Hangzhou Yiyun Guoke Biotechnology Co., Ltd.

Hangzhou Yiyun Guoke Biotechnology Co., Ltd.

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Product Name MF CAS Details
Ondansetron EP Impurity H C17H17N3O 99614-14-9 Details
DL-Norepinephrine hydrochloride C8H12ClNO3 55-27-6 Details
Pyrophosphoryl chloride Cl4O3P2 13498-14-1 Details
Progesterone Impurity 3 C20H24O5 78261-67-3 Details
Methyl 2-(2,3-Dichlorobenzylidene)Acetoacetate C12H10Cl2O3 74073-22-6 Details
Cefazolin C14H14N8O4S3 25953-19-9 Details
Bempedoic Acid Impurity 17 C23H42O5 738606-43-4 Details
N-Nitrosomorpholine C4H8N2O2 59-89-2 Details
Aprepitant C23H21F7N4O3 170729-80-3 Details
Methylcobalamin C63H90CoN13O14P 13422-55-4 Details
Dapoxetine Impurity 22 C9H11ClO 100306-33-0 Details
Dapoxetine Impurity 25 C17H19NO 112068-01-6 Details
Asparagine C4H8N2O3 70-47-3 Details
Piribedil Impurity 16 C16H14O5 42123-22-8 Details
Piribedil Impurity 18 C16H14O5 109600-72-8 Details
Piribedil Impurity 19 Details
Brexpiprazole Impurity 17 C25H27N3O4S 2247155-42-4 Details
Bupivacaine Impurity 2 C17H26N2O 98626-61-0 Details
Ascorbic Acid Impurity 1 C6H6O6 490-83-5 Details
Fluticasone Propionate EP Impurity K Details
N-Methylparoxetine C20H22FNO3 110429-36-2 Details
Glycopyrronium Bromide EP Impurity J C13H16O3 427-49-6 Details
Loxoprofen Impurity 24 C18H22O5 308279-38-1 Details
Diltiazem EP Impurity A HCl C22H27ClN2O4S 103532-27-0 Details
Vonoprazan Impurity 68 C5H4ClNO2S 16133-25-8 Details
Emedastine EP Impurity B C11H13ClN2O 87233-54-3 Details
Emedastine EP Impurity D HCl C15H20N4 Details
Baloxavir Marboxil Impurity 12 C14H10F2OS 1985607-83-7 Details
Oxymetazoline EP Impurity B HCl C16H25ClN2 1218-35-5 Details
Bempedoic Acid Impurity 22 Details
6-Methoxy-3-pyridazinamine C5H7N3O 7252-84-8 Details
Relugolix Impurity 40 C27H22F2N6O5S 1589503-96-7 Details
Promestriene Impurity 8 C22H30O2 2575516-67-3 Details
Methimazole Dimer Details
Labetalol EP Impurity C C16H18N2O3 2386661-13-6 Details
Labetalol Impurity 3 C10H15N 22374-89-6 Details
L-Lysine HCl C6H14N2O2.ClH 657-27-2 Details
Carnosine Impurity 3 Disodium Salt Details
Levocetirizine N-Oxide C21H25ClN2O4 442863-80-1 Details
4-Octylphenol C14H22O 140-66-9 Details
Dobutamine Impurity 1 C8H8O2 123-11-5 Details
10,10-Dimethylanthrone C16H14O 5447-86-9 Details
Revefenacin Impurity 1 C35H43N5O5 3001303-50-7 Details
Revefenacin Impurity 2 C14H17NO4 Details
Revefenacin Impurity 3 C35H42N4O5 909800-36-8 Details
Tofacitinib Related Compound 21 Citrate C22H30N6O8 1809002-40-1 Details
Chloroformamidine hydrochloride CH4Cl2N2 29671-92-9 Details
Varenicline Impurity 16 C13H14F3N3O 230615-69-7 Details
Sacubitril Impurity 31 C25H31NO4 149709-59-1 Details
Aprepitant N-Oxide C23H21F7N4O4 172673-23-3 Details
Metaraminol Impurity 11 HCl C9H11NO2 Details
Faropenem Impurity 15 Disodium salt C12H15NNa2O6S 130535-75-0 Details
Olaparib C24H23FN4O3 763113-22-0 Details
Rivaroxaban Impurity 70 C3H5ClO 67843-74-7 Details
Baricitinib Impurity 5 Details
Baricitinib Impurity 9 Details
Gabapentin C9H17NO2 60142-96-3 Details
Ambroxol Impurity 28 C6H13NO 40525-78-8 Details
Doxazosin EP Impurity B C13H16N2O3 70918-00-2 Details
Cefadroxil Impurity 1 HCl C9H12ClNO3 57591-61-4 Details
Prilocaine Impurity 6 C15H22N2O 2729898-89-7 Details
Prilocaine EP Impurity G HCl C12H19ClN2O 1049712-77-7 Details
Elagolix Impurity 5 C32H30F5N3O6 2409132-62-1 Details
Baloxavir Marboxil Impurity 13 C24H20FN3O4S 1985605-77-3 Details
Baloxavir Marboxil Impurity 14 Details
Cetirizine EP Impurity E DiHCl C23H29ClN2O4 83881-56-5 Details
Neostigmine EP Impurity A Iodide 3483-84-9 Details
Pregabalin Impurity 21 C16H32N2O3 1083246-65-4 Details
Ademetionine 1,4-butanedisulfonate C42H74N12O28S8 101020-79-5 Details
Baloxavir Marboxil Impurity 15 C17H15N3O4 2365472-39-3 Details
Nicotinamide EP Impurity E C6H6N2O2 1986-81-8 Details
Azilsartan Impurity 13 C24H18N4O4 1348337-81-4 Details
methyl(4-hydroxyphenyl)glycinate hydrochloride C9H12ClNO3 113210-35-8 Details
Avatrombopag Impurity 33 HCl C14H24N2O3 Details
Probucol Impurity 1 C28H40O2 2455-14-3 Details
Elagolix Impurity 2 C28H24F5N3O3 830346-50-4 Details
Butyl 4-toluenesulfonate C11H16O3S 778-28-9 Details
Urapidil Impurity 15 C6H9N3O2 39615-79-7 Details
Urapidil Impurity 17 C5H7N3O2 2434-53-9 Details
Urapidil Impurity 19 C11H16N2O 16015-71-7 Details
Urapidil Impurity 20 C10H14N2O 1011-17-2 Details
Tagatose C6H12O6 87-81-0 Details
Theophylline C7H8N4O2 58-55-9 Details
Pentoxifylline Impurity 1 C10H14N4O3 603-00-9 Details
Relugolix Impurity 30 C29H27F2N7O6S 2814571-34-9 Details
2-Naphthol-6,8-Disulfonic Acid C10H8O7S2 118-32-1 Details
2-Naphthol-3,6-Disulfonic Acid C10H8O7S2 148-75-4 Details
2-Naphthol-6-sulfonic acid C10H8O4S Details
Brivaracetam Impurity 29 C4H10N2O 7324-11-0 Details
Meloxicam Impurity 1 C6H6N2O3S 82514-69-0 Details
Isavuconazole Impurity 41 C7H10N2O 32399-12-5 Details
Clonazepam Impurity 1 C15H10ClN3O3 55198-89-5 Details
Squalane C30H62 111-01-3 Details
(R)-Dapoxetine Hydrochloride C21H24ClNO 156453-51-9 Details
LCZ696 Impurity 9 C22H23NO4 1639970-62-9 Details
Pirfenidone Impurity 8 C12H11NO 51933-81-4 Details
Poly(allylamine hydrochloride) C3H8ClN 71550-12-4 Details
Lacosamide EP Impurity E(Desacetyl Desmethyl Lacosamide) C10H14N2O2 175481-39-7 Details
Dapagliflozin Impurity 39 C21H25ClO6 2271248-78-1 Details
Dapagliflozin Impurity 40 C15H15ClO2 1408077-50-8 Details
Product Total: Product Page:
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