Product Categories
| Country: | China |
|---|---|
| Tel: | 18922120635 |
| Mobile: | 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 |
|---|
| Deferasirox impurities1 | C7H6N2O3 | 91673-51-7 | Details |
| Diquafosol Impurity 30 | C9H15N3O11P2 | 2922-94-3 | Details |
| Budesonide EP Impurity J | C25H33BrO6 | 313474-59-8 | Details |
| Ticargrelor impurity 6 | 3776608-65-0 | Details |
| Azacitidine Impurity 27 | Details |
| Fluticasone Furoate Impurity G | C27H29ClF2O6S | 785806-96-4 | Details |
| Digoxin EP Impurity K | C47H74O17 | 31539-05-6 | Details |
| (R)-3-((S)-4-Benzyl-2-Oxooxazolidine-3-Carbonyl)Hexanenitrile | C17H20N2O3 | 2242963-07-9 | Details |
| Digoxin EP Impurity E | C41H64O15 | 52589-12-5 | Details |
| Fluticasone Propionate EP Impurity K | Details |
| Dopamine Impurity 6 | C9H9NO4 | 4430-97-1 | Details |
| Lincomycin EP Impurity E | C9H17NO2 | 13380-36-4 | Details |
| Drotaverine Impurity 3 | C22H27NO4 | 85475-88-3 | Details |
| Tacrolimus 8-Epimer | C44H69NO12 | 129212-35-7 | Details |
| Pregnanolone sulfate pyridinium salt | C26H39NO5S | 124107-39-7 | Details |
| Darunavir impurity 2 | Details |
| Azacytidine impurity B | Details |
| Tacrolimus Impurity 22 | C44H71NO13 | 1700657-83-5 | Details |
| Digoxin EP Impurity G | C41H64O14 | 55576-67-5 | Details |
| Lactulose EP Impurity F | Details |
| Abiraterone Impurity 37 | Details |
| Utapenem USP Impurity R | Details |
| Orlistat Impurity 27 | C29H55NO6 | 130676-66-3 | Details |
| Lornoxicam Impurity 44 | C13H11N3O4S2 | 59804-37-4 | Details |
| Tacrolimus Diene Impurity | C44H67NO11 | 104987-16-8 | Details |
| Dabigatran Impurity 3 | Details |
| Eltrombopag Impurity 41 | C7H9BO2 | 17933-03-8 | Details |
| Azacytidine impurity C | Details |
| Arginine Impurity 15 | C6H11N3O2 | 89531-99-7 | Details |
| Fluticasone Impurity 15 | C26H28F2O7 | 397864-63-0 | Details |
| Fluticasone Furoate Impurity 01 | C25H31F3O5S | 398454-97-2 | Details |
| Siponimod Impurity 8 | Details |
| Dacotinib impurity 1 | C24H27ClFN5O5S | 2641759-50-2 | Details |
| Voglibose Impurity 18 | Details |
| Valproic Acid Impurity 10 | C11H20O3 | 109578-13-4 | Details |
| Tobramycin Related Compound A | C12H25N3O7 | 20744-51-8 | Details |
| Risperidone EP Impurity B | C23H28F2N4O2 | 132961-05-8 | Details |
| Eltrombopag Impurity 40 | C13H12ClNO3 | 376591-97-8 | Details |
| Budesonide EP Impurity H | C25H32O5 | 313474-58-7 | Details |
| Budesonide EP Impurity I | C25H34O7 | 113930-13-5 | Details |
| Cyanocobalamin Impurity H | C63H88CoN14O14P | 41325-63-7 | Details |
| Lenalidomide Impurity 1 | C13H15N3O4 | 2197420-75-8 | Details |
| Dacotinib impurity 2 | C19H16ClFN4O3 | 2190490-31-2 | Details |
| Pyrrolidine impurity 4 | C13H19NO | 127641-25-2 | Details |
| Eltrombopag Impurity 46 | C26H16N2O6 | 1428987-69-2 | Details |
| Faropenem Impurity 31 | C12H13NO5S | 1376616-67-9 | Details |
| Faropenem Impurity 32 | C21H35NO6SSi | 1013911-90-4 | Details |
| Clindamycin Impurity 5 (N-Demethylclindamycin) | C17H31ClN2O5S | 22431-45-4 | Details |
| Palbociclib Impurity P | C9H14N4 | 1082876-26-3 | Details |
| Palonosetron Impurity 45 | C19H24N2O2 | 848074-08-8 | Details |
| Lincomycin EP Impurity B | C18H32N2O6S | 37744-65-3 | Details |
| Losartan Impurity 41 | C5H10N2O3 | 61445-55-4 | Details |
| Nicardipine Impurity 16 | C15H17NO6 | 2469555-30-2 | Details |
| Lornoxicam Impurity 38 | C14H12ClN3O4S2 | 2469039-23-2 | Details |
| Fluticasone Furoate EP Impurity H | Details |
| Ticargrelor impurity 8 | Details |
| Lincomycin EP Impurity C | C17H32N2O6S | 2256-16-8 | Details |
| Eltrombopag Impurity 33 | C7H9BO2 | 16419-60-6 | Details |
| Raffinazine impurity 3 | C13H11NO2 | 50443-60-2 | Details |
| Vitamin A Impurity 9（9-Cis-Retinyl Palmitate） | C36H60O2 | 34356-29-1 | Details |
| Cefazolin Impurity 50 | C5H8N4O2 | 26240-90-4 | Details |
| CP-547632 (hydrochloride) | C20H25BrClF2N5O3S | 252003-71-7 | Details |
| Lornoxicam Impurity 24 | C9H8ClNO5S2 | 70415-50-8 | Details |
| Ascorbic Acid EP Impurity G | C6H6O7 | 66757-69-5 | Details |
| Ascorbic Acid EP Impurity H | C7H8O7 | 122046-79-1 | Details |
| Clindamycin phosphate impurity 4 | Details |
| Tacrolimus Impurity 38 | C43H69NO11 | 143210-33-7 | Details |
| Siponimod Impurity 9 | Details |
| Candesartan Cilexetil Impurity9 | C9H15ClO3 | 142269-40-7 | Details |
| Efinaconazole Impurity 22 | C12H11F2N3O | 135270-07-4 | Details |
| Palonosetron Impurity 47 | C19H24N2O2 | 176019-33-3 | Details |
| Vitamin A Impurity 4 (13-Cis Vitamin A Palmitate) | C36H60O2 | 26771-20-0 | Details |
| Tacrolimus Impurity 9 | C44H71NO13 | 144432-23-5 | Details |
| Azacitidine Impurity 45 | C11H15N3O6 | 18531-23-2 | Details |
| Mupirocin Impurity 14 | C5H10O5 | 613-83-2 | Details |
| Ticargrelor impurity 5 | C14H25NO10 | 2376278-71-4 | Details |
| Mivacurium Chloride | C58H80ClN2O14+ | 106861-44-3 | Details |
| Candesartan Cilexetil Impurity11 | C22H16N6O3 | 168434-02-4 | Details |
| Acotiamide Impurity LGK（Acotiamide Impurity 43） | C23H20N6O | 1243244-14-5 | Details |
| Tacrolimus Ring-opening Impurity | C44H69NO12 | 1393890-33-9 | Details |
| Cefalexin EP Impurity B(Cefadroxil EP Impurity B/Cefradine EP Impurity A) | C8H10N2O3S | 22252-43-3 | Details |
| Avatroposide impurities | C6H11Cl2NO | 42060-79-7 | Details |
| Utapenem USP Impurity D | C12H14N2O4 | 770703-11-2 | Details |
| Vincristine EP Impurity G | C46H54N4O10 | 54022-49-0 | Details |
| Rifamycin Related Impurity 1 | Details |
| Rifaximin EP Impurity D | C39H47NO15 | 15271-73-5 | Details |
| Eltrombopag Impurity 35 | C12H14N2O | 277299-70-4 | Details |
| Budesonide EP Impurity K | C27H36O7 | 51333-05-2 | Details |
| Tacrolimus 8-Propyl Analog | C44H71NO12 | 104987-30-6 | Details |
| Candesartan Cilexetil Impurity12 | C62H48N6O3 | 1215772-81-8 | Details |
| Epalrestat Impurity 24 | C5H5NO3S2 | 179027-75-9 | Details |
| Donepezil EP Impurity C | C24H29NO4 | 2452407-76-8 | Details |
| Perindopril EP Impurity H | C30H48N4O4 | 353777-64-7 | Details |
| Eltrombopag Impurity 45 | C14H11NO5 | 376591-94-5 | Details |
| Lornoxicam Impurity 3 | C5H3ClO4S2 | 187746-97-0 | Details |
| Avibactam Impurity 49 | C14H20N2O3 | 1416134-73-0 | Details |
| Ilaprazole Impurity 2 | Details |
| Abiraterone Impurity 1 | C27H35NO2 | 1620323-43-4 | Details |
| Vitamin A impurity 10 (retinol impurity 4) | C36H60O2 | 34356-30-4 | Details |
| Vildagliptin Impurity 58 | C6H11NO2 | 2577-48-2 | Details |
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