| Product Name | Caffeic acid |
|---|---|
| CAS | 331-39-5 |
| Formula | C9H8O4 |
| MW | 180.16 |
| Appearance | 淺黃色粉末 |
| Melting point | 225 °C (decomp) |
| Boiling point | 416.8±35.0 °C | Condition: Press: 760 Torr |
| PKa | 4.58±0.10 | Condition: Most Acidic Temp: 25 °C |
| Product Name | Caffeic acid |
|---|---|
| CAS | 331-39-5 |
| Formula | C9H8O4 |
| MW | 180.16 |
| Appearance | 淺黃色粉末 |
| Melting point | 225 °C (decomp) |
| Boiling point | 416.8±35.0 °C | Condition: Press: 760 Torr |
| PKa | 4.58±0.10 | Condition: Most Acidic Temp: 25 °C |
WKQ-0000321
中文名稱：咖啡酸
中文別名：3,4-二羥基肉桂酸
英文名稱：Caffeic acid
英文別名：Cinnamic acid, 3,4-dihydroxy- (8CI);3-(3,4-Dihydroxyphenyl)-2-propenoic acid;3,4-Dihydroxybenzeneacrylic acid;3,4-Dihydroxycinnamic acid;3-(3,4-Dihydroxyphenyl)propenoic acid;4-(2-Carboxyethenyl)-1,2-dihydroxybenzene;4-(2'-Carboxyvinyl)-1,2-dihydroxybenzene;Caffeic acid;DHCA;NSC 57197;NSC 623438;
分子式：C9H8O4
分子量：180.16
CAS號：331-39-5
純度：HPLC≥98%
熔點：225 °C (decomp)
沸點：416.8±35.0 °C | Condition: Press: 760 Torr
密度：1.478±0.06 g/cm3 | Condition: Temp: 20 °C Press: 760 Torr
酸系度數：4.58±0.10 | Condition: Most Acidic Temp: 25 °C
儲存條件：-20℃，干燥、避光、密封
規(guī)格：5mg10mg20mg50mg100mg500mg1g2g等應客戶需求包裝
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| 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) | ||
| Source:SCI：FOOD CHEMISTRY | Author:Xin-Yue Li | Notes：影響因子：7.514 |
| Reference description | ||
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). | ||
| Leaf and Flower Extracts of Six Michelia L.: Polyphenolic Composition, Antioxidant, Antibacterial Activities and in Vitro Inhibition of α-Amylase and α-Glucosidase | ||
| Source:SCI：CHEMISTRY & BIODIVERSITY | Author:Tianzhu Liao | Notes：影響因子：2.408 |
| Reference description | ||
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). | ||
| Comparison of chicoric acid, and its metabolites caffeic acid and caftaric acid: In vitro protection of biological macromolecules and inflammatory responses in BV2 microglial cells | ||
| Source:SCI：Food Science and Human Wellness | Author:Qian Liu | Notes：影響因子：5.154 |
| Reference description | ||
Chicoric acid, caffeic acid, and caftaric acid (purity ≥ 98%) were purchased from Weikeqi Biological Technology Co., Ltd. (Sichuan, China). Bovine serum albumin (BSA), 2,2-azobis (2-amidinopropane) dihydrochloride (AAPH), herring sperm DNA (hsDNA, D3159) | ||
| Chemical Profiling and Comparison of Sangju Ganmao Tablet and Its Component Herbs Using Two-Dimensional Liquid Chromatography to Explore Compatibility Mechanism of Herbs | ||
| Source:SCI：Frontiers in Pharmacology | Author:Ji Shuai | Notes：影響因子：3.831 |
| Reference description | ||
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 | ||
| Tracing anti-osteoporosis components from raw and salt-processed semen of Cuscuta chinensis by employing a biochemometrics strategy that integrates ultrasonic-assisted extraction, quantitation, efficacy assessment in zebrafish, and grey relationship analysis | ||
| Source:SCI：JOURNAL OF SEPARATION SCIENCE | Author:Yi Tao | Notes：影響因子：3.645 |
| Reference description | ||
Standard compounds including chlorogenic acid, caf-feic acid,p-hydroxycinnamic acid, hyperin, astragalin,quercetin, and kaempferol were procured from SichuanWeikeqiBiotechnological(purities>98.5%).Prednisolone,MS-222, DMSO, paraformaldehyde, and Alizarin RedS were purchased from Shanghai Aladdin Biochemi-cal Technology. | ||
| Separation and characterization of chemical constituents in Ginkgo biloba extract by off-line hydrophilic interaction × reversed-phase two-dimensional liquid chromatography coupled with quadrupole-time of flight mass spectrometry | ||
| Source:SCI：JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS | Author:Shuai Ji | Notes：影響因子：3.255 |
| Reference description | ||
The reference standards ginkgolide M (3), apigenin-7-O-glucoside (7), bilobalide (8), ginkgolide C (9), quercetin (14), luteolin (15), apigenin (16), kaempferol (17), isorhamnetin (18), ferulic acid (19), ginkgolide A (20), myricetin (22), genistein (23), chlorogenic acid (24), caffeic acid (26), luteolin-7-O-glucoside (33), kaempferol-3-O-glucoside (34), kaempferol-7-O-glucoside (35), quercetin-7-O-rhamnoside (40), isoquercitrin (45) and rutin (65) were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China), and their structures are shown in Fig. 1. Purities of all the reference standards were over 98% according to HPLC-DAD analysis. | ||
| Comprehensive quantitative analysis of Chinese patent drug YinHuang drop pill by ultra high-performance liquid chromatography quadrupole time of flight mass spectrometry | ||
| Source:SCI：JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS | Author:Tin-Long Wong | Notes：影響因子：3.169 |
| Reference description | ||
Four batches of YHDP, each produced at a different time, were purchased from two different pharmaceutical companies in the market of mainland China. Four samples of YinHuang granules, one sample of YinHuang oral liquid and two samples of YinHuang lozenges were also purchased in mainland China for evaluation. The reference standards of chlorogenic acid (4) (L-007-131030), caffeic acid (6) (K-003-130501) and macranthoidin B (20) (H-014-130409) were purchased from Sichuan Weikeqi Biological Technology Co., LTD. (Sichuan, China). | ||
| Multi-Component Analysis of Ilex Kudingcha C. J. Tseng by a Single Marker Quantification Method and Chemometric Discrimination of HPLC Fingerprints | ||
| Source:SCI：MOLECULES | Author:Huan Yi | Notes：影響因子：3.098 |
| Reference description | ||
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. | ||
| Towards the identification of alkaline phosphatase binding ligands in Li-Dan-Hua-Shi pills: A Box-Behnken design optimized affinity selection approach tandem with UHPLC-Q-TOF/MS analysis | ||
| Source:SCI：JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS | Author:Yi Tao | Notes：影響因子：2.831 |
| Reference description | ||
Caftaric acid was purchased from Shanghai Rongbo Biotechnologies Co. Gardenoside, caffeic acid, paeoniflorin, vitexin, naringenine and pinoresinol diglucoside were purchased from Sichuan Weikeqi Biological Technology Co. Azelaic acid, sodium orthavanadium, theophylline and forsythiaside were obtained from Shanghai Yuanye Bio-Technology Co. | ||
| Metabolism of chicoric acid by rat liver microsomes and bioactivity comparisons of chicoric acid and its metabolites | ||
| Source:SCI：Food & Function | Author:Qian Liu | Notes：影響因子：2.791 |
| Reference description | ||
Standards of chicoric acid, caffeic acid, and caftaric acid (purity ≥98%) were purchased from Weikeqi Biological Technology Co., Ltd (Sichuan, China). Rat liver microsomes were obtained from CHI Scientific, Inc. (Massachusetts, USA). Glucose-6-phosphate (G-6-P), G-6-P dehydrogenase (G-6-PD), β-nicotinamide adenine dinucleotide phosphate (NADP), 1,1-diphenyl-2-picrylhydrazyl radical 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl (DPPH), 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) | ||
| A rapid and sensitive LC–MS/MS method for the determination of vanillic acid in rat plasma with application to pharmacokinetic study | ||
| Source:SCI：BIOMEDICAL CHROMATOGRAPHY | Author:Yuan Liang | Notes：影響因子：1.902 |
| Reference description | ||
Vanillic acid and caffeic acid (internal standard, IS) standards with the purity of ≥98% were purchased from Sichuan Weikeqi Biological Technology Co. Ltd (Chengdu, China). | ||
