Ritonavir (5-Thiazolylmethyl [(alphaS)-alpha-[(1S,3S)-1-hydroxy-3-[(2S)-2-[3-[(2-isopropyl-4-thiazolyl)methyl]-3-methylureido]3-methylbutyramido]-4-phenylbutyl]phenethyl]carbamate) Item no. USP-1604803 CAS Number [155213-67-5] Unit 200 mg Molecular formula C37H48N6O5S2 Analytes Select to compare Price on request - + Add to cart All product details
Rivastigmine Related Compound C - ((S)-3-[1-(Dimethylamino)ethyl]phenol) Item no. USP-1604811 CAS Number [139306-10-8] Unit 15 mg Molecular formula C10H15NO Analytes Select to compare Price on request - + Add to cart All product details
Ritonavir Related Compounds Mixture (Mixture of ritonavir, hydroxyritonavir, hydantoin aminoalcohol and 4-hydroxy isomer) Item no. USP-1604814 CAS Number [n/a] Unit 50 mg Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Rivastigmine Related Compound D - (3-Acetylphenyl ethyl(methyl)carbamate) Item no. USP-1604825 CAS Number [855300-09-3] Unit 50 mg Molecular formula C12H15NO3 Analytes Select to compare Price on request - + Add to cart All product details
Rivastigmine Item no. USP-1604836 CAS Number [123441-03-2] Unit 0,1 mL Molecular formula C14H22N2O2 Analytes Select to compare Price on request - + Add to cart All product details
Rivastigmine Tartrate R-Isomer (R)-3-[1-(Dimethylamino)ethyl]phenyl ethylmethylcarbamate, hydrogen tartrate Item no. USP-1604847 CAS Number [415973-05-6] Unit 20 mg Molecular formula C14H22N2O2 · C4H6O6 Analytes Select to compare Price on request - + Add to cart All product details
Rivastigmine Related Compound A - (+)-Di-p-toluoyl-D-(+)-tartaric acid Item no. USP-1604869 CAS Number [32634-68-7] Unit 15 mg Molecular formula C20H18O8 Analytes Select to compare Price on request - + Add to cart All product details
Rivastigmine Related Compound B - (R,S)-3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate Item no. USP-1604870 CAS Number [25081-93-0] Unit 15 mg Molecular formula C13H20N2O2 Analytes Select to compare Price on request - + Add to cart All product details
Rizatriptan Benzoate Item no. USP-1604880 CAS Number [145202-66-0] Unit 200 mg Molecular formula C15H19N5 · C7H6O2 Analytes Select to compare Price on request - + Add to cart All product details
Rizatriptan Benzoate System Suitability Mixture Item no. USP-1604891 CAS Number [n/a] Unit 15 mg Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Rocuronium Peak Identification Mixture rocuronium bromide spiked with rocuronium related compounds A,B,C,D,E,F,G and H Item no. USP-1604916 CAS Number [n/a] Unit 25 mg Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Ropinirole Hydrochloride Item no. USP-1605205 CAS Number [91374-20-8] Unit 200 mg Molecular formula C16H25ClN2O / C16H24N2O·HCl Analytes Select to compare Price on request - + Add to cart All product details
Ropinirole Related Compound A - 4-(2-hydroxyethyl)indolin-2-one Item no. USP-1605216 CAS Number [139122-19-3] Unit 50 mg Molecular formula C10H11NO2 Analytes Select to compare Price on request - + Add to cart All product details
Ropinirole Related Compound B - (4-[2-(Dipropylamino)ethyl]indoline-2,3-dione hydrochloride) Item no. USP-1605227 CAS Number [221264-21-7] Unit 50 mg Molecular formula C16H22N2O2 · HCl Analytes Select to compare Price on request - + Add to cart All product details
Ropivacaine Item no. USP-1605497 CAS Number [84057-95-4] Unit 200 mg Molecular formula C17H26N2O Analytes Select to compare Price on request - + Add to cart All product details
Ropivacaine Hydrochloride ((S)-(-)-1-Propyl-2',6'-pipecoloxylidine hydrochloride monohydrate) Item no. USP-1605500 CAS Number [132112-35-7] Unit 200 mg Molecular formula C17H26N2O · HCl · H2O / C17H29ClN2O2 Analytes Select to compare Price on request - + Add to cart All product details
Ropivacaine Related Compound A - 2,6-dimethylaniline hydrochloride Item no. USP-1605512 CAS Number [21436-98-6] Unit 25 mg Molecular formula C8H11N · HCl Analytes Select to compare Price on request - + Add to cart All product details
Ropivacaine Related Compound B: (R)-N-(2,6-Dimethylphenyl)-1-propylpiperidine-2-carboxamide hydrochloride monohydrate Item no. USP-1605523 CAS Number [n/a] Unit 50 mg Molecular formula C17H26N2O · HCl · H20 Analytes Select to compare Price on request - + Add to cart All product details
Rosiglitazone Maleate Item no. USP-1605817 CAS Number [155141-29-0] Unit 200 mg Molecular formula C22H23N3O7S Analytes Select to compare Price on request - + Add to cart All product details
Rosiglitazone Related Compound A - (5Z)-5-{[4-({2-[methyl(2-pyridinyl)amino]ethyl}oxy)phenyl]methylidene}-1,3-thiazolidine-2,4-dione Item no. USP-1605828 CAS Number [160596-25-8] Unit 25 mg Molecular formula C18H17N3O3S Analytes Select to compare Price on request - + Add to cart All product details
Roxarsone Item no. USP-1606208 CAS Number [121-19-7] Unit 200 mg Molecular formula C6H6AsNO6 Analytes Select to compare Price on request - + Add to cart All product details
Rufinamide Item no. USP-1606401 CAS Number [106308-44-5] Unit 200 mg Molecular formula C10H8F2N4O Analytes Select to compare Price on request - + Add to cart All product details
Rufinamide Related Compound A - 1-(2-Fluorobenzyl)-1H-1,2,3-triazole-4-carboxamide Item no. USP-1606412 CAS Number [106308-41-2] Unit 25 mg Molecular formula C10H9FN4O Analytes Select to compare Price on request - + Add to cart All product details
Rufinamide Related Compound B - Methyl 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylate Item no. USP-1606423 CAS Number [217448-86-7] Unit 25 mg Molecular formula C11H9F2N3O2 Analytes Select to compare Price on request - + Add to cart All product details
Saccharin Item no. USP-1607007 CAS Number [81-07-2] Unit 200 mg Molecular formula C7H5NO3S Analytes Select to compare Price on request - + Add to cart All product details
Saccharin Calcium Item no. USP-1607029 CAS Number [6381-91-5] Unit 150 mg Molecular formula C14H8CaN2O6S2 · 3.5H2O Analytes Select to compare Price on request - + Add to cart All product details
Saccharin Sodium Item no. USP-1607040 CAS Number [128-44-9] Unit 200 mg Molecular formula C7H4NNaO3S Analytes Select to compare Price on request - + Add to cart All product details
Powdered St. John's Wort Extract Item no. USP-1607506 CAS Number [84082-80-4] Unit 600 mg Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Salicylamide Item no. USP-1608000 CAS Number [65-45-2] Unit 200 mg Molecular formula C7H7NO2 Analytes Select to compare Price on request - + Add to cart All product details
Salicylic Acid Item no. USP-1609002 CAS Number [69-72-7] Unit 125 mg Molecular formula C7H6O3 Analytes Select to compare Price on request - + Add to cart All product details
Salicylic Acid Related Compound A - 4-hydroxybenzoic acid Item no. USP-1609013 CAS Number [99-96-7] Unit 100 mg Molecular formula C7H6O3 Analytes Select to compare Price on request - + Add to cart All product details
Salicylic Acid Related Compound B - 4-hydroxyisophthalic acid Item no. USP-1609024 CAS Number [636-46-4] Unit 100 mg Molecular formula C8H6O5 Analytes Select to compare Price on request - + Add to cart All product details
Salmeterol Xinafoate Item no. USP-1609603 CAS Number [94749-08-3] Unit 150 mg Molecular formula C25H37NO4 · C11H8O3 Analytes Select to compare Price on request - + Add to cart All product details
Salmeterol Related Compound A - 4-[1-Hydroxy-2-(4-phenylbutylamino)ethyl]-2-(hydroxymethyl)phenol Item no. USP-1609614 CAS Number [n/a] Unit 20 mg Molecular formula C19H25NO3 Analytes Select to compare Price on request - + Add to cart All product details
Salmeterol Related Compound B - 4-{1-Hydroxy-2-[6-(4-phenylbutan-2-yloxy)hexylamino]ethyl}2-(hydroxymethyl)phenol Item no. USP-1609625 CAS Number [108928-81-0] Unit 3 x 1,3 mg Molecular formula C25H37NO4 Analytes Select to compare Price on request - + Add to cart All product details
Salsalate Item no. USP-1609807 CAS Number [552-94-3] Unit 150 mg Molecular formula C14H10O5 Analytes Select to compare Price on request - + Add to cart All product details
Salvianolic Acid B Item no. USP-1609818 CAS Number [121521-90-2] Unit 25 mg Molecular formula C36H30O16 Analytes Select to compare Price on request - + Add to cart All product details
Saquinavir Mesylate Item no. USP-1609829 CAS Number [149845-06-7] Unit 200 mg Molecular formula C38H50N6O5·CH4O3S Analytes Select to compare Price on request - + Add to cart All product details
Saquinavir Related Compound A - N-tert-butyl-decahydro-2-[2(R)-hydroxy-4-phenyl-3(S)-[[N-(2-quinolylcarbonyl)-D-asparaginyl]amino]butyl]-(4aS,8aS)-isoquinoline-3(S)-carboxamide Item no. USP-1609831 CAS Number [n/a] Unit 25 mg Molecular formula C38H50N6O5 Analytes Select to compare Price on request - + Add to cart All product details
Scopolamine Hydrobromide (Benzeneacetic acid, alpha-(hydroxymethyl)-, 9-methyl-3-oxa-9-azatricyclo[3.3.1.0.2,4]non-7-yl ester,hydrobromide, hydrate [7(S)-(1alpha,2beta,4beta,5alpha,7beta)]-) Item no. USP-1610001 CAS Number [n/a] Unit 500 mg Molecular formula C17H21NO4·HBr·xH2O Analytes Select to compare Price on request - + Add to cart All product details
Scopoletin Item no. USP-1610090 CAS Number [92-61-5] Unit 20 mg Molecular formula C10H8O4 Analytes Select to compare Price on request - + Add to cart All product details
Selegiline Hydrochloride Item no. USP-1611900 CAS Number [14611-52-0] Unit 200 mg Molecular formula C13H17N·HCl Analytes Select to compare Price on request - + Add to cart All product details
Selenomethionine Item no. USP-1611955 CAS Number [3211-76-5] Unit 100 mg Molecular formula C5H11NO2Se Analytes Select to compare Price on request - + Add to cart All product details
Sennosides Item no. USP-1612007 CAS Number [52730-36-6]/[52730-37-7] Unit 500 mg Molecular formula C42H38O20 Analytes Select to compare Price on request - + Add to cart All product details
Sennoside A Item no. USP-1612018 CAS Number [81-27-6] Unit 20 mg Molecular formula C42H38O20 Analytes Select to compare Price on request - + Add to cart All product details
Sennoside B Item no. USP-1612029 CAS Number [128-57-4] Unit 20 mg Molecular formula C42H38O20 Analytes Select to compare Price on request - + Add to cart All product details
Sesame Oil Item no. USP-1612404 CAS Number [8008-74-0] Unit 1 g Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Sesame Oil Related Compound A - 1,2-dilinoleoyl-3-oleoyl-rac-glycerol (OLL) Item no. USP-1612415 CAS Number [2190-21-8] Unit 2 x 12 mg Molecular formula C57H100O6 Analytes Select to compare Price on request - + Add to cart All product details
Sesame Oil Related Compound B ((1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol) (PLL)) Item no. USP-1612426 CAS Number [2190-15-0] Unit 2 x 12 mg Molecular formula C55H98O6 Analytes Select to compare Price on request - + Add to cart All product details
L-Serine Item no. USP-1612506 CAS Number [56-45-1] Unit 200 mg Molecular formula C3H7NO3 Analytes Select to compare Price on request - + Add to cart All product details