R-Ofloxacin (25 mg) ((R)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid) Item no. USP-1478083 CAS Number [100986-86-5] Unit 25 mg Molecular formula C18H20FN3O4 Analytes Select to compare Price on request - + Add to cart All product details
Oxazepam Related Compound A (15 mg) (7-chloro-5-phenyl-4,5-dihydro-1H-benzodiazepine-2,3-dione) Item no. USP-1483017 CAS Number [19554-95-1] Unit 15 mg Molecular formula C15H11ClN2O2 Analytes Select to compare Price on request - + Add to cart All product details
Rabeprazole Related Compound B (15 mg) (2-{[(1H-benzo[d]imidazol-2-yl)sulfinyl]methyl}-4-(3-methoxypropoxy)-3-methylpyridine 1-oxide) Item no. USP-1598031 CAS Number [924663-38-7] Unit 15 mg Molecular formula C18H21N3O4S Analytes Select to compare Price on request - + Add to cart All product details
Ranolazine Related Compound B(N-(2,6-Dimethylphenyl)-2-[4-(2-hydroxy-3-phenoxypropyl)piperazin-1-yl]acetamide dihydrochloride monohydrate) Item no. USP-1598766 CAS Number [n/a] Unit 50 mg Molecular formula C23H31N3O3x2HCIxH2O Analytes Select to compare Price on request - + Add to cart All product details
Ranolazine Related Compound C (50 mg) (N-(2,6-Dimethylphenyl)-2-(piperazin-1-yl)acetamide) Item no. USP-1598777 CAS Number [5294-61-1] Unit 50 mg Molecular formula C14H21N3O Analytes Select to compare Price on request - + Add to cart All product details
Ranolazine Related Compound D (2,2'-(Piperazine-1,4-diyl)bis[N-(2,6-dimethylphenyl)acetamide]) Item no. USP-1598788 CAS Number [380204-72-8] Unit 50 mg Molecular formula C24H32N4O2 Analytes Select to compare Price on request - + Add to cart All product details
Rosmarinic Acid (25 mg) Item no. USP-1605952 CAS Number [20283-92-5] Unit 25 mg Molecular formula C18H16O8 Analytes Select to compare Price on request - + Add to cart All product details
Safflower Oil (1 g) Item no. USP-1607200 CAS Number [8001-23-8] Unit 1 g Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Sulbactam Related Compound E ((2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide) Item no. USP-1623783 CAS Number [76646-91-8] Unit 15 mg Molecular formula C8H9Br2NO5S Analytes Select to compare Price on request - + Add to cart All product details
Sulfamethoxazole Related Compound B (4-amino-N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}benzenesulfonamide Item no. USP-1631522 CAS Number [135529-16-7] Unit 15 mg Molecular formula C16H16N4O5S2 Analytes Select to compare Price on request - + Add to cart All product details
Tetracaine Related Compound B (4-(Butylamino)benzoic acid) Item no. USP-1650017 CAS Number [4740-24-3] Unit 25 mg Molecular formula C11H15NO2 Analytes Select to compare Price on request - + Add to cart All product details
Trazodone Hydrochloride Item no. USP-1673500 CAS Number [25332-39-2] Unit 200 mg Molecular formula C19H22ClN5O · HCl Analytes Select to compare Price on request - + Add to cart All product details
Triamterene Related Compound A - 2,4,6-triamino-5-nitrosopyrimidine Item no. USP-1680018 CAS Number [1006-23-1] Unit 50 mg Molecular formula C4H6N6O Analytes Select to compare Price on request - + Add to cart All product details
Triamterene Related Compound C - 2,4,diamino-7-hydroxy-6-phenylpteridine Item no. USP-1680030 CAS Number [19152-93-3] Unit 50 mg Molecular formula C12H10N6O Analytes Select to compare Price on request - + Add to cart All product details
Tributyl Phosphine Oxide Item no. USP-1680685 CAS Number [814-29-9] Unit 25 mg Molecular formula C12H27OP Analytes Select to compare Price on request - + Add to cart All product details
Trimethoprim Related Compound A - 4-amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-ol Item no. USP-1692516 CAS Number [60729-91-1] Unit 25 mg Molecular formula C14H17N3O4 Analytes Select to compare Price on request - + Add to cart All product details
Trimethoprim Related Compound B - (2,4-diaminopyrimidin-5-yl)(3,4,5-trimethoxyphenyl)methanone Item no. USP-1692527 CAS Number [30806-86-1] Unit 25 mg Molecular formula C14H16N4O4 Analytes Select to compare Price on request - + Add to cart All product details
Trimipramine Maleate Item no. USP-1692709 CAS Number [521-78-8] Unit 100 mg Molecular formula C20H26N2 · C4H4O4 / C24H30N2O4 Analytes Select to compare Price on request - + Add to cart All product details
Trimipramine Related Compound A (3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine) Item no. USP-1692710 CAS Number [315-69-5] Unit 25 mg Molecular formula C20H24N2 Analytes Select to compare Price on request - + Add to cart All product details
Tritricosanoin Item no. USP-1696153 CAS Number [86850-72-8] Unit 50 mg Molecular formula C72H140O6 Analytes Select to compare Price on request - + Add to cart All product details
Trisalicylic Acid Item no. USP-1696200 CAS Number [n/a] Unit 100 mg Molecular formula C21H14O7 Analytes Select to compare Price on request - + Add to cart All product details
Tropicamide Related Compound C (3-hydroxy-2-phenylpropionic acid) Item no. USP-1699038 CAS Number [529-64-6] Unit 25 mg Molecular formula C9H10O3 Analytes Select to compare Price on request - + Add to cart All product details
L-Tryptophan Item no. USP-1700501 CAS Number [73-22-3] Unit 200 mg Molecular formula C11H12N2O2 Analytes Select to compare Price on request - + Add to cart All product details
Tryptophan Related Compound A - 1,1'-ethylidene-bis-(L-tryptophan) Item no. USP-1700512 CAS Number [132685-02-0] Unit 15 mg Molecular formula C24H26N4O4 Analytes Select to compare Price on request - + Add to cart All product details
Tubocurarine Chloride Item no. USP-1702008 CAS Number [6989-98-6] Unit 175 mg Molecular formula C37H41ClN2O6 · HCl · 5H2O Analytes Select to compare Price on request - + Add to cart All product details
Tylosin - Biologic Item no. USP-1703805 CAS Number [1401-69-0] Unit 250 mg Molecular formula C46H77NO17 Analytes Select to compare Price on request - + Add to cart All product details
Tyloxapol Item no. USP-1704003 CAS Number [25301-02-4] Unit 3 x 200 mg Molecular formula (CH2O)mon(C2H4O)mon(C14H22O)mon)co Analytes Select to compare Price on request - + Add to cart All product details
L-Tyrosine - Biologic Item no. USP-1705006 CAS Number [60-18-4] Unit 500 mg Molecular formula C9H11NO3 Analytes Select to compare Price on request - + Add to cart All product details
Ursolic Acid Item no. USP-1707770 CAS Number [77-52-1] Unit 25 mg Molecular formula C30H48O3 Analytes Select to compare Price on request - + Add to cart All product details
Valacyclovir Related Compound C (2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-methyl-L-valinate hydrochloride) Item no. USP-1707855 CAS Number [n/a] Unit 10 mg Molecular formula C14H22N6O4 · HCl Analytes Select to compare Price on request - + Add to cart All product details
Valacyclovir Related Compound D - 2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-ethyl-L-valinate Item no. USP-1707861 CAS Number [1346747-69-0] Unit 15 mg Molecular formula C15H24N6O4 Analytes Select to compare Price on request - + Add to cart All product details
Valproic Acid Related Compound B - (2RS)-2-(1-methylethyl) pentanoic acid Item no. USP-1708718 CAS Number [62391-99-5] Unit 50 mg Molecular formula C8H16O2 Analytes Select to compare Price on request - + Add to cart All product details
Valrubicin Resolution Mixture Valrubicin spiked with seven related substance Item no. USP-1708751 CAS Number [n/a] Unit 25 mg Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Valsartan Related Compound A - (R)-N-Valeryl-N-([2'-(1-H-tetrazole)-5-yl)-biphenyl-4-yl]-methyl)-valine Item no. USP-1708773 CAS Number [137862-87-4] Unit 10 mg Molecular formula C24H29N5O3 Analytes Select to compare Price on request - + Add to cart All product details
Valsartan Related Compound B (N-Butyryl-N-[[2?-(1H-tetrazole-5-yl)biphenyl-4-yl]methyl]-L-valine) Item no. USP-1708784 CAS Number [952652-79-8] Unit 10 mg Molecular formula C23H27N5O3 Analytes Select to compare Price on request - + Add to cart All product details
Venlafaxine Related Compound A - 1-(1-(4-Methoxyphenyl)-2-(methylamino)ethyl)cyclohexanol hydrochloride Item no. USP-1711279 CAS Number [93413-90-2] Unit 10 mg Molecular formula C16H25NO2 · HCl Analytes Select to compare Price on request - + Add to cart All product details
Verapamil Related Compound A - 3,4-Dimethoxy-alpha-[3-(methylamino)propyl]-alpha-(1-methylethyl)- benzeneacetonitrile mono hydrochloride Item no. USP-1711304 CAS Number [67775-97-7] Unit 50 mg Molecular formula C17H26N2O2 · HCl Analytes Select to compare Price on request - + Add to cart All product details
Verapamil Related Compound E - 3,4-dimethoxybenzaldehyde Item no. USP-1711439 CAS Number [120-14-9] Unit 50 mg Molecular formula C9H10O3 Analytes Select to compare Price on request - + Add to cart All product details
Verteporfin Item no. USP-1711461 CAS Number [129497-78-5] Unit 100 mg Molecular formula C41H42N4O8 Analytes Select to compare Price on request - + Add to cart All product details
Vinorelbine Tartrate (COLD SHIPMENT REQUIRED) Item no. USP-1714506 CAS Number [125317-39-7] Unit 200 mg Molecular formula C45H54N4O8 · 2C4H6O6 Analytes Select to compare Price on request - + Add to cart All product details
Vinpocetine Related Compound A - Ethyl(12RS,13aSR,13bSR)-13a-ethyl-12-hydroxy-2,3,5,6,12,13,13a,13b-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate Item no. USP-1714619 CAS Number [40163-56-2] Unit 30 mg Molecular formula C22H28N2O3 Analytes Select to compare Price on request - + Add to cart All product details
Vinpocetine Related Compound B - Methyl(13aS,13bS)-13a-ethyl-9-methoxy-2,3,5,6,13a,13bhexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate Item no. USP-1714620 CAS Number [4880-92-6] Unit 30 mg Molecular formula C21H24N2O2 Analytes Select to compare Price on request - + Add to cart All product details
Vinpocetine Related Compound C (Ethyl (13aS,13bS)-13a-ethyl-10-methoxy-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate phosphate (salt)) Item no. USP-1714641 CAS Number [n/a] Unit 30 mg Molecular formula C23H28N2O3 · H3PO4 Analytes Select to compare Price on request - + Add to cart All product details
Vinpocetine Related Compound D - Ethyl(12RS,13aRS,13bRS)-13a-ethyl-2,3,5,6,12,13,13a,13boctahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate Item no. USP-1714652 CAS Number [57327-92-1] Unit 30 mg Molecular formula C22H28N2O2 Analytes Select to compare Price on request - + Add to cart All product details
Voriconazole Related Compound A ((2RS, 3RS)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol) Item no. USP-1718019 CAS Number [182230-49-9] Unit 10 mg Molecular formula C16H14F3N5O Analytes Select to compare Price on request - + Add to cart All product details
Voriconazole Related Compound F - {(1RS,4SR)-7,7-Dimethyl-2-oxobicyclo[2.2.1]hept-1yl}methanesulphonic acid Item no. USP-1718063 CAS Number [5872-08-2] Unit 50 mg Molecular formula C10H16O4S Analytes Select to compare Price on request - + Add to cart All product details
Withanolide A Item no. USP-1719500 CAS Number [32911-62-9] Unit 15 mg Molecular formula C28H38O6 Analytes Select to compare Price on request - + Add to cart All product details
Withanoside IV Item no. USP-1719532 CAS Number [362472-81-9] Unit 15 mg Molecular formula C40H62O15 Analytes Select to compare Price on request - + Add to cart All product details
Xanthanoic Acid Item no. USP-1720000 CAS Number [82-07-5] Unit 100 mg Molecular formula C14H10O3 Analytes Select to compare Price on request - + Add to cart All product details
Xanthone Item no. USP-1720203 CAS Number [90-47-1] Unit 100 mg Molecular formula C13H8O2 Analytes Select to compare Price on request - + Add to cart All product details