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 |
|---|
| 4-Toluenesulfonic acid | C7H8O3S | 104-15-4 | Details |
| Cyclopentanone | C5H8O | 120-92-3 | Details |
| N-Acetylaniline | C8H9NO | 103-84-4 | Details |
| Mesalazine EP Impurity E | C7H7NO3 | 65-49-6 | Details |
| Isoniazid EP Impurity C | C6H4N2 | 100-48-1 | Details |
| Isoniazid EP Impurity B | C6H6N2O | 1453-82-3 | Details |
| Adrenaline hydrochloride | C9H14ClNO3 | 329-63-5 | Details |
| D-Glucuronic-Acid-Lactone | C6H8O6 | 32449-92-6 | Details |
| Dinitolmide Impurity B | C8H6N2O6 | 28169-46-2 | Details |
| Calcium Gluconate | C12H22CaO14 | 299-28-5 | Details |
| Zinc Gluconate | C12H22O14Zn | 4468-02-4 | Details |
| Azelastine EP Impurity A | C7H8N2O | 613-94-5 | Details |
| Sodium Thiosulfate | Na2O3S2 | 7772-98-7 | Details |
| Ethanolamine | C2H7NO | 141-43-5 | Details |
| Piperacillin Ring Opening Methyl Ester | Details |
| Emedastine N-Oxide | C17H26N4O2 | 122484-65-5 | Details |
| Emedastine EP Impurity F | Details |
| Emedastine EP Impurity C | C15H22N4O | 122423-32-9 | Details |
| Crisaborole Impurity 13 | C14H11NO2 | 888967-63-3 | Details |
| Dabigatran Impurity F | C19H20N4O4 | 1642853-67-5 | Details |
| Piperacillin EP Impurity L | Details |
| E -Cefdinir | C14H13N5O5S2 | 178601-88-2 | Details |
| 16-Epi-Clobetasol | C22H28ClFO4 | 61319-46-8 | Details |
| Crisaborole Impurity 52 | C14H11BO5 | 906673-43-6 | Details |
| Cefditoren Acid | C19H18N6O5S3 | 104145-95-1 | Details |
| Piperacillin EP Impurity D | C39H44N8O10S2 | 65772-67-0 | Details |
| Loxoprofen Related Compound 6 | Details |
| Acetyl L-carnitine impurity 3 | Details |
| Dexamethasone Impurity 33 | C21H27FO4 | 75262-69-0 | Details |
| Olaparib Impurity 17 | Details |
| Amlodipine EP Impurity A | C28H27ClN2O7 | 88150-62-3 | Details |
| 1- (2-butoxyphenyl) ethanone | C12H16O2 | 7197-02-6 | Details |
| Dyclonine Impurity 5 | C13H18O3 | 165261-15-4 | Details |
| Olaparib Impurity 11 | C16H10FNO3 | 2630919-53-6 | Details |
| 4- (n-butyloxy) Acetophenone | C12H16O2 | 5736-89-0 | Details |
| 4-Ethoxypyridine | C7H9NO | 33399-46-1 | Details |
| Dipropivacaine impurity 1 | Details |
| Dexamethasone Sodium Phosphate EP Impurity G | C21H27FO5 | 37927-01-8 | Details |
| Telmisartan EP Impurity E | C26H24N2O4 | 884330-12-5 | Details |
| Peramivir impuritiy 11 | Details |
| Dyclonine Impurity 13 | C14H22O | 28066-70-8 | Details |
| Dexamethasone Impurity 21 | C22H31FO4 | 432-54-2 | Details |
| Amisulpride Impurity 13 | C11H15NO3 | 42832-22-4 | Details |
| Bromocriptine EP Impurity C | C32H40BrN5O5 | 65700-36-9 | Details |
| Sildenafil Impurity 4 | C18H20N4O4 | 147676-78-6 | Details |
| Sildenafil Derivative 5 | Details |
| Dabigatran Impurity 2 | Details |
| Sildenafil Derivative 6 | Details |
| Carbodenafil | C24H32N6O3 | 944241-52-5 | Details |
| Piperacillin EP Impurity C | C22H29N5O6S | 64817-23-8 | Details |
| Lansoprazole Impurity 22 | C6H8N2 | 95-54-5 | Details |
| Sodium sulfite | Na2O3S | 7757-83-7 | Details |
| Triphenylphosphine | C18H15P | 603-35-0 | Details |
| 4＇-Hydroxyacetophenone | C8H8O2 | 99-93-4 | Details |
| Olaparib Impurity 25 | C16H9FO4 | 1423030-11-8 | Details |
| Dexamethasone EP Impurity F | C22H29FO4 | 382-67-2 | Details |
| Dexamethasone EP Impurity G | C24H31FO6 | 1177-87-3 | Details |
| Dexamethasone tripropionate | C28H37FO7 | 55541-30-5 | Details |
| Dexamethasone Impurity 18 | C21H30F2O5 | 1687742-59-1 | Details |
| Dexamethasone Acid Ethyl Ester | Details |
| Lenvatinib Impurity 34 HCl | Details |
| Lenvatinib Impurity 35 | Details |
| Telmisartan Impurity 9 | C27H26N2O4 | 884330-11-4 | Details |
| N-Acetylphenylephrine | C11H15NO3 | 58952-80-0 | Details |
| Lenvatinib Impurity 33 | Details |
| Carbodenafil Impurity 1 | C22H28N6O3 | 1027192-92-2 | Details |
| Cefdinir Impurity F | C14H13N5O5S2 | 934986-49-9 | Details |
| Olaparib Impurity 2 | C16H11FO5 | 2409514-28-7 | Details |
| Emedastine EP Impurity A | C11H14N2O2 | 101953-61-1 | Details |
| Pranoprofen Impurity 25 | Details |
| Amisulpride Impurity 11 | C10H13NO3 | 106868-33-1 | Details |
| Arbidol Impurity 8 | C15H17NO4 | 40945-79-7 | Details |
| Arbidol Impurity 3 | C22H25BrN2O4S | 151455-33-3 | Details |
| Lenvatinib Impurity 36 | Details |
| Sulbactam EP Impurity F | C8H9Br2NO3S | 24158-88-1 | Details |
| Dyclonine Impurity 4 | Details |
| Arbidol Impurity 6 | C13H14BrNO3 | 40945-68-4 | Details |
| Emedastine EP Impurity B | C11H13ClN2O | 87233-54-3 | Details |
| Pranoprofen Impurity 1 | C14H11NO2 | 53944-31-3 | Details |
| Dexamethasone Impurity 54 | C20H25FO3 | 1880-61-1 | Details |
| Lifitegrast Impurity 51 | C10H14ClNO4S | 2177264-60-5 | Details |
| Sulbactam Impurity 26 | C8H9Br2NO4S | 128657-18-1 | Details |
| Dipropivacaine impurity 3 | Details |
| Lifitegrast Impurity 5 | C10H10Cl3NO2 | 1289646-93-0 | Details |
| Landiolol Impurity 4 | C19H29N3O6 | 190601-22-0 | Details |
| Landiolol Impurity 9 | C25H40ClN3O8 | 1253907-81-1 | Details |
| Metformin EP Impurity F HCl | C2H8ClN | 506-59-2 | Details |
| ArgatrobanGlycerideImpurity | Details |
| Pranoprofen Impurity 26 | Details |
| Sulbactam Impurity 16 | C8H10BrNO4S | 1262313-06-3 | Details |
| Sulbactam Impurity 21 | Details |
| Dyclonine Impurity 2 | C13H16O2 | 66536-15-0 | Details |
| Amlodipine EP Impurity F | C19H23ClN2O5 | 140171-66-0 | Details |
| Amlodipine EP Impurity H | C28H29ClN2O8 | 318465-73-5 | Details |
| Amlodipine Impurity 48 | C18H20ClNO4 | 39562-06-6 | Details |
| Penicillanic Acid | C8H11NO3S | 87-53-6 | Details |
| Capecitabine Impurity 1 | C9H12FN3O4 | 66335-38-4 | Details |
| Amlodipine EP Impurity E | C21H27ClN2O5 | 140171-65-9 | Details |
| Duloxetine EP Impurity D(Dapoxetine Impurity D/1-Naphthol) | C10H8O | 90-15-3 | Details |
| L-Ascorbic Acid;Vitamin C | C6H8O6 | 50-81-7 | Details |
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