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 |
|---|
| Lysine impurity 16 | C13H18N2O4 | 37987-69-2 | Details |
| Polyethylene glycol monodecyl ether | C26H54O9 | 24233-81-6 | Details |
| Etoricoxib | C18H15ClN2O2S | 202409-33-4 | Details |
| Ketoprofen EP Impurity C | C10H10O4 | 68432-95-1 | Details |
| Ketoprofen EP Impurity E | C16H15NO2 | 59512-16-2 | Details |
| Cefotaxime EP Impurity A | C14H15N5O5S2 | 65052-63-3 | Details |
| Rifampicin impurities7 | C43H58N4O12 | 1416773-22-2 | Details |
| Carvedilol Impurity 20 | C15H15NO3 | 123119-89-1 | Details |
| Propafenone Impurity 13 | C18H22ClNO3 | 1188263-52-6 | Details |
| Bumetanide Impurity 14 | C7H7ClN2O2 | 69236-82-4 | Details |
| Hydrocortisone EP Impurity F | C21H30O4 | 152-58-9 | Details |
| Ketoprofen EP Impurity K(Mixture of Isomers) | Details |
| Metoclopramide Impurity 3 | C9H10ClNO3 | 121048-67-7 | Details |
| Oxcarbazepine EP Impurity L | C17H14N2O3 | 2642430-28-0 | Details |
| Raffinazine impurity 25 | C14H17NO4 | 1158699-78-5 | Details |
| Bupivacaine EP Impurity B | C14H20N2O | 15883-20-2 | Details |
| Lifitegrast Impurity 59 | Details |
| Carbazochrome Sodium Sulfonate Impurity 28 | Details |
| Dapoxetine Impurity 43 | C19H19NO | 147199-40-4 | Details |
| Cefditoren Pivoxil Impurity 6 | C13H13N3O3S2 | 155723-02-7 | Details |
| Cefotaxime EP Impurity E（Ceftriaxone EP Impurity B） | C14H13N5O5S2 | 66340-33-8 | Details |
| Adenosine Ep Impurity A | C5H5N5 | 73-24-5 | Details |
| Mycophenolate Mofetil EP Impurity H | C17H20O6 | 26675-76-3 | Details |
| Nintedanibimpurity58 | Details |
| Guaifenesin | C10H14O4 | 93-14-1 | Details |
| Cefcapene pivoxil Impurity 23 | Details |
| Prilocaine Hydrochloride | C13H21ClN2O | 1786-81-8 | Details |
| Diquafosol Impurity-UDP | C9H15N2NaO12P2 | 27821-45-0 | Details |
| Mycophenolate Mofetil EP Impurity A | C22H29NO7 | 1322681-36-6 | Details |
| Diltiazem EP Impurity B | C18H17NO4S | 87447-47-0 | Details |
| Bisacodyl | C22H19NO4 | 603-50-9 | Details |
| Bupivacaine Impurity 5 | C22H37N2O | 852804-30-9 | Details |
| (Z)-Ethyl N-hydroxyacetimidate | C4H9NO2 | 20703-42-8 | Details |
| Tetracaine Impurity 10 | Details |
| Prilocaine EP Impurity A | C10H12ClNO | 19281-31-3 | Details |
| Ketoprofen EP Impurity D | C17H16O3 | 107257-20-5 | Details |
| Mesalazine EP Impurity J | C7H8N2O3 | 112725-89-0 | Details |
| Oxcarbazepine impurity 1 | C16H13N3O3 | 2642430-30-4 | Details |
| Triclosan Impurity 11 | Details |
| Butylphthalide Impurity 4;Chlortalidone Impurity 7 | C8H6O2 | 87-41-2 | Details |
| Cefdinir Impurity 1 | C13H13N5O5S2 | 71091-93-5 | Details |
| Rifampicin impurities4 | C43H58N4O12 | 1416773-23-3 | Details |
| Diltiazem EP Impurity H | C17H18N2O3S | 115992-91-1 | Details |
| Cefotaxime Ring-Opening Lactone | C14H15N5O6S2 | 75679-12-8 | Details |
| Oxacillin Impurity 3 | C19H18ClN3O5S | 21106-64-9 | Details |
| Raffinazine impurity 11 | C19H22N2O2 | 1289178-26-2 | Details |
| Cefotaxime EP Impurity C | C17H17N5O8S2 | 66403-32-5 | Details |
| Oxacillin Impurity 4 | Details |
| Mycophenolate Mofetil EP Impurity G | C23H31NO8 | 224052-51-1 | Details |
| Propafenone EP Impurity D | C18H20O4 | 91401-73-9 | Details |
| Propafenone EP Impurity B | C21H25NO3 | 88308-22-9 | Details |
| Lifitegrast Impurity 25 | C20H20Cl2N2O5S | 851785-70-1 | Details |
| Fluoxetine EP Impurity C | C17H18F3NO | 56161-72-9 | Details |
| Raffinazine impurity 24 | C14H18N2O3 | 938143-02-3 | Details |
| Formic acid | CH2O2 | 64-18-6 | Details |
| Emedastine EP Impurity D | C15H20N4 | 130263-14-8 | Details |
| Metoclopramide Impurity 13 | C7H6ClNO3 | 21386-95-8 | Details |
| DL aminocaprolactam | C6H12N2O | 671-42-1 | Details |
| Propafenone Impurity 51 | C25H27NO3 | 178691-47-9 | Details |
| Ketoprofen EP Impurity L | C19H20O3 | 1797984-80-5 | Details |
| Phenylpropanol impurities | C9H12O3 | 46118-02-9 | Details |
| Carvedilol Impurity 26 | C16H18O4 | 553-45-7 | Details |
| Lupatadine Impurity 3 | C7H8ClN | 1007089-84-0 | Details |
| Lysine impurity 18 | Details |
| Tetracaine Impurity 12 | Details |
| Cefotaxime EP Impurity B | C14H15N5O6S2 | 66340-28-1 | Details |
| Mycophenolate Mofetil EP Impurity C | C23H31NO7 | 2286278-51-9 | Details |
| Adapalene | C28H28O3 | 106685-40-9 | Details |
| Lysine impurity 15 | C6H14N2O3 | 19460-99-2 | Details |
| Lysine mix2 | Details |
| Oxacillin sodium EP Impurity E | C19H18ClN3O5S | 61-72-3 | Details |
| 5-Hydroxymethyl-2-furancarboxylic acid | C6H6O4 | 6338-41-6 | Details |
| Formoterol Impurity 29 | C32H34N2O5 | 43229-67-0 | Details |
| Adenosine | C10H13N5O4 | 58-61-7 | Details |
| Ketoprofen EP Impurity J | C18H18O3 | 1785759-59-2 | Details |
| Oxcarbazepine EP Impurity G | C17H17NO | 15882-79-8 | Details |
| D-Mannitol(Xylitol EP Impurity C) | C6H14O6 | 69-65-8 | Details |
| Lysine impurity 17 | C12H27ClN4O3 | 164262-23-1 | Details |
| Formoterol Impurity 8 | C10H16ClNO | 50505-80-1 | Details |
| Mycophenolate Mofetil EP Impurity E | C18H22O6 | 31858-66-9 | Details |
| Formoterol EP Impurity G HCl | 3706-26-1 | Details |
| Fluoxetine impurity 7 | C21H22F3NO4 | 1026723-45-4 | Details |
| Propafenone EP Impurity E | C18H19ClO3 | 165279-79-8 | Details |
| Mycophenolate Mofetil EP Impurity F（Mycophenolic acid (E) - isomer） | C17H20O6 | 24280-93-1 | Details |
| Fluoxetine EP Impurity B | C10H15N | 23580-89-4 | Details |
| Clomipramine Impurity 3 | C16H14ClNO | 25961-11-9 | Details |
| Timolol Impurity 13 | C13H24N4O5S | 75014-25-4 | Details |
| Propylene glycol | C3H8O2 | 57-55-6 | Details |
| Lysine mix | C8H16N2O3 | 24321-24-2 | Details |
| Cefotaxime Open-Ring Decarboxy Lactone | C13H15N5O4S2 | 130468-09-6 | Details |
| Cefditoren Pivoxil Impurity 37 | Details |
| Adenosine phosphate | C10H14N5O7P | 61-19-8 | Details |
| Carvedilol EP Impurity C | C31H32N2O4 | 72955-94-3 | Details |
| Avanafil Related Compound 1 | C16H18ClN3O4S | 330785-82-5 | Details |
| Bupivacaine EP Impurity E | C18H30N2O | 1330172-81-0 | Details |
| Hydrocortisone Acetate EP Impurity D | C23H30O6 | 50-04-4 | Details |
| Tranexamic Impurity 11 | C8H8ClNO2 | 165530-43-8 | Details |
| Bupivacaine Impurity 6 | C18H28N2O | 2125994-25-2 | Details |
| Eltrombopag Impurity 47 | C25H22N4O4 | 1217230-31-3 | Details |
| Gadobutrol impurity 1 | C16H28N4O8 | 60239-18-1 | Details |
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