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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:
- Loratadine EP IMpurity F
- CAS:
- 125743-80-8
- MF:
- C22H24ClFN2O2
- Structure:
- Chemical Name:
- Tioconazole Related Compound A (25 mg) (1-[2,4-Dichloro-beta-[(3-thenyl)-oxy]phenethyl]imidazole hydrochloride)
- CAS:
- 61709-33-9
- MF:
- C16H15Cl3N2OS
- Structure:
- Chemical Name:
- octahydro-2-nitrosocyclopenta[c]pyrrole
- CAS:
- 54786-86-6
- MF:
- C7H12N2O
- Structure:
- Chemical Name:
- 1-Cyano-3-isopropylguanidine
- CAS:
- 44830-55-9
- MF:
- C5H10N4
- Chemical Name:
- Citalopram Related Compound E
- Structure:
- Chemical Name:
- Clazuril
- CAS:
- 101831-36-1
- MF:
- C17H10Cl2N4O2
- Structure:
- Chemical Name:
- SulfaMethoxazole N4-glucoside
- CAS:
- 119691-75-7
- MF:
- C16H21N3O8S
- Structure:
- Chemical Name:
- Fosinopril Related Compound D
- CAS:
- 1356353-41-7
- MF:
- C30H47NNaO7P
- Structure:
- Chemical Name:
- 4'-(pyrimidin-2-ylsulphamoyl)acetanilide
- CAS:
- 127-74-2
- MF:
- C12H12N4O3S
- Structure:
- Chemical Name:
- GLIMEPIRIDE RELATED COMPOUND C (20 MG) (GLIMEPIRIDE URETHANE)
- CAS:
- 119018-30-3
- MF:
- C18H23N3O6S
- Structure:
- Chemical Name:
- Trimethoprim Related Compound B (25 mg) (2,4-diaminopyrimidin-5-yl)(3,4,5-trimethoxyphenyl)methanone) (AS)
- CAS:
- 30806-86-1
- MF:
- C14H16N4O4
- Structure:
- Chemical Name:
- ChlorproMazine Sulfoxide
- CAS:
- 969-99-3
- MF:
- C17H19ClN2OS
- Structure:
- Chemical Name:
- TRAMADOL IMPURITY E
- MF:
- C16H25NO2
- Structure:
- Chemical Name:
- FLUCONAZOLE IMPURITY B
- MF:
- C13H12F2N6O
- Structure:
- Chemical Name:
- INSULIN LISPRO (5.97 MG)
- CAS:
- 133107-64-9
- MF:
- C257H383N65O77S6
- Structure:
- Chemical Name:
- 4-Nitro-2-phenoxyaniline
- CAS:
- 5422-92-4
- MF:
- C12H10N2O3
- Chemical Name:
- Fosinopril Related Compound B
- Structure:
- Chemical Name:
- 1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI)
- CAS:
- 4531-54-8
- MF:
- C4H6N4O2
- Structure:
- Chemical Name:
- Proguanil Related Compound C (25 mg) (1,5-bis(4-chlorophenyl)biguanide hydrochloride)
- CAS:
- 13590-98-2
- MF:
- C14H14Cl3N5
- Structure:
- Chemical Name:
- [2S-[1[R*(R*)],2α,3aβ,6aβ]]-1-[2-[[3-Cyclohexyl-1-(ethoxycarbonyl)propyl]aMino]-1-oxoprop
- CAS:
- 99742-35-5
- MF:
- C23H38N2O5
- Structure:
- Chemical Name:
- 1-[(2S)-3-BroMo-2-Methyl-1-oxopropyl]-L-proline
- CAS:
- 80629-35-2
- MF:
- C9H14BrNO3
- Structure:
- Chemical Name:
- N-Des(cyclohexylaMinocarbonyl) Glipizide
- CAS:
- 1346600-54-1
- MF:
- C14H16N4O3S
- Structure:
- Chemical Name:
- Ticabesone Propionate
- CAS:
- 73205-13-7
- MF:
- C25H32F2O5S
- Chemical Name:
- OXALIPLATIN IMPURITY B
- Structure:
- Chemical Name:
- PYRANTEL IMPURITY A
- CAS:
- 36700-38-6
- MF:
- C11H14N2S
- Structure:
- Chemical Name:
- estra-1,3,5(10)-triene-3,17beta-diol 17-butyrate
- CAS:
- 18069-79-9
- MF:
- C22H30O3
- Structure:
- Chemical Name:
- N-Succinyl-L-tyrosine
- CAS:
- 374816-32-7
- MF:
- C13H15NO6
- Structure:
- Chemical Name:
- rac N-Desisopropyl-N-ethyl Acebutolol
- CAS:
- 441019-91-6
- MF:
- C17H26N2O4
- Structure:
- Chemical Name:
- Citalopram Related Compound H (25 mg) (1-(4'-fluorophenyl)-1-(3-dimethylaminopropyl)-5-bromophthalane hydrobromide)
- CAS:
- 479065-02-6
- MF:
- C19H22Br2FNO
- Structure:
- Chemical Name:
- Propafenone Related Compound B ((2E)-1-[2-[(2RS)-2-hydroxy-3-(propylamino)propoxy]phenyl]-3-phenylprop-2-en-1-one)
- CAS:
- 88308-22-9
- MF:
- C21H25NO3
- Structure:
- Chemical Name:
- 2-[(1,1-DIMETHYLETHYL) AMINO]-1-[4-OH-3-(HYDROXYMETHYL)PHENYL]ETHAN-1-ONE
- CAS:
- 156547-62-5
- MF:
- C13H19NO3
- Chemical Name:
- INSULIN ASPART
- CAS:
- 116094-23-6
- MF:
- C256H381N65O79S6
- Structure:
- Chemical Name:
- METHYL 6-CHLORO-1H-BENZO[D]IMIDAZOL-2-YLCARBAMATE
- CAS:
- 20367-38-8
- MF:
- C9H8ClN3O2
- Structure:
- Chemical Name:
- 1-(3,4-dihydroxyphenyl)-2-[(1-methylethyl)amino] hydrochloride
- CAS:
- 16899-81-3
- MF:
- C11H15NO3.ClH
- Structure:
- Chemical Name:
- Talampicillin hydrochloride
- CAS:
- 39878-70-1
- MF:
- C24H23N3O6S.ClH
- Structure:
- Chemical Name:
- Citalopram Related Compound B
- CAS:
- 1332724-03-4
- MF:
- C22H23FN2O6
- Chemical Name:
- Fosinopril Related Compound C
- Structure:
- Chemical Name:
- [3-[2-(diMethylaMino)ethyl]-2-[[3-[2-(diMethylaMino)ethyl]-1H-indol-5-yl]Methyl]-1H-indol-5-yl]-N-MethylMethanesulfonaMide, succinate salt
- CAS:
- 545338-89-4
- MF:
- C27H37N5O2S
- Structure:
- Chemical Name:
- Meta-Fexofenadine
- CAS:
- 479035-75-1
- MF:
- C32H39NO4
- Structure:
- Chemical Name:
- 4H-IMIDAZO[1,5-A][1,4]BENZODIAZEPINE-3-CARBOXYLIC ACID, 8-FLUORO-5,6-DIHYDRO-5-METHYL-6-OXO-
- CAS:
- 84378-44-9
- MF:
- C13H10FN3O3
- Structure:
- Chemical Name:
- TINIDAZOLE RELATED COMPOUND B (20 MG) (1-(2-ETHYL-SULFONYLETHYL)-2-METHYL-4-NITROIMIDAZOLE)
- CAS:
- 25459-12-5
- MF:
- C8H13N3O4S
- Structure:
- Chemical Name:
- DIAZEPAM RELATED COMPOUND B (25 MG) (3-AMINO-6-CHLORO-1-METHYL-4-PHENYLCARBOSTYRIL)
- CAS:
- 5220-02-0
- MF:
- C16H13ClN2O
- Structure:
- Chemical Name:
- 10-Formylfolic Acid
- CAS:
- 134-05-4
- MF:
- C20H19N7O7
- Chemical Name:
- BUPIVACAINE IMPURITY B
- Structure:
- Chemical Name:
- Dextranomer
- CAS:
- 56087-11-7
- MF:
- C41H68O30X4
- Chemical Name:
- Fosinopril Related Compound E
- Structure:
- Chemical Name:
- Platinum, (1,2-cyclohexanediamine-N,N')dinitrato-,(sp-4-2, 1R-trans)-
- CAS:
- 66900-68-3
- MF:
- C6H12N4O6Pt
- Structure:
- Chemical Name:
- Lisinopril Cyclohexyl Analog
- CAS:
- 1132650-67-9
- MF:
- C21H37N3O5
- Structure:
- Chemical Name:
- Proguanil Related Compound D (25 mg) (1,5-bis(1-methylethyl)biguanide hydrochloride)
- CAS:
- 35708-82-8
- MF:
- C8H20ClN5
- Structure:
- Chemical Name:
- Propoxyphene Related Compound B (50 mg) (alpha-d-2-Acetoxy-4-dimethylamino-1,2-diphenyl-3-methylbutane)
- CAS:
- 53990-51-5
- MF:
- C21H27NO2
- Structure:
- Chemical Name:
- Trospium Chloride Related Compound C
- CAS:
- 3464-71-9
- MF:
- C16H15ClO2
- Structure:
- Chemical Name:
- cis-Atovaquone
- CAS:
- 137732-39-9
- MF:
- C22H19ClO3
- Chemical Name:
- MAIZE POWDER MA 1.0 IRMM CERTIFIED RE-F
- CAS:
- 68525-86-0
- Structure:
- Chemical Name:
- KETAMINE RELATED COMPOUND A (50 MG) (1 -[(2-CHLOROPHENYL)(METHYLIMINO)METHYL]CYLCOPENTA-NOL)
- CAS:
- 6740-87-0
- MF:
- C13H16ClNO
- Structure:
- Chemical Name:
- 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, monohydrochloride, [4S-(4alpha,4aalpha,5alpha,5aalpha,6beta,12aalpha)]-
- CAS:
- 41411-66-9
- MF:
- C22H25ClN2O8
- Structure:
- Chemical Name:
- GLUCOSAMINE SULFATE SODIUM CHLORIDE
- CAS:
- 1296149-13-7
- MF:
- C6H15ClNNaO9S
- Structure:
- Chemical Name:
- Δ2-Cefuroxime Axetil
- CAS:
- 123458-61-7
- MF:
- C20H22N4O10S
- Structure:
- Chemical Name:
- Flavoxate Related Compound C (20 mg) (3-Methylflavone-8-carboxylic acid ethyl ester)
- CAS:
- 35888-94-9
- MF:
- C19H16O4
- Structure:
- Chemical Name:
- Dalasetron (Mesylate hydrate)
- CAS:
- 878143-33-0
- MF:
- C20H24N2O6S
- Structure:
- Chemical Name:
- TICLOPIDINE IMPURITY F
- CAS:
- 62019-75-4
- MF:
- C14H14ClNS
- Structure:
- Chemical Name:
- (endo,anti)-(±)-3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-isopropyl-8-methyl-8-azoniabicyclo[3.2.1]octane bromide
- CAS:
- 58073-59-9
- MF:
- C20H30BrNO3
- Structure:
- Chemical Name:
- (±)-N-[3-acetyl-4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]acetamide
- CAS:
- 22568-64-5
- MF:
- C16H24N2O4
- Structure:
- Chemical Name:
- alpha-Methyl-4-biphenylacetic acid
- CAS:
- 6341-72-6
- MF:
- C15H14O2
- Structure:
- Chemical Name:
- Zinc acexamate
- CAS:
- 70020-71-2
- MF:
- C16H28N2O6Zn
- Structure:
- Chemical Name:
- (R)-2-(2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE
- CAS:
- 103765-01-1
- MF:
- C8H14N2O2
- Structure:
- Chemical Name:
- Olopatadine N-Oxide
- CAS:
- 203188-31-2
- MF:
- C21H23NO4
- Structure:
- Chemical Name:
- INDINAVIR (100 MG)F0D3080.971MG/MG(AI)
- CAS:
- 180683-37-8
- MF:
- C36H49N5O5
- Chemical Name:
- CALCIUM ASCORBATE - REFERENCE SPECTRUM
- Chemical Name:
- BUPIVACAINE IMPURITY E
- Chemical Name:
- FENTICONAZOLE IMPURITY D
- Chemical Name:
- HYOSCINE BUTYLBROMIDE IMPURITY E
- Chemical Name:
- TYLOSIN PHOSPHATE FOR PEAK IDENTIFICATION
- Structure:
- Chemical Name:
- CEFACLOR, DELTA-3-ISOMER (30 MG)
- CAS:
- 152575-13-8
- MF:
- C15H14ClN3O4S
- Structure:
- Chemical Name:
- (9Z,12Z)-octadeca-9,12-dienoic acid, monoester with glycerol
- CAS:
- 26545-74-4
- MF:
- C21H38O4
- Structure:
- Chemical Name:
- Cefoperazone dihydrate
- CAS:
- 113826-44-1
- MF:
- C25H29N9O9S2
- Structure:
- Chemical Name:
- D-Phenylalanine, N-[[4-(1-methylethyl)cyclohexyl]carbonyl]-, cis-
- CAS:
- 105816-06-6
- MF:
- C19H27NO3
- Structure:
- Chemical Name:
- N-isopropyltropinium
- CAS:
- 58005-18-8
- MF:
- C11H22BrNO
- Chemical Name:
- GMO Standard ERM-BF412, Maize Bt-11
- Structure:
- Chemical Name:
- Iron-56Fe solution
- MF:
- Fe
- Structure:
- Chemical Name:
- 67392-87-4
- CAS:
- 67392-87-4
- Structure:
- Chemical Name:
- Temazepam Related Compound G (15 mg) (7-Chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione)
- CAS:
- 93329-92-1
- MF:
- C17H15ClN2O2
- Structure:
- Chemical Name:
- (2S)-1-[2-Methylpropanoyl]-pyrrolidine-2-carboxylic Acid
- CAS:
- 23500-15-4
- MF:
- C9H15NO3
- Structure:
- Chemical Name:
- (S)-1-(3-((ethyl(methyl)carbamoyl)oxy)phenyl)-N,N-dimethylethanamine
- CAS:
- 415973-05-6
- MF:
- C14H22N2O2
- Structure:
- Chemical Name:
- 1-Methyl-2-(Methylthio)iMidazole
- CAS:
- 14486-52-3
- MF:
- C5H8N2S
- Chemical Name:
- MetaMizole iMpurity E
- Chemical Name:
- Abacavir Related CoMpound B
- Chemical Name:
- GalantaMine HydrobroMide Related CoMpounds Mixture
- Structure:
- Chemical Name:
- Ranitidine Resolution Mixture
- MF:
- C13H22N4O3S
- Structure:
- Chemical Name:
- Flutrimazole carbinol
- CAS:
- 128092-72-8
- MF:
- C19H14F2O
- Chemical Name:
- WARFARIN RELATED COMPOUND A (50 MG) (3-(O-HYDROXYPHENYL)-5-PHENYL-2-CYCLOHEXEN-1-ONE)
- CAS:
- 37209-23-7
- Structure:
- Chemical Name:
- ERYTHROMYCIN B
- CAS:
- 527-75-3
- MF:
- C37H67NO12
- Chemical Name:
- ENDOTOXIN STANDARD
- Chemical Name:
- HYDROUS BENZOYL PEROXIDE - REFERENCE SPECTRUM
- Chemical Name:
- HEPARIN LOW-MOLECULAR-MASS FOR CALIBRATION CRS
- Chemical Name:
- OXYTOCIN/DESMOPRESSIN VALIDATION MIXTURE
- Chemical Name:
- POTASSIUM CLAVULANATE - REFERENCE SPECTRUM
- Chemical Name:
- OXALIPLATIN IMPURITY D
- Structure:
- Chemical Name:
- ESTRADIOL FOR PEAK IDENTIFICATION
- MF:
- C18H24O2
- Structure:
- Chemical Name:
- 6alpha-fluoro-11beta,21-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 21-pivalate
- CAS:
- 29205-06-9
- MF:
- C27H37FO5
- Structure:
- Chemical Name:
- 82999, 237NpO2 (V encapsulated)
- CAS:
- 58670-16-9
- MF:
- NpO2