<?xml version="1.0" encoding="utf-8" ?>
<rss version="2.0">
<channel>
<title><![CDATA[EC21 Product Catalogs - molecular weight]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/molecular_weight--0548/1/molecular weight.html]]></link><item>
<title><![CDATA[Di-tert-butyl Dicarbonate Cas 24424-99-5]]></title><link><![CDATA[https://dingyanchemical.en.ec21.com/Di_tert_butyl_Dicarbonate_Cas--11841248_12064355.html]]></link><description><![CDATA[and peptides, biochemical foods, and cosmetics.
Appearance 
Colorless liquid or white crystal 
Melting point 
22~24 ℃ 
Moisture 
≤0.2% 
Assay （GC） 
≥99% 
Molecular weight 
218.25 
]]></description><pubDate><![CDATA[20260518]]></pubDate></item>
<item>
<title><![CDATA[Polygalic Acid]]></title><link><![CDATA[https://cimeblueeyes5273.en.ec21.com/Polygalic_Acid--11981456_11995989.html]]></link><description><![CDATA[Product Name: Polygalic acid
CAS No.: 1260-04-4
Molecular formula: C29H44O6
Molecular weight: 488.663
Specification: Analytical standard, HPLC ≥ 98%
Appearance: White needle crystal powder
]]></description><pubDate><![CDATA[20250807]]></pubDate></item>
<item>
<title><![CDATA[Naringin]]></title><link><![CDATA[https://hopeland08.en.ec21.com/Naringin--2521243_3542007.html]]></link><description><![CDATA[Molecular Formula: C27H32O14
Molecular Weight: 580.54
CAS Number: 10236-47-2
Appearance: Off-white crystalline powder
Assay: 98% HPLC
Action and Uses:
Studies have shown that naringin interferes with]]></description><pubDate><![CDATA[20250311]]></pubDate></item>
<item>
<title><![CDATA[Tea Extract L-Theanine Tea Polyphenols Catechin Epicatechin(EC) EGC EGCG]]></title><link><![CDATA[https://anderlis.en.ec21.com/Tea_Extract_L_Theanine_Tea--12044988_12045024.html]]></link><description><![CDATA[product name:L-Theanine CAS NO.:3081-61-6
molecular formula:C7H14N2O3
formula weight:174.198
purity:99% appearance:white powder
product name:Tea Polyphenols
CAS NO.:84650-60-2
molecular formula:C17H1]]></description><pubDate><![CDATA[20250225]]></pubDate></item>
<item>
<title><![CDATA[100% Pure Natural  98% Homoharringtonine and Cephalotaxine]]></title><link><![CDATA[https://kosoherb.en.ec21.com/100_Pure_Natural_98_Homoharringtonine--11950187_11950188.html]]></link><description><![CDATA[Molecular Formula: C29H39NO9 Molecular Weight: 545.62 Melting Point: 144～146℃ Test Method: HPLC-DAD / HPLC-ELSD CAS.No.: 26833-87-4 Functions: 　 Test Condition: Methanol-0.01mol·L-1 buffer sto]]></description><pubDate><![CDATA[20241028]]></pubDate></item>
<item>
<title><![CDATA[Homoharringtonine]]></title><link><![CDATA[https://zhaogangge.en.ec21.com/Homoharringtonine--2657954_9900288.html]]></link><description><![CDATA[Molecular Formula: 
C29H39NO9
Molecular Weight: 
545.62
Melting Point: 
144～146℃
Test Method: 
HPLC-DAD / HPLC-ELSD
CAS.No.: 
26833-87-4
Functions: 
　
Test Condition: 
Methanol-0.01mol·L-1 buf]]></description><pubDate><![CDATA[20241028]]></pubDate></item>
<item>
<title><![CDATA[Hydrochlorothiazide]]></title><link><![CDATA[https://bbcalikang.en.ec21.com/Hydrochlorothiazide--5099585_7269804.html]]></link><description><![CDATA[Product Name: Hydrochlorothiazide 
Chemical Name: 3, 4-dihydro-6-chloro-7-sulfamoyl-1, 2, 4-benzothiadiazine- 
1, 1-dioxide 
CAS Number: 58-93-5 
Molecular Formula: C7H8ClN3O4S2 
Molecular Weight: 29]]></description><pubDate><![CDATA[20241021]]></pubDate></item>
<item>
<title><![CDATA[Rhodiola Rosea Extract]]></title><link><![CDATA[https://woshiyan.en.ec21.com/Rhodiola_Rosea_Extract--2031470_9307778.html]]></link><description><![CDATA[Model No.:1% 2% 3%Salidroside
Brand Name:KOSO
Assay method:HPLC
Molecular weight:300.3044
Particle size:100% through 80 mesh
Place of Origin:Shaanxi, China (Mainla...
CAS No.:97404-52-9
Molecular for]]></description><pubDate><![CDATA[20240928]]></pubDate></item>
<item>
<title><![CDATA[Rutin]]></title><link><![CDATA[https://huifengpharma029.en.ec21.com/Rutin--11989683_11989684.html]]></link><description><![CDATA[No.:250249-75-3
EINECS No.:205-814-1
Molecular Formula:C27H30O16H2O
Moleculat Weight:610.52
Structural Formula:
Specification:NF11,EP,DAB10,CP2005
Assay(anhydrous substance):95%-101.5%by UV
　　
]]></description><pubDate><![CDATA[20240822]]></pubDate></item>
<item>
<title><![CDATA[Neotame Sweetener]]></title><link><![CDATA[https://hzlbio.en.ec21.com/Neotame_Sweetener--11909358_11967975.html]]></link><description><![CDATA[Molecular formula
C20H30N2O5
Molecular weight
378.46
Melting point
83-85℃
Solubility
Chloroform (Sparingly), Ethanol (Sparingly), Ethyl Acetate (Sparingly), Methanol
SWEETNESS
Neotame is the world&apos;]]></description><pubDate><![CDATA[20240713]]></pubDate></item>
<item>
<title><![CDATA[Epimedium Leaf Extract]]></title><link><![CDATA[https://chenlvherbs.en.ec21.com/Epimedium_Leaf_Extract--11944042_11944046.html]]></link><description><![CDATA[molecular weight immunomodulator from the traditional Chinese medicine Epimedium---Icaritin soft capsules, approved for market by CDE in 2022, provides a new choice for the treatment of advanced hepa]]></description><pubDate><![CDATA[20240528]]></pubDate></item>
<item>
<title><![CDATA[Green Tea Extract]]></title><link><![CDATA[https://alysaliu.en.ec21.com/Green_Tea_Extract--6341875_7087871.html]]></link><description><![CDATA[Botanical Resource: Camellia sinensis O. Ktze.
Molecular formula: C22H18O11
Molecular weight: 458.38
CAS No.: 989-51-5
Product Spec.: EGCG 60% 70% 90% 95% 98%
Sunfull Key Products:
Tea Extract Series]]></description><pubDate><![CDATA[20240417]]></pubDate></item>
<item>
<title><![CDATA[Wolfberry Fruit P.E]]></title><link><![CDATA[https://runmu01.en.ec21.com/Wolfberry_Fruit_P.E--9711016_9711466.html]]></link><description><![CDATA[molecular weight of 22 ~ 25 kd, composed of arabinose, glucose, galactose, mannose, xylose and rhamnose 6 kinds of monosaccharide composition, content of 50%. 
【producing area】 : distributed in o]]></description><pubDate><![CDATA[20151014]]></pubDate></item>
<item>
<title><![CDATA[Onion Extract 10%-80% Quercetin]]></title><link><![CDATA[https://khli203.en.ec21.com/Onion_Extract_10_80_Quercetin--11737633_11737738.html]]></link><description><![CDATA[Onion Extract 
Synonym(s):Quercetin 4&apos;-glucoside.
CAS NO.:20229-56-5
Molecular Formula:C21H20O12 ;
Molecular Weight:464.382
Appearance: Fine yellowish green powder
Melting Point: MP 240-241 (209-210)]]></description><pubDate><![CDATA[20230301]]></pubDate></item>
<item>
<title><![CDATA[Black Rice Extract Anthocyanin 1%-25%]]></title><link><![CDATA[https://heidi2020.en.ec21.com/Black_Rice_Extract_Anthocyanin_1--10316374_10323061.html]]></link><description><![CDATA[Molecular formula: C30H26O13 
Molecular Structure 
Molecular weight: 594.52 
Latin Name: Oryza sativa 
Test Methods: UV 
Water solubility: Moderately soluble 
Grade: Pharmaceutical and food 
Function]]></description><pubDate><![CDATA[20170516]]></pubDate></item>
<item>
<title><![CDATA[Olive Leaf Extract Oleuropein HPLC 10%~80%]]></title><link><![CDATA[https://comextbiotech.en.ec21.com/Olive_Leaf_Extract_Oleuropein_HPLC--10504235_10507285.html]]></link><description><![CDATA[Molecular Weight: 540.4
Appearance: Yellow Brown Fine Powder
Benefits
Anti-Inflammatory and antioxidant Properties
Immune System Booster
Interrupting Pathogens
Lowering blood pressure
Lowering choles]]></description><pubDate><![CDATA[20170815]]></pubDate></item>
<item>
<title><![CDATA[Quality Control Cnidium Extract Osthole 98%]]></title><link><![CDATA[https://alice522.en.ec21.com/Quality_Control_Cnidium_Extract_Osthole--10367328_10812174.html]]></link><description><![CDATA[Basic Information:
Name
Cnidium monnien
Effective Content
Osthole
CAS Number
484-12-8
Specifications
10%~98%
Test Method
HPLC
Molecular formula
C15H16O3
Molecular weight
244.29
Appearance of Osthole ]]></description><pubDate><![CDATA[20180917]]></pubDate></item>
<item>
<title><![CDATA[Legumes Peanut Extract Powder 98% Luteolin Supplements]]></title><link><![CDATA[https://yherbal.en.ec21.com/Legumes_Peanut_Extract_Powder_98--10878682_10878721.html]]></link><description><![CDATA[Molecular Formula: C15H10O6 
Molecular Weight: 286.24
Main Functions: 
1. It has the function of anti-inflammatory, anti-microbial and anti-virus; 
2. It has anti-tumor effect. Especislly having a go]]></description><pubDate><![CDATA[20181221]]></pubDate></item>
<item>
<title><![CDATA[Pomegranate Peel Extract with Whitening Effect 95% 98% 99% Ellagic Acid Powder]]></title><link><![CDATA[https://hkzina.en.ec21.com/Pomegranate_Peel_Extract_with_Whitening--11026352_11026353.html]]></link><description><![CDATA[Product NameEllagic acidChemical Name2,3,7,8-Tetrahydroxychromeno[5,4,3-cde]chromene-5,10-dione;AnalysisHPLCCAS476-66-4Molecular formulaC14H6O8Extract fromPomegranate peelSprcification99% 98% 95%Stor]]></description><pubDate><![CDATA[20191108]]></pubDate></item>
<item>
<title><![CDATA[Diosmin]]></title><link><![CDATA[https://chenlvherb.en.ec21.com/Diosmin--11362920_11551624.html]]></link><description><![CDATA[Product name: Diosmin
CAS number: 520 -27 - 4
Product sources: hesperidin
Appearance:white or off-white fine powder
Molecular Formula: C28H32O15
Molecular Weight: 608.5 
Test method: HPLC
Specificati]]></description><pubDate><![CDATA[20230725]]></pubDate></item>
<item>
<title><![CDATA[ROTENONE5%]]></title><link><![CDATA[https://idobio.en.ec21.com/ROTENONE5--10967634_10967673.html]]></link><description><![CDATA[Molecular Formula
C23H22O6
Formula Weight
394.42
Test Method
HPLC
Formula Structure
Specifications
Rotenone 50% Brown yellow powder
Rotenone 98% White powder 
Application 
Biological pesticide . 
App]]></description><pubDate><![CDATA[20200509]]></pubDate></item>
<item>
<title><![CDATA[Myoglobin Antibody Rapid Test]]></title><link><![CDATA[https://frenovo.en.ec21.com/Myoglobin_Antibody_Rapid_Test--11783263_11783264.html]]></link><description><![CDATA[Myoglobin is a low molecular weight, a cytoplasmic serum protein. Due to its low molecular weight, myoglobin is released more rapidly when muscle cells are damaged than other markers. The serum conce]]></description><pubDate><![CDATA[20230506]]></pubDate></item>
<item>
<title><![CDATA[Natural Green Tea Extract for Sale]]></title><link><![CDATA[https://motarovallc.en.ec21.com/Natural_Green_Tea_Extract_for--11381324_11381342.html]]></link><description><![CDATA[Product Name: green tea extract 99% l-theanine
Particle Size: 100% pass 80mesh
CAS No.: 3081-61-6
Molecular forula: C7H14N2O3
Molecular Weight: 174.1977
Specification: 99% l-theanine
Use Part : Leaf
]]></description><pubDate><![CDATA[20210513]]></pubDate></item>
<item>
<title><![CDATA[Natural Lycopene Powder 5%,10%,96% Crystals]]></title><link><![CDATA[https://granraylycopene.en.ec21.com/Natural_Lycopene_Powder_5_10--11586759_11586760.html]]></link><description><![CDATA[PRODUCT NAMELycopene 10% Powder by GranrayCHEMICAL FORMULAC40H56CAS NO.502-65-8MOLECULAR WEIGHT536.88SOURCEMicrobial FermentationSOLUBILITY Lycopene is insoluble in water,and can be dissolved only in]]></description><pubDate><![CDATA[20220614]]></pubDate></item>
<item>
<title><![CDATA[Hesperidin]]></title><link><![CDATA[https://hongbai123.en.ec21.com/Hesperidin--4258118_8407511.html]]></link><description><![CDATA[Molecular weight610.55 Physical property: crystal in the shape of tree branches (precipitation under pH6-7); M.P.: 258-262(softening point at 250); []20D: -76 degree (C=2, pyridine); soluble in forma]]></description><pubDate><![CDATA[20181224]]></pubDate></item>
<item>
<title><![CDATA[Red Yeast Rice Extract]]></title><link><![CDATA[https://ggll.en.ec21.com/Red_Yeast_Rice_Extract--7566217_7625627.html]]></link><description><![CDATA[Molecular Formula: C24H36O5
Molecular Weight: 404.54
Specifications: Lovastatin 1%-3% test by HPLC; Total Monacolin K 1%-3% test by HPLC
Functions:
◆ Strengthen the spleen and digestion, the role o]]></description><pubDate><![CDATA[20131105]]></pubDate></item>
<item>
<title><![CDATA[Amygdalin,VITAMINB17,Puerarin,Amygdingin,Bitter Apricot Seed Extract]]></title><link><![CDATA[https://staherb005.en.ec21.com/Amygdalin_VITAMINB17_Puerarin_Amygdingin_Bitter--6375421_6848070.html]]></link><description><![CDATA[Specification ：30-98% （HPLC）
CAS NO: 29883-15-6
Molecular Formula: C20H27NO11
Molecular Weight: 457. 44
Color: White powder（Amygdalin 98%）
Latin Name : Semen Armeniacae Amarum P.E
Chemical ]]></description><pubDate><![CDATA[20220428]]></pubDate></item>
<item>
<title><![CDATA[Phosphatidylserine (PS) 20%-70% HPLC]]></title><link><![CDATA[https://sunny00105.en.ec21.com/Phosphatidylserine_PS_20_70_HPLC--8279876_9407709.html]]></link><description><![CDATA[Molecular Formula:C42H82NO10P 
Molecular Weight: 792.081 
Specification:20% 40% 50% 60%70% by HPLC 
Color: White or light yellow loose powder 
Storage:Good sealed container away from light and heat. ]]></description><pubDate><![CDATA[20180125]]></pubDate></item>
<item>
<title><![CDATA[Peanut Powder Extract]]></title><link><![CDATA[https://hoofint.en.ec21.com/Peanut_Powder_Extract--10640182_10640209.html]]></link><description><![CDATA[Molecular Formula
C15H10O6
Active Ingredient
Luteolin
Molecular Weight
286.23
Testing method
HPLC
Extraction Type
Solvent Extraction
Latin name
Arachis hypogaea L.
Variety
peanut shell extract
Introd]]></description><pubDate><![CDATA[20180108]]></pubDate></item>
<item>
<title><![CDATA[5-htp Fermate ,99% L-5-HTP,L-5-hydroxy Tryptophan,Griffonia Seed Extract]]></title><link><![CDATA[https://zimoluck.en.ec21.com/5_htp_Fermate_99_L--10320282_10353303.html]]></link><description><![CDATA[Molecular Formula: C11H12N2O3 
Molecular Mass: 220.23 
CAS No: 4350-09-8 
Constitutional Formula: 
3. Indications and Uses 
Depression Anxiety Insomnia Fibromyalgia Migraine Weight Loss 
5HTP is most]]></description><pubDate><![CDATA[20170405]]></pubDate></item>

</channel>
</rss>