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              • 23

                2021-11

                土貝母成分:土貝母皂苷甲,土貝母皂苷乙,土貝母皂苷丙,脫木糖土貝母苷丙                         土貝母皂苷甲    98%克級 土貝母皂苷乙   98%克級土貝母皂苷丙   98%克級Tubeimoside I CAS號: 102040-03-9 分子式: C63H98O29 分子量: 1319.45g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  土貝母Tubeimoside II CAS號: 115810-12-3 分子式: C63H98O30 分子量: 1335.447g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  土貝母Tubeimoside Ⅲ  CAS號: 115810-13-4 分子式: C64H100O31 分子量: 1365.473g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  土貝母土貝母成分:脫木糖土貝母苷丙  趕黃草成分:趕黃草苷A,趕黃草苷B            脫木糖土貝母苷丙    95%獨家新品 趕黃草苷A   98%克級趕黃草苷B   98%Dexylosyltubeimoside Ⅲ CAS號: N/A 分子式: C59H92O27 分子量: 1233.36g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  土貝母Thonningianin A CAS號: 271579-11-4 分子式: C42H34O21 分子量: 874.713g/mol 外  觀:淡黃色粉末 分  類:  酚類 來  源:  趕黃草Thonningianin B CAS號: 271579-12-5 分子式: C35H30O17 分子量: 722.608 g/mol 外  觀:黃色粉末 分  類:  酚類 來  源:  趕黃草浙貝成分: 貝母辛,伊貝辛,貝母甲素,貝母乙素                                      貝母辛   98% 克級伊貝辛  98%新品貝母乙素   98% 克級Peimisine  CAS號: 19773-24-1 分子式: C27H41NO3 分子量: 427.629g/mol 外  觀:白色粉末 分  類:  生物堿 來  源:  浙貝Yibeissine  CAS號: 143502-51-6  分子式: C27H41NO4   分子量: 443.63g/mol 外  觀:白色粉末 分  類:  生物堿 來  源:  浙貝Peiminine CAS號: 18059-10-4 分子式: C27H43NO3 分子量: 429.645g/mol 外  觀:白色粉末 分  類:  生物堿 來  源:  浙貝茯苓成分:茯苓酸,茯苓新酸A,茯苓新酸B,去氫茯苓酸,松苓新酸,豬苓酸C,去氫土莫酸,落新婦苷茯苓酸    98%克級新品 茯苓新酸A   98%新品茯苓新酸B   98%新品Pachymic acid CAS號: 29070-92-6 分子式: C33H52O5 分子量: 528.76g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓Poricoic acid A CAS號: 137551-38-3 分子式: C31H46O5 分子量: 498.704g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓Poricoic acid B  CAS號: 137551-39-4 分子式: C30H44O5 分子量: 484.677g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓  去氫茯苓酸   98%新品松苓新酸  98%新品豬苓酸C   98%Dehydropachymic acid  CAS號: 77012-31-8 分子式: C33H50O5 分子量: 526.747g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓Dehydrotrametenolic acid CAS號: 29220-16-4 分子式: C30H46O3 分子量: 454.695g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓Polyporenic acid C CAS號: 465-18-9 分子式: C31H46O4 分子量: 482.705g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓茯苓成分:去氫土莫酸        蟾酥稀有成分:蟾蜍五羥色胺,辛二酰精氨酸去氫土莫酸    98%克級 蟾蜍五羥色胺,5-羥色胺 98%克級辛二酰精氨酸   98%克級新品Dehydrotumulosic acid  CAS號: 6754-16-1 分子式: C31H48O4 分子量: 484.721g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  茯苓5-hydroxytryptamine CAS號: 50-67-9 分子式: C10H12N2O 分子量: 176.219g/mol 外  觀:白色粉末 分  類:  生物堿類 來  源:  蟾酥Suberylarginine  CAS號: N/A 分子式: C14H26N4O5 分子量: 330g/mol 外  觀:油狀 分  類:  核苷類 來  源:  蟾酥蟾酥成分:沙蟾蜍精,3-乙?;丑付揪?,偽異沙蟾毒精,                                         蟾毒靈,3-表蟾毒靈,3-羰基蟾毒靈,1&beta;-羥基蟾毒靈,7&beta;-羥基蟾毒靈,9-羥基蟾毒靈,19-羥基蟾毒靈,                                         蟾毒它靈,5&beta;-羥基蟾毒它靈,華蟾毒它靈,去乙酰華蟾毒它靈,19-氧代華蟾毒它靈,                                         華蟾酥毒基,去乙酰華蟾毒精,3-表華蟾毒精,3-羰基華蟾毒精,華蟾毒精-3-丁二?;?L-精氨酸脂,                                         和蟾毒它靈,3-表日蟾毒它靈,                                         酯蟾毒配基,3-表脂蟾毒配基,3-羰基脂蟾毒配基,                                         遠華蟾蜍精,遠華蟾毒精-3-戊二酰-L-精氨酸脂,                                         南美蟾毒精,惹斯蟾蜍精,蟾蜍它里定,嚏根草醇,蟾蜍特尼定,蟾蜍噻嚀,Argentinogenin,                                         蟾蜍色胺,去氫蟾蜍色胺,華蟾蜍色胺,蟾蜍五羥色胺,N-甲基五羥色胺,                                         庚二酰精氨酸(Natural),次黃嘌呤(Natural),己二酰精氨酸(Natural),辛二酰精氨酸  3-乙?;丑付揪?nbsp; 98%克級新品去氫蟾蜍色胺   95%新品嚏根草配基,嚏根草苷元,蟾蜍它里定  98%Acetylarenobufagin  CAS號: 184673-79-8 分子式: C26H34O7 分子量: 458.55g/mol 外  觀:粉末 來  源:蟾酥 分  類:甾體化合物Dehydrobufo-tenine CAS號: 17232-69-8 分子式: C12H15N2O+ 分子量: 203.265g/mol 外  觀:白色粉末 來  源:蟾酥 分  類:甾體化合物Hellebrigenin CAS號: 465-90-7  分子式: C24H32O6 分子量: 416.514g/mol 外  觀:白色粉末 來  源:蟾酥 分  類:甾體化合物   
              • 23

                2021-11

                貓須草成分: 半齒澤蘭素,半齒澤蘭素-5甲醚,5,6-二羥基-7,4'-二甲氧基黃酮 ,甜橙黃酮半齒澤蘭素    98%克級新品半齒澤蘭素-5甲醚    98%新品 5,6-二羥基-7,4'-二甲氧基黃酮   98%克級Eupatorin CAS號: 855-96-9 分子式: C18H16O7 分子量: 344g/mol 外  觀:黃色粉末 分  類:黃酮類 來  源:貓須草Eupatorin-5-methyl ether  CAS號: 21764-09-0 分子式: C19H18O7 分子量: 358.11g/mol 外  觀:黃色粉末 分  類:黃酮類 來  源:貓須草Ladanein  CAS號: 10176-71-3 分子式: C17H14O6 分子量: 314g/mol 外  觀:黃色粉末 分  類:黃酮類 來  源:貓須草 貓須草成分: 甜橙黃酮   茶稀有成分:香葉醇-櫻草糖苷,芳樟醇-櫻草糖苷甜橙黃酮    98%新品香葉醇-櫻草糖苷    98%新品 芳樟醇-櫻草糖苷   98%克級Sinensitin  CAS號: 2306-27-6 分子式: C20H20O7 分子量: 372.37g/mol 外  觀:黃色粉末 分  類:黃酮類 來  源:貓須草Geraniol-primeveroside  CAS號: N/A 分子式: C21H36O10 分子量: 448g/mol 外  觀:粉末 分  類:糖苷類 來  源:茶Linalool-primeveroside  CAS號: 10176-71-3 分子式: C21H36O10 分子量: 448.51g/mol 外  觀:粉末 分  類:糖苷類 來  源:茶地黃成分: 地黃苦苷,梓醇,密力特苷,地黃苷D,尿苷(natural)                  地黃苦苷  98%獨家新品 梓醇    98%克級 密力特苷    98%Rehmapicroside CAS號: 104056-82-8 分子式: C16H26O8 分子量: 346.376g/mol 外  觀:淡黃色粉末 分  類:  糖苷類 來  源:  地黃Catalpol  CAS號: 2415-24-9  分子式: C15H22O10 分子量: 362.331g/mol 外  觀:白色粉末 分  類:  萜類 來  源:  地黃Melittoside CAS號: 19467-03-9 分子式: C21H32O15 分子量: 524.472g/mol 外  觀:淡黃色粉末 分  類:  萜類 來  源:  地黃地黃成分: 地黃苷D,尿苷(natural)                                    橄欖成分:Oleuroside 地黃苷D  95%克級新品 尿苷(natural)    98%克級 Oleuroside     98%克級新品Rehmannioside D CAS號: 81720-08-3 分子式: C27H42O20 分子量: 686.613g/mol 外  觀:淡黃色粉末 分  類:  糖苷類 來  源:  地黃Uridine  CAS號: 58-96-8 分子式: C9H12N2O6 分子量: 244.2g/mol 外  觀:粉末 分  類:  核苷類 來  源:  地黃Oleuroside  CAS號: 116383-31-4 分子式: C25H32O13 分子量: 540.52g/mol 外  觀:粉末 分  類:  萜類 來  源:  橄欖
              • 23

                2021-11

                王不留行成分:王不留行環肽A,王不留行環肽B,王不留行環肽C,王不留行黃酮苷,                                    王不留行黃酮苷E,異牡荊素-2''-O-阿拉伯糖苷,刺桐堿          王不留行環肽A    98%克級新品王不留行環肽B   98%新品王不留行環肽C    98%新品Segetalin A CAS號: 161875-97-4 分子式: C31H43N7O6 分子量: 609.7g/mol 外  觀:粉末 來  源:王不留行 分  類:氨基酸/肽類Segetalin B CAS號: 164991-89-3 分子式: C24H32N6O5 分子量: 484.557g/mol 外  觀:粉末 來  源:王不留行 分  類:氨基酸/肽類Segetalin C  CAS號: 177602-12-9 分子式: C43H56N8O8 分子量: 812.97g/mol 外  觀:粉末 來  源:王不留行 分  類:氨基酸/肽類王不留行黃酮苷    98%克級新品王不留行黃酮苷E   98%新品異牡荊素-2''-O-阿拉伯糖苷 98%新品Vaccarin CAS號: 53452-16-7 分子式: C32H38O19 分子量: 726.637g/mol 外  觀:粉末 來  源:王不留行 分  類:黃酮類Vaccarin E CAS號: 2252345-81-4 分子式: C42H48O22 分子量: 904.82g/mol 外  觀:粉末 來  源:王不留行 分  類:黃酮類Isovitexin 2''-O-arabinoside CAS號: 53382-71-1 分子式: C26H28O14 分子量: 564.5g/mol 外  觀:粉末 來  源:王不留行 分  類:黃酮類王不留行成分:刺桐堿       金線蓮成分: 金線蓮苷,Goodyeroside A刺桐堿    98%克級新品金線蓮苷   98%克級新品Goodyeroside A    98%克級新品Hypaphorine CAS號: 487-58-1 分子式: C14H18N2O2  分子量: 246.31g/mol 外  觀:粉末 來  源:王不留行 分  類:生物堿類Kinsenoside  CAS號: 151870-74-5 分子式: C10H16O8 分子量: 264.23g/mol 外  觀:粉末 來  源:金線蓮 分  類:糖苷類Goodyeroside A(Kinsenoside的差向異構體) CAS號: N/A 分子式: C10H16O8 分子量: 264g/mol 外  觀:粉末 來  源:金線蓮 分  類:糖苷類
              • 13

                2021-10

                沙蔥成分:槲皮素3,7(葡醛酸糖)-三糖;槲皮素3,7-二葡萄糖,4’醛酸糖;山奈酚3,7二葡萄糖苷;山奈酚3,7-二葡萄糖,4’醛酸糖;山奈酚3(1-4),7-三葡萄糖,4’醛酸糖;1-咖啡酸葡萄糖(1-4葡萄糖);1,2咖啡酸基葡萄糖,存在α β兩種糖構型;單葡萄糖3位連接咖啡酸羧基;L-氨基酸;N-對香豆酰酪胺;N-反式-阿魏?;野?;N-反式-阿魏酰-3-甲氧基酪胺;山柰酚-3-O-蕓香糖苷 
              • 26

                2021-07

                2021前半年 - 辰光 實驗室新品推薦③~~~人參系列~~~人參皂苷Rb1  41753-43-9  HPLC≥98%  人參  萜類化合物 C54H92O23  1109.307人參皂苷Rg1  22427-39-0  HPLC≥98%  人參  萜類化合物  C42H72O14  801.024  人參皂苷Rg5  186763-78-0  HPLC≥98%  人參  萜類化合物  C42H70O12  767.01人參皂苷Rg6  147419-93-0  HPLC≥98%  人參  萜類化合物  C42H70O12  767.01人參皂苷Rh3  105558-26-7  HPLC≥98%  人參  萜類化合物  C36H60O7  604.869人參皂苷Rh4  174721-08-5  HPLC≥98%  人參  萜類化合物  C36H60O8  620.868人參皂苷Rk1  494753-69-4  HPLC≥98%  人參  萜類化合物  C42H70O12  767.01人參皂苷Rk2  364779-14-6  HPLC≥98%  人參  萜類化合物  C36H60O7  604.87人參皂苷Rk3  364779-15-7  HPLC≥98%  人參  萜類化合物  C36H60O8  620.868       ——人參系列現貨:人參皂苷Rg1;人參皂苷Rg3(R+S);人參皂苷Rg4;人參皂苷Rg5;人參皂苷Rg6;20S-人參皂苷Rg2;20S-人參皂苷Rg3;20S-人參皂苷Rh1;20S-人參皂苷Rh2;人參皂苷Rb1;人參皂苷Rb2;人參皂苷Rb3;人參皂苷Rh3;人參皂苷Rh4;人參皂苷Rk1;人參皂苷Rk2;人參皂苷Rk3;人參皂苷Rc;人參皂苷Rd;人參皂苷Rd2;人參皂苷Re;人參皂苷Rf;人參總皂苷;20R-人參二醇;20R-人參三醇;20R-原人參二醇;20R-原人參三醇;20S-原人參二醇;20S-原人參三醇;人參環氧炔醇;人參皂苷CK;人參皂苷F1;人參皂苷F2;人參皂苷F3;人參皂苷F4;人參皂苷Ra3;偽人參皂苷F11;越南參皂苷R4(共38種)~~~菊花系列~~~木犀草素-7-葡萄糖醛酸苷  29741-10-4  HPLC≥98%  菊花/萵苣  黃酮類  C21H18O12  462.36 芹菜素-7-O-β-D-葡萄吡喃糖苷  578-74-5  HPLC≥98%    菊花/母菊/女貞  黃酮類  C21H20O10  432.4 金合歡素-7-O-BEITA-D-(6''-O-丙二酸單酰)-葡萄糖苷  N/A  HPLC≥97%  菊花  C25H24O13  532.45芹菜素-7-O-BEITA-D-(6''-O-丙二酸單酰)-葡萄糖  86546-87-4  HPLC≥98%  菊花  C24H22O23  518.43       ——菊花系列現貨:木犀草素-7-葡萄糖醛酸苷;芹菜素-7-O-β-D-葡萄吡喃糖苷;金合歡素-7-O-BEITA-D-(6''-O-丙二酸單酰)-葡萄糖苷 ;芹菜素-7-O-BEITA-D-(6''-O-丙二酸單酰)-葡萄糖 ~~~巖白菜系列~~~巖白菜素  477-90-7  HPLC≥98%  巖白菜  香豆素類  C14H16O9  328.27去甲巖白菜素  79595-97-4  HPLC≥98%  巖白菜  C13H14O9  314.25 ~~~獨活系列~~~茴芹內酯  131-12-4  HPLC≥98%   獨活  香豆素類  C13H10O5  246.22  6-甲氧基當歸素/牛防風素  483-66-9  HPLC≥98%  獨活  香豆素類  C12H8O4  216.19 

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                • Shipping fees will not be refunded unless the cause for the return was found to be an error on Herbest’s part.

                Return Instructions

                1.  In order to initiate a return, please contact your Herbest representative and provide the       following information:

                • The invoice document number for purchase

                • The lot number(s) for the product(s) intended to be returned

                • Reason for return of the product(s)

                2.  After receiving the information listed above, your herbest representative will generate a  return number  for you to authorize the return.

                3. Once the return number is received, please ship the product(s) with the return number (RTN) referenced on the package. Ensure the product(s) is/are appropriately packaged and stored (i.e. -20oC stored items need to be shipped overnight with an icepack, -80oC items with dry ice). The shipment will be made out to the following address:

                Baoji Herbest Bio-Tech Co.,Ltd

                Attn:[herbest representative]

                BaoTao Road Baoji City Shannxi provience China (zip: 721013)

                Tel:+86-917-8888998

                4. Once the product(s) is/are received and inspected, your representative will issue a return (RTN) document receipt. This document will reflect the funds credited back to you for return of the product(s), minus any applicable restocking or shipping fees. Purchases made via prepayment or NET 30 will have a credit memo for the balance added to their account.

              • Herbest supplies a wide range of phytochemical reference standards to highly specialized and very rare phytochemicals available in extremely small quantities in nature. Our specialtis making all of these products available to the industry with extensive testing and characterization data on each.   Herbest committed to providing our customers with cost effective, high quality reference  tandards. We strive to provide that influence how long it will take to fill any individual order and we hope this information will assist you in understanding our production process and lead time estimates.

                Production Phase 1 :Starting Materials

                The first phase in our production process is to acquire the necessary starting materials. In the case that the compound will be isolated directly from plant material, we must first acquire the relevant biomass. Availability of suitable biomass can vary widely and might require waiting for the next harvest time to maximize the level of the target phytochemical. Growing and harvest conditions can dramatically affect the phytochemical content and in extreme cases, normally prominent target compounds might be missing entirely from a particular harvest. This certainly can complicate the production process. All biomass materials have to be verified for compliance with Herbest quality requirements. Compounds 

                produced synthetically also require properly qualified starting materials. In this case, the commercial availability of the starting materials directly affects our ability to begin the production process.

                Production Phase 2: Production of Target Compound

                Once all the starting materials are received and qualified, we can begin with the production of the target compound. Depending on production prioritization, some materials may have to wait in the production queue before work begins. Both isolation and synthesis productions are typically multistep processes and can take from just a few days to several weeks to complete the whole process. Usually production steps proceed smoothly but sometimes unanticipated technical challenges can arise.  

                Production Phase 3: Quality Testing and Verification

                In this phase, the isolated or synthesized materials are tested and verified. The results must meet the final identity, purity, and quality requirements for the desired product. The data package from this characterization testing is then used to generate the product certificate of analysis (C of A) appropriate to the product grade. The C of A then undergoes a formal review by the Quality Assurance group that operates independently of the chemists performing the tests and preparing the documentation. Oncethe C of A is completed, the material can then go into stock and orders are filled. Usually quality testing and verification is a smooth process but in some cases, material that was promising during Phase 2, will fail final requirements during Phase 3 testing in which case, the process must start over.


                Herbest takes pride in providing its customers with the highest quality natural product reference standards available to the industry.Please contact your Technical Sales Representative with any additional questions you may have.




              • Herbest reference standards are supplied in the powder, crystal, liquid, or oily form. The reference standards may also be supplied in various containment forms including screw top vials, crimp top vials, or sealed ampules (depending on the best form of enclosure determined by Herbest). This can present a recovery challenge when the material clings to the insides of the sample bottle/vial. Proper handling is especially important with small amounts where a greater percentage of the sample may be clinging to the sides of the bottle, screw cap or sto per. Please note that Herbest  does not recommend scraping the vial because sample recovery will be quite low. The following procedure for sample handling will allow for the greatest recoveries and proper dilution. Please note: Oily or liquid standards can be difficult to see and the bottle may appear empty. Examples of such oily standards are: Gingerol, Pinane, Shogaol,Rosin and Bakuchiol.

                Proper Standard Material Recovery and Dilution Procedure:

                1. Use a 5 decimal place (0.00001g) analytical balance for weighing.

                2. Weigh the full sample bottle and vial cap.

                3. Record the exact weight of the full bottle and cap/stopper, in your laboratory notebook.

                4. Remove the screw top of the vial and add about 1mL of the appropriate solvent to the sample bottle and immediately replace the cap/stopper. If the bottle/vial has a crimp top, draw 1ml of the appropriate solvent into a clean syringe (with a rigid needle tip) and pierce the crimp top septum and expel the 1ml of solvent into the vial.

                5. Shake the bottle/vial multiple times over 5 minutes and allow the standard to completely dissolve.

                6. Open the screw/crimp top vial and pipette or pour the dissolved standard from the bottle into a volumetric flask (Crimp top vial will need a crimp top remover tool).

                7. Use an appropriately sized volumetric flask for the sample dilution.

                8. Rinse the bottle/vial and cap/stopper each into the volumetric flask three times.

                9. Completely dry the empty bottle and cap/stopper under nitrogen flow.

                10. Weigh the, now empty, dried bottle and cap/stopper and record the weight in your laboratory notebook. 

                11. Partially fill the volumetric flask with the chosen solvent and mix thoroughly.

                12. Then dilute to the mark and mix again by inverting several times.

                13. Calculate the total weight of standard removed from the bottle/vial by subtracting the dry weight from the original weight.

                14. Calculate the concentration of the diluted standard by dividing the calculated standard weight (from step above) by the volume of the volumetric flask.

                15. Consider portioning off your diluted standard into smaller bottles for later use and to prevent contamination of your standard solution.

                16. Ideally, store the reference standard solution in a cool, dry place out of light per recommended storage conditions found on the Certificate of Analysis and/or label.

                please contact Herbest with any further questions about proper sample handling specific to your use.




              • Herbest is pleased to offer a wide range of reference standards in our phytochemical catalog. All materials listed are supplied either neat or in solution and sold by either a weight or volume quantity. Sometimes our clients have questions about how much product is in each bottle or ampoule. This FAQ should help to address such questions.

                Herbest overfills each unit of product by up to 0.2 mg. This typically means that a 5mg unit may contain between 5.0 and 5.2mg of material; a 10mg unit contains between 10.0 and 10.2mg of material. Products sold by volume are overfilled by 0.1ml.

                The use of accurate weight measurements and fully characterized Primary grade reference standards is crucial for proper quantitative analysis. A five place balance (measuring accurately to 0.00005mg) is required for use in quantitative work.

                Herbest recommends that a “weigh by difference” technique be used when preparing your reference standard solutions for use in the laboratory. Especially when dealing with oily, sticky, fluffy, or static prone compounds, improper handling can result in large losses of material between the original packaging and the prepared solution in your laboratory.Because of potential material loss in transferring by the end user, Herbest does not supply an exact weight value for each unit of reference standard. Even if an exact weight was supplied, the end user must accurately weigh the amount of product that goes into their standard preparation as this minimizes analytical error.

                For special projects, Herbest can supply exact weights per vial when requested by our clients. An additional fee may apply in such cases. Please contact your herbest sales representative for more information if this service would be useful for you.

                Herbest packages all items carefully to minimize any product loss. However, sometimes shipping conditions beyond our control can cause leakage or an otherwise reduced quantity of material. If you suspect that your order contains less material than it should, please first follow the weighing protocol as detailed in  Herbest Recovery and Dilution Procedures. If after using this protocol, you cannot verify the correct quantity, please contact your Herbest sales representative with the weight measurements and any photos showing bottle leakage that might help us in trouble shooting the issue.

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