Hangzhou Yiyun Guoke Biotechnology Co., Ltd.

Hangzhou Yiyun Guoke Biotechnology Co., Ltd.

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Product Name MF CAS Details
Pravastatin EP Impurity G Sodium Salt C18H25NaO5 720666-74-0 Details
Pravastatin EP Impurity D C23H34O6 85956-22-5 Details
Pregabalin Lactam Impurity C8H15NO 61312-87-6 Details
Pregabalin Impurity B(3-Isobutylglutaric Acid) C9H16O4 75143-89-4 Details
Methylprednisolone Related Impurity B(Methylprednisolone Acetate EP Impurity C) C22H28O5 58636-50-3 Details
Pravastatin Impurity F Sodium Salt C18H29NaO6 151061-28-8 Details
(R)-Pregabalin C8H17NO2 148553-51-9 Details
Progesterone EP Impurity C C21H32O2 145-15-3 Details
Pregabalin Impurity III C9H17NO3 181289-33-8 Details
rac-Pregabalin Impurity III C9H17NO3 181289-15-6 Details
Progesterone EP Impurity B C21H32O2 145-14-2 Details
Progesterone Impurity 2(6-Oxo-Progesterone) Details
Progesterone EP Impurity H C21H28O2 1162-56-7 Details
Pregabalin Impurity 8 C8H15NO 181289-23-6 Details
Propafenone EP Impurity F C33H32O5 1329643-40-4 Details
Propafenone HCl C21H28ClNO3 34183-22-7 Details
Propofol EP Impurity J C12H16O2 1988-11-0 Details
Progesterone EP Impurity E C23H34O3 5062-62-4 Details
Progesterone EP Impurity D C23H34O3 Details
Propafenone EP/BP/USP Impurity C C18H18O3 22525-95-7 Details
Propafenone EP/BP Impurity A C15H14O2 3516-95-8 Details
Propranolol EP Impurity A(Propranolol Diol Derivative) C13H14O3 36112-95-5 Details
Propofol Impurity D C12H18O 35946-91-9 Details
Propofol C12H18O 2078-54-8 Details
Propafenone EP/USP Impurity D C18H20O4 91401-73-9 Details
Propranolol HCl C16H22ClNO2 318-98-9 Details
Propofol Impurity K C12H18O 14366-59-7 Details
Propofol Impurity G C15H24O 141214-18-8 Details
Propofol Impurity O C12H18O 74663-48-2 Details
Propafenone EP/BP Impurity E C18H19ClO3 165279-79-8 Details
Rapamycin(Sirolimus) C51H79NO13 53123-88-9 Details
Ramosetron Impurity 7 C10H9NO2 32387-21-6 Details
Ramelteon C16H21NO2 196597-26-9 Details
Raloxifene EP Impurity C C28H27NO5S 195454-31-0 Details
Pyrazine C4H4N2 290-37-9 Details
Quetiapine Impurtiy G C13H9NOS Details
Rabeprazole Sodium Salt C18H21N3O3S.Na 117976-90-6 Details
Raloxifene Impurity D C21H14O4S 177744-96-6 Details
Pyridoxal HCl C8H10ClNO3 65-22-5 Details
Quetiapine Impurity B DiHCl C17H18ClN3S 111974-74-4 Details
Prucalopride Succinate C22H32ClN3O7 179474-85-2 Details
pyrene C16H10 129-00-0 Details
Propranolol Impurity B(Mixture of Diastereomers) C29H33NO4 83314-78-7 Details
Prucalopride Impurity 7 Details
Rabeprazole EP Impurity D C18H21N3O4S 924663-38-7 Details
Pyrogallol C6H6O3 87-66-1 Details
Quetiapine Impurity H(Quetiapine-N-Oxide) C21H25N3O3S 1076199-40-0 Details
Ranitidine EP Impurity C (Ranitidine S-Oxide) C13H22N4O4S 73851-70-4 Details
Quetiapine EP Impurity I(Quetiapine Hydroxy Impurity) C19H21N3OS 329216-67-3 Details
Raloxifene EP Impurity A C42H44N2O6S 1159977-58-8 Details
Rabeprazole Sulfide N-Oxide C18H21N3O3S 924663-40-1 Details
Rasagiline Mesylate C13H17NO3S 161735-79-1 Details
Pyridoxine Impurity B HCl C8H12ClNO2 148-51-6 Details
Quetiapine Impurity S(Quetiapine Sulfoxide) C21H25N3O3S 329216-63-9 Details
Quetiapine EP Impurity D C30H24N4S2 945668-94-0 Details
Ranitidine Impurity K C4H8N2O2S 61832-41-5 Details
Esomeprazole Impurity 33 C7H8N2O3 14248-66-9 Details
Rabeprazole EP Impurity E C15H15N3O2S 102804-77-3 Details
Rabeprazole EP Impurity A C18H21N3O4S 117976-47-3 Details
Ramosetron Impurity 1 C9H7NO2 2058-74-4 Details
Ranitidine EP Impurity D HCl C13H22N4O3S Details
Pyridoxine EP Impurity A HCl C8H10ClNO2 1006-21-9 Details
Ropivacaine Impurity C C15H22N2O 24358-84-7 Details
Risperidone EP Impurity L C11H15ClN2O 63234-80-0 Details
Rosuvastatin Ethyl Ester C24H32FN3O6S 851443-04-4 Details
25-Desacetyl Rifampicin C41H56N4O11 16783-99-6 Details
Rivastigmine EP Impurity A(NAP226-90) C10H15NO 139306-10-8 Details
Riboflavin Impurity 2(Lumichrome) C12H10N4O2 1086-80-2 Details
Rivastigmine Hydrogen Tartrate EP Impurity G C9H12O2 23308-82-9 Details
Rhein C15H8O6 478-43-3 Details
Risperidone Impurity B(Z-Isomer) C23H28F2N4O2 132961-05-8 Details
Risperidone USP Related Compound G C23H28FN3O3 152542-00-2 Details
Riluzole C8H5F3N2OS 1744-22-5 Details
Repaglinide EP Impurity B C13H16O5 99469-99-5 Details
Rivastigmine Impurity 14 C12H15NO2 1346602-84-3 Details
Riboflavin C17H20N4O6 83-88-5 Details
Riboflavin-5'-Phosphate Sodium C17H22N4NaO9P 130-40-5 Details
Repaglinide Related Compound A C23H37N3O5 219921-94-5 Details
Ropinirole Impurity 1 HCl C16H25ClN2O4 91374-25-3 Details
Ropivacaine Impurity E C17H26N2O 265120-58-9 Details
Rebamipide 3-Chloro Impurity C19H15ClN2O4 90098-05-8 Details
Rocuronium Bromide Impurity 21(EP Impurity H) C32H49BrN2O4 1190105-67-9 Details
Ropivacaine Impurity F C17H24N2O 1945965-95-6 Details
Ropivacaine Impurity B C14H20N2O 27262-40-4 Details
Rivaroxaban Impurity 11 HCl C14H17N3O4.ClH 898543-06-1 Details
Risperidone EP Impurity D C23H27FN4O2 1199589-74-6 Details
Resveratrol C14H12O3 501-36-0 Details
Riluzole Impurity 6 C7H4Br2F3NO 88149-49-9 Details
All-trans Retinol C20H30O 68-26-8 Details
1,2-Diisonicotinoylhydrazine C12H10N4O2 4329-75-3 Details
9-Hydroxy Risperidone N-Oxide(Paliperidone N-Oxide) C23H27FN4O4 761460-08-6 Details
Ropivacaine Impurity D C16H24N2O 98626-59-6 Details
Ribavirin Impurity C C3H3N3O2 4928-87-4 Details
Sorafenib Impurity I C15H8Cl2F6N2O 370-50-3 Details
Rivastigmine Hydrogen Tartrate EP Impurity H C9H10O2 586-37-8 Details
9-Hydroxy Risperidone C23H27FN4O3 144598-75-4 Details
Risperidone Impurity 1 C11H14N2O 832747-59-8 Details
Rivaroxaban Related Impurity 1 C5H2Cl2O2S 31166-29-7 Details
Rosuvastatin Calcium Salt C22H30CaFN3O6S 147098-20-2 Details
Rizatriptan EP Impurity A C28H35N7 887001-08-3 Details
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