Hangzhou Yiyun Guoke Biotechnology Co., Ltd.

Hangzhou Yiyun Guoke Biotechnology Co., Ltd.

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Product Name MF CAS Details
Ambroxol Impurity 1(Ambroxol Impurity F) C14H16Br2N2O 2088879-81-4 Details
Methyl tricosanoate C24H48O2 2433-97-8 Details
Loratadine Impurity 52 C7H6Cl2 620-20-2 Details
4-Acetylbenzonitrile C9H7NO 1443-80-7 Details
Glycopyrrolate Impurity 20 C19H28BrNO3 58493-54-2 Details
Acetaminophen Impurity L C16H16N2O4 2514961-29-4 Details
Eszopiclone Impurity 8 C5H4Cl2N2 4214-74-8 Details
Ibuprofen C13H18O2 15687-27-1 Details
Methyl 5-chlorothiophene-2-carboxylate C6H5ClO2S 35475-03-7 Details
Tolterodine Impurity 3 HCl C22H32ClNO 124936-83-0 Details
Benserazide HCl C10H16ClN3O5 14919-77-8 Details
Isavuconazole Impurity 72 C13H14F2N4OS 368421-58-3 Details
Empagliflozin Impurity 86 Details
Empagliflozin Impurity 87 Details
(R)-Norleucine C6H13NO2 327-56-0 Details
2-Pyridylacetic acid C7H7NO2 13115-43-0 Details
Regorafenib Impurity 41 Details
Iguratimod Impurity 7 C17H18N2O6S 149456-98-4 Details
Iguratimod Impurity 8 C16H16N2O6S 149457-03-4 Details
Tafamidis C14H7Cl2NO3 594839-88-0 Details
Carbidopa Impurity 1 C10H13NO4 555-30-6 Details
Granisetron Impurity 11 C8H16N2 2410626-04-7 Details
DL-Homocysteine C4H9NO2S 454-29-5 Details
Buspirone EP Impurity D C24H38N8O 2724726-67-2 Details
Vonoprazan Impurity 71 C8H6BrFO 655-15-2 Details
Miglitol Impurity 5 C8H17NO6 2230722-74-2 Details
(2S,5S)Avibactam Impurity Details
1-Phenylcyclopentanecarboxylic acid C12H14O2 77-55-4 Details
Apalutamide C21H15F4N5O2S 956104-40-8 Details
N-Nitroso Bumetanide(Mixture of Rotamers) C17H19N3O6S 2490432-02-3 Details
Triacetin C9H14O6 102-76-1 Details
Ranolazine Impurity 5(Lidocaine Impurity 17) C10H13NO2 29183-14-0 Details
Ethyl Triflate C3H5F3O3S 425-75-2 Details
1-(Benzothien-4-yl)piperazine C12H14N2S 846038-18-4 Details
4-Bromo-1-benzothiophene C8H5BrS 5118-13-8 Details
Brexpiprazole Impurity 36 C16H21BrN2S 2143944-65-2 Details
Isobutyramide C4H9NO 563-83-7 Details
Buspirone EP Impurity I oxalic acid C21H30ClN5O2 Details
Baricitinib Impurity 29 C15H17N5O2 1146629-77-7 Details
Carfilzomib Impurity 7 C40H58ClN5O7 1890999-52-6 Details
Febuxostat Impurity 13 Details
Aztreonam Impurity 1 C17H25N5O8S2 330944-50-8 Details
Etoricoxib Impurity 14 C18H13ClN2O2S 855307-79-8 Details
Fenofibrate Impurity 10 Details
Lenalidomide Impurity 13 C13H15N3O4 2197420-75-8 Details
Nicorandil Trimer Dinitrate C24H27N8O9+ 2365474-06-0 Details
N-NitrosoVonoprazan 2932441-73-9 Details
N-Nitrosopiperidine C5H10N2O 100-75-4 Details
Tolvaptan Impurity 11 C26H26N2O3 1432725-23-9 Details
Dyclonine Impurity 6 C12H16O2 5736-89-0 Details
Drotaverine Impurity 8 Details
Drotaverine Impurity 9 C22H28ClNO4 85475-87-2 Details
Warfarin EP Impurity C C10H10O 1896-62-4 Details
Flunarizine EP Impurity B DiHCl C26H28ClFN2 27064-96-6 Details
Flunarizine EP Impurity C DiHCl C26H27ClF2N2 2734416-95-4 Details
Flunarizine EP Impurity D DiHCl C26H26F2N2 693765-11-6 Details
Flunarizine Impurity 6 C25H26F2N2 Details
Flunarizine Impurity 4 C26H26F2N2O 123375-94-0 Details
1,3-Dioxaindan-4-ol C7H6O3 69393-72-2 Details
Methyl(Z)-3-aminocrotonate C5H9NO2 21731-17-9 Details
4-Chloro-1-(Dichloromethyl)-Benzene C7H5Cl3 13940-94-8 Details
Loxoprofen Impurity 3 Sodium Salt Details
Mosapride Impurity 22 C21H25ClFN3O3 112886-56-3 Details
Norepinephrine Impurity 4 C9H13NO3 329-65-7 Details
Exemestane EP Impurity I Details
Exemestane EP Impurity J C22H28O3 1160599-91-6 Details
Exemestane Impurity 5 C21H28O5S 861395-77-9 Details
Dimethyl sulfite C2H6O3S 616-42-2 Details
Melatonin Impurity 1 C12H14N2O2 1210-83-9 Details
Melatonin Impurity 2 C11H14N2O 608-07-1 Details
L-Threonic Acid Calcium Salt C8H14CaO10 70753-61-6 Details
Cefditoren Impurity 15 (Mixture of Diastereomers) Details
Alprazolam EP Impurity C C16H12ClN3O 36916-19-5 Details
Baricitinib Impurity 18 C16H18N6O4S 2271228-52-3 Details
Brexpiprazole Impurity 41 HCl Details
Apremilast Impurity 50 C10H7NO4 6296-53-3 Details
Serotonin C10H12N2O 50-67-9 Details
N2-Acetyl-L-ornithine C7H14N2O3 Details
Landiolol Impurity 30 C15H20O5 2180628-04-8 Details
Landiolol Impurity 33 C12H22N4O4 4432-25-1 Details
Landiolol Impurity 34 Details
Cholesterol EP Impurity B C27H44O 313-04-2 Details
Cholesterol EP Impurity A C27H46O 80-99-9 Details
2,4-Difluoroaniline C6H5F2N 367-25-9 Details
Vitamin B6 Impurity 5 C6H9NO2 5006-20-2 Details
Vitamin B6 Impurity 7 C12H17NO3 1385767-86-1 Details
L-Palmitoyllysolecithin C24H50NO7P 17364-16-8 Details
Phosphatidylcholines,soya, hydrogenated C44H86NO8P 97281-48-6 Details
2,4,5-Trifluorophenylacetic acid C8H5F3O2 209995-38-0 Details
Vonoprazan Impurity H C11H7FN2O 312307-38-3 Details
Trametinib Impurity 2 C12H11FIN3O2 871700-41-3 Details
Trametinib Impurity 3(Mixture of Diastereomers) Details
Adapalene EP Impurity A C22H14O4 932033-58-4 Details
Vitamin K1 Impurity 12(Mixture of Diastereomers) C31H48O4 Details
Fosfomycin Impurity 1 C3H7O3P 26598-36-7 Details
Finerenone Impurity 1 C22H23N3O4 2640280-87-9 Details
Finerenone Impurity 5 Details
Landiolol Impurity 37 C9H9NO 17362-17-3 Details
Oxacillin Impurity 3 C19H19N3O6S 36231-30-8 Details
Bepotastine Impurity 2 C17H19ClN2O 201594-84-5 Details
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