| Cladribine for peak identification | 4291-63-8 | C10H12ClN5O3 |
| Cladribine Imp. C (EP): 2-Chloro-7H-purin-6-amine (2-Chloroadenine) | 1839-18-5 | C5H4ClN5 |
| Cladribine Impurity 1 | 172792-37-9 | C10H12ClN5O3 |
| Cladribine Impurity 4 | 16373-93-6 | C10H15N5O4 |
| Cladribine impurity C | 1839-18-5 | C5H4ClN5 |
| Cladribine Related Compound A | 24757-70-8 | C11H15N5O4 |
| Clarithromycin (9E)-Oxime | 127253-06-9 | C38H70N2O13 |
| Clarithromycin (9Z)-O-Methyloxime | 127252-80-6 | C39H72N2O13 |
| Clarithromycin (9Z)-Oxime | 127253-05-8 | C38H70N2O13 |
| Clarithromycin E-9-Oxime | 127253-06-9 | C38H70N2O13 |
| Clarithromycin EP Impurity C | 127253-06-9 | C38H70N2O13 |
| Clarithromycin EP Impurity D | 101666-68-6 | C37H67NO13 |
| Clarithromycin EP Impurity E | 81103-14-2 | C39H71NO13 |
| Clarithromycin EP Impurity G | 127182-44-9 | C39H72N2O13 |
| Clarithromycin EP Impurity P | 123967-58-8 | C39H71NO13 |
| Clarithromycin EP Impurity Q | 118074-07-0 | C38H69NO14 |
| Clarithromycin for peak identification | 81103-11-9 | C38H69NO13 |
| Clarithromycin Imp. E (EP): 6,11-Di-O-methylerythromycin A | 81103-14-2 | C39H71NO13 |
| Clarithromycin Impurity 14 | 138109-92-9 | C38H69NO13 |
| Clarithromycin impurity 17 | 110671-78-8 | C38H69NO14 |
| Clarithromycin Impurity B | 299409-85-1 | C37H67NO13 |
| Clarithromycin Impurity D | 101666-68-6 | C37H67NO13 |
| Clarithromycin impurity E | 81103-14-2 | C39H71NO13 |
| Clarithromycin Impurity F | 128940-83-0 | C39H71NO13 |
| Clarithromycin Impurity H | 127140-69-6 | C38H67NO14 |
| Clarithromycin Impurity I | 118058-74-5 | C30H55NO10 |
| Clarithromycin Impurity J | 13127-18-9 | C37H68N2O13 |
| Clarithromycin Impurity K | 127157-35-1 | C30H51NO8 |
| Clarithromycin Impurity L | 127253-05-8 | C38H70N2O13 |
| Clarithromycin Impurity M | 127182-43-8 | C37H68N2O13 |
| Clarithromycin Impurity N | 144604-03-5 | C38H67NO12 |
| Clarithromycin Impurity O | 127252-80-6 | C39H72N2O13 |
| Clarithromycin Impurity Q | 118074-07-0 | C38H69NO14 |
| Clarithromycin Impurity R | 992-62-1 | C36H65NO13 |
| Clarithromycin N-Oxide | 118074-07-0 | C38H69NO14 |
| Clarithromycin N-OxiMe | 103450-87-9 | C38H70N2O13 |
| Clarithromycin Related Compound A | 81103-14-2 | C39H71NO13 |
| Clarithromycin Related Compound A (6,11-di-O-methylerythromycin A) | Not available | C39H71NO13 |
| Clarithromycin-13C-d3 | Not available | C38H69NO13 |
| Clavam-2-carboxylate potassium | Not available | C6H6KNO4 |
| Clavulanate Potassium EP Impurity B Sodium Salt | Not available | C11H15N2NaO4 |
| Clavulanate Potassium Impurity 16 | 63819-70-5 | C8H18N2O |
| Clavulanic acid Impurity 1 | 2196185-67-6 | C6H6KNO4 |
| Clavulanic acid Impurity 2 | 149-57-5 | C8H16O2 |
| Clavulanic acid Impurity A | 4744-51-8 | C8H12N2O2 |
| Clavulanic acid Impurity B | 96681-85-5 | C11H16N2O4 |
| Clavulanic acid Impurity C | 86917-74-0 | C10H16N2O2 |
| Clavulanic acid Impurity D | 404839-11-8 | C7H9NO3 |
| Clavulanic acid Impurity E | 1260617-10-4 | C16H18N2O10 |
| Clavulanic acid Impurity F | 1260857-16-6 | C13H14N2O5 |
| Clavulanic acid Impurity G | 374816-32-7 | C13H15NO6 |
| Clavulanic acid Impurity J | 7677-21-6 | C6H18Cl2N2 |
| Clavulanic acid Impurity L | 4013-94-9 | C8H20N2 |
| Clavulanic acid Impurity M | 3033-62-3 | C8H20N2O |
| Clavulanic acid methyl ester | 57943-82-5 | C9H11NO5 |
| Clazuril for system suitability | 101831-36-1 | C17H10Cl2N4O2 |
| Clemastine | 15686-51-8 | C21H26ClNO |
| Clemastine EP Impurity C | 59767-24-7 | C14H13ClO |
| Clemastine EP Impurity D | 67004-64-2 | C7H15NO |
| Clemastine for system suitability | 14976-57-9 | C25H30ClNO5 |
| Clemastine Fumarate Imp. C (EP): (RS)-1-(4-Chlorophenyl)-1-phenylethanol | 59767-24-7 | C14H13ClO |
| Clenbuterol EP Impurity B HCl | 37845-71-9 | C12H17Cl3N2O |
| Clenbuterol EP Impurity D | 99-92-3 | C8H9NO |
| Clenbuterol Impurity 1 | 30095-55-7 | C8H6Br3NO |
| Clenbuterol Impurity 2 | 50306-03-1 | C12H18Cl2N2O |
| Clenbuterol Impurity 3 | 50499-60-0 | C12H18Cl2N2O |
| Clenbuterol Impurity A | 62909-66-4 | C7H5Cl2NO |
| Clenbuterol impurity B | Not available | C12H16Cl2N2O |
| Clenbuterol Impurity B | 69708-36-7 | C12H16Cl2N2O |
| Clenbuterol Impurity C | 37148-48-4 | C8H7Cl2NO |
| Clenbuterol Impurity E | 37148-47-3 | C8H6BrCl2NO |
| Clenbuterol Impurity F | 37153-52-9 | C12H18BrClN2O |
| Clenbuterol Ketone | Not available | C12H16Cl2N2O |
| Clenbuterol Related Compound B | 37148-49-5 | C12H17Cl3N2O |
| Clenbuterol-D9 HCl | 184006-60-8 | C12H19Cl3N2O |
| Clethodim Sulfone | 111031-17-5 | C17H26ClNO5S |
| Clethodim Sulfoxide | 111031-14-2 | C17H26ClNO4S |
| Cletoquine | 4298-15-1 | C16H22ClN3O |
| Cletoquine Oxalate | 14142-64-4 | C18H24ClN3O5 |
| Clevidipine Butyrate Impurity 4 | 188649-48-1 | C21H21Cl2NO6 |
| Clevidipine Butyrate Impurity 5 | 105580-45-8 | C16H15Cl2NO4 |
| Clevidipine Butyrate Impurity 6 | 110962-94-2 | C19H18Cl2N2O4 |
| Clevidipine Butyrate Impurity 7 | 175688-79-6 | C21H19Cl2N3O4 |
| Clevidipine Butyrate Impurity 10 | 1801167-49-6 | C15H14Cl2O3 |
| Clevidipine Butyrate Impurity 12 | 91854-02-3 | C16H13Cl2NO4 |
| Clevidipine Butyrate Impurity 13 | 253597-20-5 | C15H15Cl2NO2 |
| Clevidipine Butyrate Impurity 14 | 105383-68-4 | C15H13Cl2NO2 |
| Clevidipine Butyrate Impurity 15 | 1020718-27-7 | C16H16Cl2O5 |
| Clevidipine Butyrate Impurity 16 | 1898262-47-9 | C22H25Cl2NO6 |
| Clevidipine Butyrate Impurity 17 | 57058-14-7 | C7H4Cl4 |
| Clevidipine Butyrate Impurity 18 | 84613-97-8 | C7H3Cl5 |
| Clevidipine Impurity 7 | 2177293-82-0 | C23H27Cl2NO6 |
| Clevidipine Impurity 8 | 175688-78-5 | C20H20Cl2N2O4 |
| Clevidipine Impurity 9 | 1685245-63-9 | C10H8Cl2O |
| Clevidipine Impurity 10 | 193539-61-6 | C7H10N2O2 |
| Clevidipine Impurity 12 | 5402-53-9 | C4H7ClO2 |
| Clevidipine Impurity K | 138279-32-0 | C15H13Cl2NO4 |
| Clevidipine Impurity N | 91854-03-4 | C15H11Cl2NO4 |
| Clevidipine Reference | 167221-71-8 | C21H23Cl2NO6 |
| Clidinium bromide Impurity 1 | 76201-95-1 | C8H16NO+ |
| Clidinium bromide Related Compound A | Not available | C8H16BrNO |
| Clidinium Bromide Related Compound A (3-Hydroxy-1-methylquinuclindinium Bromide) | Not available | C8H16BrNO |
| Clindamycin 2,4-bisphosphate | 1309048-48-3 | C18H35ClN2O11P2S |
| Clindamycin 2,4-Diphosphate | 1309048-48-3 | C18H35ClN2O11P2S |
| Clindamycin 2-Phosphate Sulfoxide (Mixture of Diastereomers) | 1228573-90-7 | C18H34ClN2O9PS |
| Clindamycin 3-Palmitate Hydrochloride | Not available | C34H64Cl2N2O6S |
| Clindamycin B 2-Phosphate | 54887-31-9 | C17H32ClN2O8PS |
| Clindamycin B Palmitate | 68206-99-5 | C33H61ClN2O6S |
| Clindamycin Dehydro Impurity | 198080-64-7 | C18H32N2O5S |
| Clindamycin EP Impurity A | 154-21-2 | C18H34N2O6S |
| Clindamycin EP Impurity A HCl | 859-18-7 | C18H35ClN2O6S |
| Clindamycin EP Impurity B | 18323-43-8 | C17H31ClN2O5S |
| Clindamycin EP Impurity C HCl | 17431-55-9 | C18H34Cl2N2O5S |
| Clindamycin EP Impurity E | 1440605-51-5 | C18H31ClN2O5S |
| Clindamycin Hydrochloride Salt | 21462-39-5 | C18H34Cl2N2O5S |
| Clindamycin Impurity 5 (N-Demethylclindamycin) | 22431-45-4 | C17H31ClN2O5S |
| Clindamycin Impurity 8 | 25507-13-5 | C30H56Cl2N2O6S |
| Clindamycin Impurity 17 | 16684-06-3 | C18H33ClN2O5S |
| Clindamycin Impurity 22 | 22965-79-3 | C9H18ClNO4S |
| Clindamycin Palmitate Sulfoxide HCl | 2126928-92-3 | C34H64Cl2N2O7S |
| Clindamycin Palmitate Sulfoxide Hydrochloride | 2126928-92-3 | C34H64Cl2N2O7S |
| Clindamycin phosphate EP Impurity B | 54887-31-9 | C17H32ClN2O8PS |
| Clindamycin Phosphate EP Impurity E | 18323-44-9 | C18H33ClN2O5S |
| Clindamycin Phosphate EP Impurity G | 1440605-46-8 | C18H33ClN2O5S |
| Clindamycin phosphate EP Impurity G | Not available | C18H33N2O8PS |
| Clindamycin phosphate EP Impurity H | Not available | C18H35ClN2O11P2S |
| Clindamycin phosphate EP Impurity I | 1309048-48-3 | C18H35ClN2O11P2S |
| Clindamycin phosphate EP Impurity L | 620181-05-7 | C18H34ClN2O8PS |
| Clindamycin phosphate for system suitability | 24729-96-2 | C18H34ClN2O8PS |
| Clindamycin Phosphate Impurity 1 | 24729-96-2 | C18H34ClN2O8PS |
| Clindamycin phosphate Impurity N | 1228573-90-7 | C18H34ClN2O9PS |
| Clindamycin Phosphate Sulfone | Not available | C18H34ClN2O10PS |
| Clindamycin Phosphate Sulfone trans-N-Oxide | Not available | C18H34ClN2O11PS |
| Clindamycin Phosphate Sulfoxide | 1228573-90-7 | C18H34ClN2O9PS |
| Clindamycin Phosphate Sulfoxide trans-N-Oxide | Not available | C18H34ClN2O10PS |
| Clindamycin Phosphate α Isomer | 1800297-62-4 | C18H34ClN2O8PS |
| Clindamycin Pyrophosphate Triethylamine Salt | Not available | C24H50ClN3O11P2S |
| Clindamycin Sulfoxide | 22431-46-5 | C18H33ClN2O6S |
| Clioquinol Imp. A (EP): 5-Chloroquinolin-8-ol | 130-16-5 | C9H6ClNO |
| Clioquinol Imp. B (EP): 5,7-Dichloroquinolin-8-ol | 773-76-2 | C9H5Cl2NO |
| Clioquinol Imp. C (EP): 5,7-Diiodoquinolin-8-ol | 83-73-8 | C9H5I2NO |
| Clobazam EP Impurity B | 22316-24-1 | C16H14N2O2 |
| Clobazam EP Impurity D | 2092997-47-0 | C18H17ClN2O2 |
| Clobazam EP Impurity E | 75524-13-9 | C15H15ClN2O |
| Clobazam EP Impurity F | Not available | C17H17ClN2O3 |
| Clobazam EP Impurity F | 2089061-92-5 | C17H17ClN2O3 |
| Clobazam impurity A | 22316-55-8 | C15H11ClN2O2 |
| Clobetasol Butyrate | 426-13-1 | C22H29FO4 |
| Clobetasol impurity J | 1486466-31-2 | C25H30ClFO4 |
| Clobetasol Propionate 17alpha-spiro Compound | 1486466-31-2 | C25H30ClFO4 |
| Clobetasol Propionate EP Impurity A | 5534-13-4 | C25H33FO6 |
| Clobetasol Propionate EP Impurity B | 1356190-17-4 | C22H26ClFO3 |
| Clobetasol Propionate EP Impurity C | 25122-52-5 | C25H32ClFO5 |
| Clobetasol Propionate EP Impurity D | 25120-99-4 | C25H34ClFO5 |
| Clobetasol Propionate EP Impurity E | Not available | C25H33ClO4 |
| Clobetasol Propionate EP Impurity F | 2412496-00-3 | C22H27FO4 |
| Clobetasol Propionate EP Impurity H | 4351-48-8 | C25H33FO5 |
| Clobetasol Propionate EP Impurity I | 15423-80-0 | C26H35FO8S |
| Clobetasol Propionate EP Impurity J | 1486466-31-2 | C25H30ClFO4 |
| Clobetasol Propionate Imp. G (EP): 21-Chloro-9-fluoro-11 ,17- dihydroxy-16 -methylpregna-1,4-diene- 3,20-dione (Clobetasol) | 25122-41-2 | C22H28ClFO4 |
| Clobetasol Propionate Imp. K (EP): 9-Fluoro-11 ,17-dihydroxy- 16 -methyl-3,20-dioxopregna-1,4-dien- 21-yl Propanoate (Betamethasone 21- Propionate) | 75883-07-7 | C25H33FO6 |
| Clobetasol Propionate Impurity3 | 181527-42-4 | C25H31ClF2O5 |
| Clobetasol Propionate Impurity 4 | 66852-61-7 | C25H31Cl2FO5 |
| Clobetasol Propionate Impurity 7 | 64967-90-4 | C28H35FO7 |
| Clobetasol Propionate Impurity E | Not available | C25H33ClO4 |
| Clobetasol Propionate Related Compound A | 1486466-31-2 | C25H30ClFO4 |
| Clobetasone 17-Propionate | 25122-56-9 | C25H30ClFO5 |
| Clobetasone butyrate EP Impurity A | Not available | C22H26ClFO4 |
| Clobetasone butyrate EP Impurity C | Not available | C26H34ClFO5 |
| Clobetasone butyrate EP Impurity D | Not available | C26H31BrClFO5 |
| Clobetasone butyrate EP Impurity E | Not available | C26H34ClFO5 |
| Clobetasone butyrate EP Impurity G | Not available | C29H37FO7 |
| Clobetasone butyrate EP Impurity H | 25122-56-9 | C25H30ClFO5 |
| Clobetasone butyrate for system suitability | 25122-57-0 | C26H32ClFO5 |
| Clocortolone Acetate | 4258-85-9 | C24H30ClFO5 |
| Clocortolone Caproate | 4891-71-8 | C28H38ClFO5 |
| Clodronate impurity D | 87591-00-2 | CH5ClO6P2 |
| Clofarabine Impurity 1 | 704916-12-1 | C26H21FO7 |
| Clofarabine Impurity 4 | 70832-64-3 | C28H24O9 |
| Clofarabine Impurity 5 | 14215-97-5 | C28H24O9 |
| Clofarabine Impurity 10 | 1093278-53-5 | C15H18ClF2N5O6 |
| Clofarabine Impurity 11 | 1093278-54-6 | C15H18ClF2N5O6 |
| Clofarabine Impurity 13 | 40928-86-7 | C4H6ClN5 |
| Clofarabine Impurity 16 | 899827-82-8 | C10H12FN5O4 |
| Clofazimine EP Impurity A HCl | 90690-85-0 | C24H17Cl3N4 |
| Clofazimine for system suitability | 2030-63-9 | C27H22Cl2N4 |
| Clofazimine Iminophenazine Impurity | 1332634-93-1 | C18H13ClN4 |
| Clofazimine Impurity 1 | 78182-92-0 | C30H28N4 |
| Clofazimine Impurity 1 | 102262-55-5 | C24H16Cl2N4 |
| Clofazimine Impurity 2 | 24396-82-5 | C27H24Cl2N4 |
| Clofazimine Impurity 2 | 2158184-11-1 | C27H23ClN4 |
| Clofazimine Impurity 3 | 90712-89-3 | C24H15Cl2N3O |
| Clofazimine Impurity 3 | 103051-26-9 | C26H20Cl2N4 |
| Clofazimine Impurity 5 | 80832-46-8 | C27H23ClN4O |
| Clofazimine Impurity 6 | 24028-59-9 | C30H27ClN4 |
| Clofazimine Impurity 7 | 78182-93-1 | C30H29Cl2N5 |
| Clofazimine Impurity 8 | 138452-44-5 | C18H11ClN2O |
| Clofibrate methyl ester | 55162-41-9 | C11H13ClO3 |
| Clomethiazole Impurity B | 71134-37-7 | C12H16Cl2N2S2 |
| Clomethiazole Impurity C | 137-00-8 | C6H9NOS |
| Clomifene EP Impurity C | 5530-99-4 | C26H29NO2 |
| Clomifene for impurities G and H identification | 50-41-9 | C32H36ClNO8 |
| Clomifene for peak identification | 50-41-9 | C32H36ClNO8 |
| Clomifene for system suitability | 911-45-5 | C26H28ClNO |
| Clomifene N-Oxide Hydrochloride | 97986-33-9 | C26H29Cl2NO2 |
| Clomifene N-Oxide Hydrochloride | 97986-33-9 | C26H29Cl2NO2 |
| Clomiphene EP Impurity A | 19957-52-9 | C26H29NO |
| Clomiphene EP Impurity B | 796-77-0 | C19H23NO2 |
| Clomiphene EP Impurity D | 1391054-64-0 | C38H46N2O3 |
| Clomiphene EP Impurity E | 117884-82-9 | C26H27Cl2NO |
| Clomiphene EP Impurity F | 47648-28-2 | C26H27Cl2NO |
| Clomiphene EP Impurity GH | 1795130-17-4 | C26H27Cl2NO |
| Clomiphene impurity 1 | 1795130-18-5 | C32H35Cl2NO8 |
| Clomiphene Related Compound A | 74056-26-1 | C26H30ClNO |
| Clomipramine | 303-49-1 | C19H23ClN2 |
| Clomipramine D3 Hydrochloride | 1398065-86-5 | C19H24Cl2N2 |
| Clomipramine EP Impurity A | 2305824-50-2 | C23H32ClN3 |
| Clomipramine EP Impurity A | Not available | C23H32ClN3 |
| Clomipramine EP Impurity A DiHCl | 2305824-51-3 | C23H34Cl3N3 |
| Clomipramine EP Impurity B | 50-49-7 | C19H24N2 |
| Clomipramine EP Impurity B HCl | 113-52-0 | C19H25ClN2 |
| Clomipramine EP Impurity C | 2095-42-3 | C19H21ClN2 |
| Clomipramine EP Impurity C | Not available | C19H21ClN2 |
| Clomipramine EP Impurity D | 3589-22-8 | C19H22Cl2N2 |
| Clomipramine EP Impurity D | Not available | C19H22Cl2N2 |
| Clomipramine EP Impurity D HCl | 115189-28-1 | C19H23Cl3N2 |
| Clomipramine EP Impurity E | 494-19-9 | C14H13N |
| Clomipramine EP Impurity F | 32943-25-2 | C14H12ClN |
| Clomipramine EP Impurity G | 1425793-87-8 | C17H16ClN |
| Clomipramine Hydrochloride Imp. B (EP) as Hydrochloride: Imipramine Hydrochloride | 113-52-0 | C19H25ClN2 |
| Clomipramine Hydrochloride Imp. D (EP) as Hydrochloride: 3-(3,7-Dichloro- 10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,N- dimethylpropan-1-amine Hydrochloride | 115189-28-1 | C19H23Cl3N2 |
| Clomipramine Hydrochloride Imp. E (EP): 10,11-Dihydro-5H-dibenzo[b,f]- azepine (Iminodibenzyl) | 494-19-9 | C14H13N |
| Clomipramine Hydrochloride Imp. F (EP): 3-Chloro-10,11-dihydro-5H- dibenzo[b,f]azepine | 32943-25-2 | C14H12ClN |
| Clomipramine Impurity 3 | 25961-11-9 | C16H14ClNO |
| Clomipramine Impurity 7 | 83385-97-1 | C19H23ClN2O |
| Clomipramine Impurity 8 | 14171-67-6 | C19H23ClN2O |
| Clomipramine Impurity 8 | 13080-74-5 | C14H11Cl2N |
| Clomipramine impurity C | 2095-42-3 | C19H21ClN2 |
| Clomipramine impurity C | 2095-42-3 | C19H21ClN2 |
| Clomipramine impurity D | 3589-22-8 | C19H22Cl2N2 |
| Clomipramine Impurity F | 32943-25-2 | C14H12ClN |
| Clomipramine N-Oxide | 14171-67-6 | C19H23ClN2O |
| Clomipramine Related Compound D | 115189-28-1 | C19H23Cl3N2 |
| Clomipramine Related Compound F | 32943-25-2 | C14H12ClN |
| Clomipramine-D3 | 136765-29-2 | C19H23ClN2 |
| Clonazepam Imp. A (EP): (2-Amino-5-nitrophenyl)(2- chlorophenyl)methanone | 2011-66-7 | C13H9ClN2O3 |
| Clonazepam Imp. B (EP): 3-Amino-4-(2-chlorophenyl)- 6-nitroquinolin-2(1H)-one | 55198-89-5 | C15H10ClN3O3 |
| Clonazepam Impurity 1 | 17714-02-2 | C15H12ClN3O4 |
| Clonazepam Impurity 1 | 180854-85-7 | C15H10Cl2N2O4 |
| Clonazepam Impurity 2 | 2011-66-7 | C13H9ClN2O3 |
