(-)-Epicatechin CAS 490-46-0 Purity ≥95.0% (HPLC)
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim tshuaj paus ntawm (-)-Epicatechin (EC) (CAS: 490-46-0) nrog zoo siab, ntsuab tshuaj yej extract.Ruifu Chemical tuaj yeem muab kev xa khoom thoob ntiaj teb, tus nqi sib tw, kev pabcuam zoo heev, me me thiab ntau ntau muaj.Kev yuav khoom (-)-Epicatechin,Please contact: alvin@ruifuchem.com
| Tshuaj npe | (-)-Epicatechin |
| Synonyms | EC;L-Epicatechin;Epicatechin;(-)-Epicatechol;epi-Catechin;(-)-cis-3,3',4',5,7-Pentahydroxyflavane;(2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-Dihydro-1(2H)-Benzopyran-3,5,7-triol |
| Tshuag xwm txheej | Hauv Tshuag, Kev Lag Luam Ntau Lawm |
| CAS Nr | 490-46-0 : kuv |
| Molecular Formula | C15H14O6 |
| Molecular Luj | 290.27 g / mol |
| Melting Point | 240 ℃ (dec.) (lit.) |
| Qhov ntom | 1.593 ± 0.06 g / cm3 |
| Kev sib hloov tshwj xeeb [a]20/D | -56.0° to -64.0° (C = 0.1, MeOH) |
| rhiab heev | Cua Sensitive, Thaum tshav kub kub Sensitive |
| Dej Solubility | Soluble hauv Methanol |
| Cia Temp. | Qhov chaw txias & qhuav (2 ~ 8 ℃) |
| COA & MSDS | Muaj |
| Qauv | Muaj |
| Hom | Ruifu Tshuaj |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig | Txoj Kev Xeem |
| Qhov tshwm sim | Dawb hmoov | Dawb hmoov | Organoleptic |
| Saj | Yam ntxwv | Ua raws | Organoleptic |
| EC Kev Tshawb Fawb | ≥95.0% | 96.16% | HPLC |
| Caffeine | ≤0.10% | 0.02% | |
| Moisture Conten | ≤ 5.0% | 0.22% | 105ºC, 4 teev |
| Tshauv | ≤0.50% | 0.08% | GB/T5009.4-2016 |
| Particle Loj | 100% Pass 80 Mesh | Ua raws | |
| Tapped ntom | 0.50 ~ 0.60g / cm3 | 0.60 ib | |
| pH | 4.0 ~ 6.0 | 5.89 ib | WS 3-B-3380-98 |
| Hnyav Hlau | |||
| Heavy Hlau (Pb) | ≤ 5.0ppm | <5.0ppm | GB/T5009.75-2016 |
| Heavy Hlau (As) | ≤ 2.0ppm | <2.0ppm | GB/T5009.76-2016 |
| Heavy Hlau (Hg) | ≤0.5ppm | <0.5ppm | GB/T5009.17-2016 |
| Tag Nrho Phaj suav | ≤1000 pawg / g | Ua raws | GB4789.2-2016 |
| Poov & Pwm | ≤100 pawg / g | Ua raws | GB4789.15-2016 |
| Salmonella | Tsis zoo | Tsis muaj | GB4789.4-2016 |
| E. Coli | Tsis zoo | Tsis muaj | GB4789.3-2016 |
| Xaus | Cov khoom tau raug kuaj & ua raws li cov lus qhia tshwj xeeb | ||
Pob:Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws lub thawv kaw kom nruj thiab khaws cia rau hauv qhov chaw txias, qhuav (2 ~ 8 ℃) thiab lub tsev tso cua txias kom deb ntawm cov khoom tsis sib xws.Khaws kom deb ntawm noo noo thiab lub teeb muaj zog lossis kub kub.
Shipping:Xa mus thoob ntiaj teb los ntawm huab cua, los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
Hazard Symbols Xi - Irritant
Risk Codes
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
RTECS KB3745000
FLUKA BRAND F CODE 10-23
HS Code 2932999099
(-)-Epicatechin (EC) (CAS: 490-46-0), antioxidant thiab ntuj tsim los ntawm cov tshuaj yej ntsuab.
(-)-Epicatechin yog cov nroj tsuag ntuj flavanol, soluble hauv dej thiab methanol.Nws yog sau ua ke hu ua catechin compounds nrog epigallocatechin gallate, epicatechin gallate, epicatechin gallate thiab epigallocatechin gallate, Thiab catechins yog isomers ntawm ib leeg.
Cov qauv molecular ntawm (-)-Epicatechin muaj ntau pawg reactive thiab cov chaw nquag, uas tuaj yeem ua rau epicatechin tsim ntau yam phenolic cov tshuaj tiv thaiv.Kev tshawb fawb tshuaj niaj hnub tau pom tias flavonoids xws li epicatechin muaj cov haujlwm ntawm kev tiv thaiv oxidation, tshem tawm cov dawb radicals, ntxiv dag zog rau cov metabolism, tswj kev tiv thaiv kab mob thiab lwm yam.Cov khoom no tsuas yog muab rho tawm los ntawm tshuaj yej.
(-)-Epicatechin yog qhov tseem ceeb ntawm cov tshuaj yej ntsuab.Nws tuaj yeem siv los ua tshuaj kho thiab tiv thaiv kab mob plawv, mob qog noj ntshav thiab lwm yam. Nws cov tshuaj aqueous nquag ua rau oxidation, feem ntau siv los tiv thaiv oxidants.Nws kuj muaj cov haujlwm ntawm kev txo cov permeability ntawm capillaries, antidiarrheal, hemostasis, antivirals, antimycotic, resists ACE thiab prophylaxis peptic ulcers.
1. Applied nyob rau hauv cov zaub mov teb, nws yog siv raws li ntuj antioxidant, antistaling neeg sawv cev, thiab anti-fading agents.
2. Raws li cov tshuaj pleev ib ce thiab niaj hnub tshuaj addiitive, nws muaj cov nyhuv ntawm anti-wrinkle thiab anti-aging.Nws tuaj yeem tshem tawm qhov chaw, tiv thaiv thiab kho cov kab mob ntawm daim tawv nqaij thiab kev nkag siab, cov hniav lwj, hniav plaque, periodontitis thiab halitosis, tiv thaiv daim tawv nqaij los ntawm teeb meem hnub ci thiab tiv thaiv kab mob ntawm daim tawv nqaij.
3. Siv rau hauv kev lag luam tshuaj, nws yog siv los tiv thaiv thiab kho cov kab mob plawv, ntshav qab zib.Nws muaj cov nyhuv sterilization thiab antivirus.Nws muaj nyob rau hauv cov khoom siv raw ntawm cov chaw muag khoom thiab kev kho mob tshuaj.
4. Khoom noj khoom haus rau cov tshuaj ntsiav thiab ntsiav tshuaj.
