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 |
|
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.
|
|
| Product Name | MF | CAS | Details |
|---|
| Dopamine EP Impurity A | C9H13NO2 | 3213-30-7 | Details |
| Omeprazole Impurity K | C8H10N2O3 | 86604-79-7 | Details |
| Metformin EP Impurity C | C5H10N6 | 1985-46-2 | Details |
| Sulfadimethoxine | C12H14N4O4S | 122-11-2 | Details |
| Rivaroxaban Impurity 71 | C22H19N3O6 | 446292-08-6 | Details |
| Pimavanserin Impurity 1 HCl | C14H13F2N | 646051-52-7 | Details |
| Famotidine Impurity 2(HCl) | C3H9Cl2N3O2S | 106649-95-0 | Details |
| Dinitolmide Impurity E | C8H5N3O4 | 948-31-2 | Details |
| Rivaroxaban Impurity F | C19H18ClN3O5S | 865479-71-6 | Details |
| Famotidine Impurity D | C8H13N5OS2 | 76824-16-3 | Details |
| Lysine impurity 1 | C8H16N2O3 | 51621-57-9 | Details |
| Gliclazide EP Impurity C | C10H13NO4S | 5577-13-9 | Details |
| Isomaltitol | C12H24O11 | 64519-82-0 | Details |
| Posaconazole Impurity MPPA | C11H16N2O | 38212-30-5 | Details |
| methyl (Z)-2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate | C10H11ClN2O3 | 70736-27-5 | Details |
| L-aspartyl-L-phenylalanine | C13H16N2O5 | 13433-09-5 | Details |
| Voriconazole EP Impurity C | C6H7FN2 | 137234-88-9 | Details |
| Bazedoxifene Impurity 6 | C37H40N2O3 | 328933-58-0 | Details |
| Famotidine Impurity 1(HCl) | C5H8Cl2N4S | 84545-70-0 | Details |
| Lenalidomide Impurity 42 | C8H7NO4 | 1975-50-4 | Details |
| Levocarnitine Impurity 8 | C6H15Cl2NO | 101396-91-2 | Details |
| Desoxyisoproterenol hydrochloride | C11H18ClNO2 | 5178-52-9 | Details |
| 4-Butylphenol | C10H14O | 1638-22-8 | Details |
| (R)-Phenylethanol | C8H10O | 1517-69-7 | Details |
| Baloxavir | C24H19F2N3O4S | 1985605-59-1 | Details |
| Ibuprofen EP Impurity D | C10H12O2 | 938-94-3 | Details |
| Tenofovir Impurity 58 | C10H14O3S | 2307-69-9 | Details |
| Pitavastatin Impurity 30 | C19H15BrFN | 154057-56-4 | Details |
| Sodium D-Glucuronate Monohydrate | C6H11NaO8 | 207300-70-7 | Details |
| O-Desmethylvenlafaxine | C16H25NO2 | 93413-62-8 | Details |
| 2-Isoniazid | C6H7N3O | 1452-63-7 | Details |
| Fluralaner-014 | C4H7F3N2O | 359821-38-8 | Details |
| 2-Methyl Benzenesulfonic acid | C7H8O3S | 88-20-0 | Details |
| Bazedoxifene Impurity 7 | C44H46N2O3 | 198480-21-6 | Details |
| Telmisartan EP Impurity F | C33H31N5O | 915124-86-6 | Details |
| Amlodipine EP Impurity D Oxalate | C22H25ClN2O9 | 1216406-90-4 | Details |
| Paclitaxel EP Impurity H | C45H49NO13 | 78454-17-8 | Details |
| Rivaroxaban Impurity G | C36H36N6O10 | 1365267-36-2 | Details |
| Rivaroxaban Impurity D | C19H17Cl2N3O5S | 1770812-37-7 | Details |
| Paclitaxel EP Impurity E | C47H51NO14 | 105454-04-4 | Details |
| Lysine impurity 24 | C10H18N2O4 | 499-86-5 | Details |
| Nicorandil Impurity 44 | C4H9NO2 | 1854-30-4 | Details |
| Piperidone impurity 3 | Details |
| Finasteride EP Impurity B | C20H29NO3 | 103335-41-7 | Details |
| Piracetam EP Impurity B | C7H11NO3 | 59776-88-4 | Details |
| MetocloprDmide EP Impurity D | C11H13NO4 | 4093-29-2 | Details |
| Relugolix Impurity 7 | Details |
| Relugolix Impurity 11 | Details |
| Articaine EP Impurity B | C12H18N2O3S | 114176-52-2 | Details |
| Paclitaxel EP Impurity N | C31H38O11 | 27548-93-2 | Details |
| Pentoxifylline | C13H18N4O3 | 6493-05-6 | Details |
| Pitavastatin Impurity 31 | C19H16FNO | 121660-11-5 | Details |
| Epinephrine bitartrate | C13H19NO9 | 51-42-3 | Details |
| Levodopa EP Impurity D | C9H11NO4 | 5796-17-8 | Details |
| Mesalazine EP Impurity F | C7H7NO3 | 570-23-0 | Details |
| Minoxidil EP Impurity A | C4H5ClN4O | 35139-67-4 | Details |
| Furosemide EP Impurity C | C7H7ClN2O4S | 3086-91-7 | Details |
| Carbamazepine Impurity 5 | C14H11Cl2N | 13080-74-5 | Details |
| Hexahydrocurcumin | C21H26O6 | 36062-05-2 | Details |
| Papaverine EP Impurity B | C20H21NO5 | 482-76-8 | Details |
| Bedaquiline Impurity 31 | C32H31BrN2O2 | 857086-93-2 | Details |
| Bedaquiline Impurity 32 | C32H31BrN2O2 | 654655-80-8 | Details |
| Bedaquiline Impurity 33 | C31H29BrN2O2 | 861709-47-9 | Details |
| Dydrogesterone Impurity 4 | C25H36O4 | 19592-55-3 | Details |
| Dydrogesterone Impurity 5 | C25H36O4 | 5488-51-7 | Details |
| Calcifediol EP Impurity D | C27H44O2 | 1233749-00-2 | Details |
| Coenzyme Q10 (Ubidecarenone) EP Impurity F | C59H90O4 | 65085-29-2 | Details |
| Aspartame impurity 1 | C14H13D5N2O5 | 1356849-17-6 | Details |
| Evelviren impurity 2(RAC 8-hydroxy-efeviren) | C14H9ClF3NO3 | 205754-32-1 | Details |
| Effervellen impurity3 | C14H4ClD5F3NO2 | 1132642-95-5 | Details |
| Flurbiprofen-D3 | C15H10D3FO2 | 1185133-81-6 | Details |
| Caffeine Impurity 9 | Details |
| Irotinib impurity D | C50H48N12O4 | 2417548-76-4 | Details |
| 2,5 - [(s) - 2-isobutyl-3-carboxypropylamino] - 1,4-benzoquinone | Details |
| Pentoxifylline Impurity 12 | C6H10O | 16015-11-5 | Details |
| Carbazochrome Sodium Sulfonate Impurity 7 | C10H12N4O5S | 2666934-59-2 | Details |
| Tirofiban Impurity 2 | C22H36N2O5S | 158808-86-7 | Details |
| 1,4-dihydro-1,3,5-triazine | C3H5N3 | 45427-50-7 | Details |
| Testosterone Impurity 4 | C19H24O2 | 68539-12-8 | Details |
| Fluvastatin EP Impurity F | C24H24FNO3 | 1207963-21-0 | Details |
| (S)-Tenofovir | C9H14N5O4P | 147127-19-3 | Details |
| Relugolix Impurity 2 | Details |
| FMOC- phenylalanyl-phenylalanine | C33H30N2O5 | 84889-09-8 | Details |
| Tirofiban Impurity A | C13H19NO5S | 149490-60-8 | Details |
| Diquafosol Impurity 26 | Details |
| Relugolix | C29H27F2N7O5S | 737789-87-6 | Details |
| Paclitaxel Impurity 19 | C29H36O10 | 32981-86-5 | Details |
| Valdecoxib | C16H14N2O3S | 181695-72-7 | Details |
| Reserpine | C33H40N2O9 | 50-55-5 | Details |
| FMOC-L-4-Fluorophe | C24H20FNO4 | 169243-86-1 | Details |
| Amoxicillin | C16H19N3O5S | 26787-78-0 | Details |
| Amikacin Disulfate | C22H45N5O17S | 39831-55-5 | Details |
| Tranexamic Acid EP Impurity B | C8H15NO2 | 1197-17-7 | Details |
| PalbociclibImpurity6 | C14H20BrN3O2 | 153747-97-8 | Details |
| Dabigatran | C25H25N7O3 | 211914-51-1 | Details |
| OmeprazoleImpurity2 | C7H10N2O | 102-51-2 | Details |
| Tenofovir Impurity 51 | C21H29N6O5P | 379270-37-8 | Details |
| Relugolix Impurity 5 | C26H27F2N3O6S | 1589503-97-8 | Details |
| Cyanocobalamin;Vitamin B12 | C63H88CoN14O14P | 68-19-9 | Details |
| Caffeine EP impurity A | C7H8N4O2 | 58-55-9 | Details |
| Product Total： Product Page： | ||||
| 1 2 3 4 5 6 7 8 9 10 | ||||