8±65.0 °C | Condition: Press: 760 Torr |
酸度系数pKa | 3.70±0.50 | Condition: Most Acidic Temp: 25 °C |
Chemical fingerprint analysis and identification of Dendranthema lavandulifolium buds | ||
来源:SCI:INDUSTRIAL CROPS AND PRODUCTS | 作者:Xinfeng Zhang | 备注:影响因子:3.849 |
引用描述 | ||
All other chemicals and extraction solvents used were of analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd. (Beijing, China). Ten chemical standards were purchased from Weikeqi Biological Technology Co, Ltd. (Sichuan, China), including chlorogenic acid (3-CQA), cryptochlorogenic acid (4-CQA), neochlorogenic acid (5-CQA), isochlorogenic acid A (3,5-diCQA), isochlorogenic acid B (3,4-diCQA), isochlorogenic acid C (4, 5-diCQA), eriodictyol-7-O-β-d-glucoside, luteolin-7-O-β-d-glucoside, 5, 7, 4′-trihydroxy-6, 3′, 5′-trimethoxyflavone, eupatilin (purity ≥ 99%). In addition, eriodictyol-7-O-β-d-glucuronide was isolated and purified from Jumi in the laboratory (>98%). All of the stock and working standard solutions were stored at 4 °C until used for the experiments. |
Chemical Profiling and Comparison of Sangju Ganmao Tablet and Its Component Herbs Using Two-Dimensional Liquid Chromatography to Explore Compatibility Mechanism of Herbs | ||
来源:SCI:Frontiers in Pharmacology | 作者:Ji Shuai | 备注:影响因子:3.831 |
引用描述 | ||
The reference standards of isorhmnetin (3), diosmetin (6), isochlorogenic acid A (7), kaempferol (10), quercetin (14), isochlorogenic acid C (15), apigenin (19), forsythin (20), chlorogenic acid (23), liquiritin (25), luteolin-7-O-glucoside (26), astragalin (28), luteolin (29), buddleoside (31), quercetin-3-O-glucoside (33), amygdalin (37), caffeic acid (38), forsythoside A (39), glycyrrhizic acid (40), ferulic acid (42), rutin (44), hyperoside (50), and platycodin D (51) were purchased from Sichuan Weikeqi Biological Technology, Co., Ltd. (Chengdu, China). Mulberry leaf, chrysanthemum, Fructus Forsythiae, licorice, Semen Armeniacae Amarum, Platycodi Radix and Phragmitis Rhizoma |
Multi-Component Analysis of Ilex Kudingcha C. J. Tseng by a Single Marker Quantification Method and Chemometric Discrimination of HPLC Fingerprints | ||
来源:SCI:MOLECULES | 作者:Huan Yi | 备注:影响因子:3.098 |
引用描述 | ||
Tseng and their structures were fully characterized by chemical and spectroscopic methods. The other standards, namely protocatechuic acid (3,4-DA, R3), rutin (R4), neochlorogenic acid (5-CQA, C1), chlorogenic acid (3-CQA, C2), cryptochlorogenic acid (4-CQA, C3), caffeic acid (CA, C4), isochlorogenic acid B (3,4-CQA, C5), isochlorogenic acid A (3,5-CQA, C6) and isochlorogenic acid C (4,5-CQA, C7) were purchased from the National Institute for Food and Drug Control (Beijing, China) or Sichuan Weikeqi Biological Technology Co., Ltd. (Qingjiang, Zhonglu, China) Purity analysis proved to be above 98% by HPLC, and their chemical structures are listed in Figure 7. |
Simultaneous qualitative and quantitative evaluation of Ilex kudingcha C. J. tseng by using UPLC and UHPLC-qTOF-MS/MS | ||
来源:SCI:JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS | 作者:Jie Zhou | 备注:影响因子:2.831 |
引用描述 | ||
purchased from National Institute for Food and Drug Control (Beijing, China). Neochlorogenic acid (5-CQA, C1), cryptochlorogenic acid (4-CQA, C3), isochlorogenic acid B (3,4-diCQA, C5), isochlorogenic acid A (3,5-diCQA, C6) and isochlorogenic acid C (4,5-diCQA, C7) were bought from Weikeqi Biological Technology Co., Ltd (Sichuan, China). The reference substances of 6-hydroxy-7.7α-dihydrobenzofuran-2(6H)-one (R1), hydroxyl-casein (R2), latifoloside G (K1), kudinoside G (K2), kudinoside A (K3), kudinoside E (R5) |
A UHPLC–MS/MS method for simultaneous determination of twelve constituents from Erigeron breviscapus extract in rat plasma: Application to a pharmacokinetic study | ||
来源:SCI:JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES | 作者:Yuanyuan Tian | 备注:影响因子:2.603 |
引用描述 | ||
were supplied from Chengdu Pufeide Biological Technology Co., Ltd. (Sichuan, China). The standards of scutellarin, isochlorogenic acid A, isochlorogenic acid C, and apigenin were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Sichuan, China). The internal standard gallic acid (IS1) was purchased from the National Institute for Control of Pharmaceutical |
Optimization and Assessment of Three Different High Performance Liquid Chromatographic Systems for the Combinative Fingerprint Analysis and Multi-Ingredients Quantification of Sangju Ganmao Tablet | ||
来源:SCI:JOURNAL OF CHROMATOGRAPHIC SCIENCE | 作者:Guo Meng-zhe | 备注:影响因子:0.984 |
引用描述 | ||
The reference standards of chlorogenic acid, forsythiaside A, isochlorogenic acid C, liquiritin, phillyrin, rutin, isoquercitrin, luteoloside and glycyrrhizinate were purchased from Sichuan Weikeqi Biological Technology Co., Ltd (Chengdu, China). |
Simultaneous Determination of 5 Active Components of Periploca forrestii Schltr Extract in Rat Plasma by UPLC-MS and Its Application to Pharmacokinetic Studies in Normal and Adjuvant-Induced Arthritis Model Rats: | ||
来源:SCI:Natural Product Communications | 作者:Hui Liu | 备注:影响因子:0.468 |
引用描述 | ||
Reference substances of NA (batch no. AB7050442), CGA (batch no. AB7061002), and ICAC (batch no. wkq17120111), all purity ≥98%, were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Sichuan, China). |
Simultaneous determination of three di-caffeoylquinic acids by UHPLC–MS/MS in rat plasma and its application to a comparative pharmacokinetic study in normal and acute lung injury rat | ||
来源:SCI:JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES | 作者:Yanjuan Wang | 备注:影响因子:2.603 |
引用描述 | ||
The reference standards of 3,4-DCQA, 3,5-DCQA, 4,5-DCQA were purchased from Sichuan Weikeqi Bio-tech Co., Ltd. (Sichuan, China). Tinidazole (used as internal standard, IS) was purchased from National Institute for the Control of Pharmaceutical and Biological Products |
Rapid magnetic solid-phase extraction combined with ultra-high performance liquid chromatography and quadrupole-time-of-flight mass spectrometry for analysis of thrombin binders from a crude extract and injection of Erigeron breviscapus | ||
来源:SCI:RSC Advances | 作者:Yi Tao | 备注:影响因子:3.289 |
引用描述 | ||
HPLC-grade acetonitrile was obtained from Merck. 5-Caffeoylquinic acid, 3-caffeoylquinic acid, 4-caffeoylquinic acid, 4,5-di-O-caffeoylquinic acid, 3,4-di-O-caffeoylquinic acid and 3,5-di-O-caffeoylquinic acid were purchased from Sichuan Weikeqi Biological Technology Co. Erigeroside, scutellarin, erigoster B, scutellarin A and luteolin 7-Ob-D-glucuronide were obtained from Chengdu Purechem-standard Co. |