Product Categories
| Country: | China |
|---|---|
| Tel: | +86-18922120635 |
| Mobile: | +86-18922120635 |
| E-mail: | sales@toref-standards.com |
| QQ: | |
| Skype: | Chat Now! |
| Address: | Room 1201, Room 1203, 181 Science Avenue, Huangpu District, 510663 |
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Established in 1999, Guangzhou Tosun Pharmaceutical Limited is a Pharmaceutical company based in Guangzhou, China, and specialized in providing Pharmaceutical Reference Standards, API Impurities, Reference Listed Drugs (RLDs), Intermediates, Excipients etc. We supply products to pharmaceutical, and biotech companies as well as R&D labs at various research institutes and organizations.
? We respond to our client’s inquiries within 24 hrs.
? We ship In-stock products in 24 hrs.
? Tosun offers custom synthesis of the products which are new or not in our stock.
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| Product Name | MF | CAS | Details |
|---|
| Elagolix Impurity 2 | C38H40F5N3O6 | 2409132-64-3 | Details |
| Gentamicin sulfate EP Impurity B | C13H27N3O6 | 49751-51-1 | Details |
| Ivermectin impurity 8 | C34H50O8 | 73162-95-5 | Details |
| Ivermectin impurity 9 | C41H62O11 | 71837-27-9 | Details |
| Ivermectin impurity 3 | C47H70O14 | 65195-56-4 | Details |
| Ivermectin EP Impurity C | C48H74O15 | 65195-57-5 | Details |
| Amphotericin B Impurity 6 | C41H62O14 | 106799-07-9 | Details |
| Zotepine Impurity1 | C18H18ClNO2S | 63720-83-2 | Details |
| Zotepine Impurity2 | C18H18ClNO2S | 78105-23-4 | Details |
| Clindamycin Phosphate EP Impurity F | C18H35N2O9PS | 27480-30-4 | Details |
| Clindamycin Phosphate EP Impurity L | C18H34ClN2O8PS | 620181-05-7 | Details |
| Acesulfame EP Impurity B | C4H4ClNO4S | 72827-08-8 | Details |
| Azacitidine Impurity 39 | C29H24N4O8 | 28998-36-9 | Details |
| Azacitidine Impurity 46 | C6H12O5 | 13039-63-9 | Details |
| Calcitriol Impurity 38 | C28H44O3 | 1428946-52-4 | Details |
| Isavuconazole Impurity 44 | Details |
| Isavuconazole Impurity 45 | Details |
| Ixaconazole chloride | C35H36Cl2F2N8O5S | 497235-79-7 | Details |
| Isavuconazole Impurity 47 | Details |
| Isavuconazole Impurity 48 | Details |
| Isavuconazole Impurity 49 | C32H30F2N7O4S+ | 2761502-58-1 | Details |
| Spectinomycin EP Impurity A | C8H18N2O4 | 6216-38-2 | Details |
| Clavulanate Potassium EP Impurity F | C13H14N2O5 | 1260857-16-6 | Details |
| Iodixanol impurity 1 | Details |
| Azacitidine Impurity 3 | C8H12N4O5 | 157771-77-2 | Details |
| Mivacurium Chloride Impurity 12 | C58H80ClN2O14+ | 107740-63-6 | Details |
| Mivacurium Chloride Impurity 13 | C58H80ClN2O14+ | 107740-65-8 | Details |
| Mivacurium Chloride Impurity 14 | C21H25NO5 | 61349-11-9 | Details |
| Mivacurium Chloride Impurity 20 | C8H12O4 | 38561-68-1 | Details |
| Mivacurium Chloride Impurity 22 | C21H27NO6 | 7668-87-3 | Details |
| Mivacurium Chloride Intermediate | C8H12O4 | 48059-97-8 | Details |
| Voreloxin Impurity 1 (Hydrochloride) | C18H20ClN5O4S | 175519-16-1 | Details |
| FASN-IN-2 | C27H29N5O | 1399177-37-7 | Details |
| SAR125844 | C25H23FN8O2S2 | 1116743-46-4 | Details |
| Compounds jbj-04-125-02 | C29H26FN5O3S | 2140807-05-0 | Details |
| Inhibitor (sar405838) | C29H34Cl2FN3O3 | 1303607-60-4 | Details |
| BTK inhibitor 1（Compound 27） | C24H23FN8O2 | 2230724-66-8 | Details |
| Tadalafil EP Impurity D | C22H20ClN3O4 | 951661-81-7 | Details |
| 2-keto-3-deoxygluconate | C6H10O6 | 17510-99-5 | Details |
| Caliprazine impurities5 | C19H28Cl2N4O | 839712-25-3 | Details |
| Provean impurity 1 | C9H15NO2 | 1932478-97-1 | Details |
| Coenzyme Q10 (Ubidecarenone) Impurity 7 | C15H20Cl2N2O2S | 24463-35-2 | Details |
| Eltrombopag Impurity 44 | C13H9NO5 | 376591-95-6 | Details |
| RS isomer of clemastine fumarate | C25H30ClNO5 | 61826-30-0 | Details |
| SS isomer of clemastine fumarate | C25H30ClNO5 | 61826-29-7 | Details |
| Phenylephrine EP Impurity A | C8H11NO2 | 5596-07-6 | Details |
| Acarbose EP Impurity D | C19H33NO13 | 68128-53-0 | Details |
| Dapagliflozin Impurity 62 | C15H12ClIO2 | 2305949-33-9 | Details |
| Alpha aesculin impurity 1 | C18H18N2O2 | 790676-40-3 | Details |
| Ivermectin impurity 5 | C48H72O15 | 102190-55-6 | Details |
| Ivermectin impurity 10 | C48H74O14 | 1135339-49-9 | Details |
| Ivermectin impurity 12 | C48H76O14 | 74567-01-4 | Details |
| Norepinephrine Impurity 49 | C8H11NO6S | 35538-87-5 | Details |
| Tobramycin EP Impurity B | C12H26N4O5 | 34051-04-2 | Details |
| Alvartropoppa impurity 46 | Details |
| Perindopril EP Impurity E | C20H34N2O5 | 1356837-89-2 | Details |
| Papaverine EP Impurity D | C20H19NO5 | 522-57-6 | Details |
| Carvedilol EP Impurity A | C36H43N3O7 | 1198090-73-1 | Details |
| Eltrombopag Impurity 32 | C12H14N2O | 1782285-05-5 | Details |
| Budesonide EP Impurity E | C25H32O6 | 131918-64-4 | Details |
| Budesonide EP Impurity C | C25H34O6 | 1040085-99-1 | Details |
| Dexamethasone EP Impurity K | C22H26O4 | 1809224-82-5 | Details |
| Saccharin Monomer-13C6 | C7H5NO3S | 1286479-01-3 | Details |
| bovine serum albumin | N/A | 9048-46-8 | Details |
| Metoprolol Monomer-D6 | C15H25NO3 | 96849-43-3 | Details |
| Dexamethasone Impurity 28 | C27H37FO6 | 33755-46-3 | Details |
| Fosfomycin tromethamine EP ImpurityD | C10H25NO11P2 | 1262243-12-8 | Details |
| Tacrolimus Lactone Isomer | C44H69NO12 | 134590-88-8 | Details |
| 2-pyridin-2-ylprop-2-en-1-ol | C8H9NO | 58379-60-5 | Details |
| N-Methylpyrrolidine Impurity 2 | Details |
| Midazolam Impurity 12 | C18H13ClFN3O | 59468-90-5 | Details |
| Fludarabine impurity 16 | C5H10O5 | 25545-03-3 | Details |
| Fondaparinux impurities15 | Details |
| Fondaparinux impurities4 | Details |
| Fondaparinux impurities6 | Details |
| Fondaparinux impurities7 | Details |
| Fondaparinux impurities10 | Details |
| Fondaparinux impurities11 | Details |
| Fondaparinux impurities12 | Details |
| Fondaparinux impurities17 | Details |
| Vigabatrin Impurity 15 | C7H9NO3 | 71107-20-5 | Details |
| Isopropyl-L-Camphorsulfonate | C13H22O4S | 1242184-40-2 | Details |
| Busulfan Impurity 10(Voriconazole Impurity 13) | Details |
| Biapenem Impurity 1 | C15H20N4O5S | 162559-31-1 | Details |
| Biapenem Impurity 2 | Details |
| Alvartropoppa impurity 47 | Details |
| Fondaparinux impurities1 | Details |
| Fondaparinux impurities3 | Details |
| Caffeine EP impurity F | C7H8N4O2 | 611-59-6 | Details |
| Prilocaine EP Impurity F HCl | C12H19ClN2O | 13327-14-5 | Details |
| Avibactam Impurity 10 | C15H22N2O3 | 2085372-13-8 | Details |
| Avibactam Impurity 12 | C15H22N2O3 | 2089462-91-7 | Details |
| Avibactam Impurity 11 | C15H22N2O3 | 2306254-34-0 | Details |
| (2S,5S)-Avibactam Sodium Salt（Avibactam Impurity 15） | C7H12N3NaO6S | 2064219-26-5 | Details |
| Avibactam Impurity 1 | C7H12N3NaO6S | 1797133-98-2 | Details |
| (2R,5S)-Avibactam Sodium Salt（Avibactam Impurity 14） | C7H12N3NaO6S | 1383814-68-3 | Details |
| Raffinazine impurity 1 | Details |
| Raffinazine impurity 19 | Details |
| Landiolol Impurity 18 | C44H66N6O13 | 1582797-17-8 | Details |
| Fosfomycin tromethamine EP ImpurityB | C7H18NO7P | 1262243-11-7 | Details |
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