Rifabutin Item no. USP-1603800 CAS Number [72559-06-9] Unit 50 mg Molecular formula C46H62N4O11 Analytes Select to compare Price on request - + Add to cart All product details
Rifampin Item no. USP-1604009 CAS Number [13292-46-1] Unit 300 mg Molecular formula C43H58N4O12 Analytes Select to compare Price on request - + Add to cart All product details
Rifampin Quinone (1,4-dideoxy-1,4-dihydro-3-[[[4-methyl-1-piperazinyl]imino]methyl]-1,4-dioxo-rifamycin) Item no. USP-1604202 CAS Number [13983-13-6] Unit 25 mg Molecular formula C43H56N4O12 Analytes Select to compare Price on request - + Add to cart All product details
Riluzole (2-Amino-6-(trifluoromethoxy)benzothiazole) Item no. USP-1604337 CAS Number [1744-22-5] Unit 200 mg Molecular formula C8H5F3N2OS Analytes Select to compare Price on request - + Add to cart All product details
Riluzole Related Compound A - 4-trifluoromethoxyaniline Item no. USP-1604348 CAS Number [461-82-5] Unit 25 mg Molecular formula C7H6F3NO Analytes Select to compare Price on request - + Add to cart All product details
Rimantadine Hydrochloride (HCl) Item no. USP-1604508 CAS Number [1501-84-4] Unit 300 mg Molecular formula C12H21N.HCl Analytes Select to compare Price on request - + Add to cart All product details
Rimexolone Item no. USP-1604600 CAS Number [49697-38-3] Unit 100 mg Molecular formula C24H34O3 Analytes Select to compare Price on request - + Add to cart All product details
Risedronate Sodium Item no. USP-1604610 CAS Number [329003-65-8] Unit 350 mg Molecular formula C7H10NNaO7P2 · 2.5H2O Analytes Select to compare Price on request - + Add to cart All product details
Risedronate Related Compound A ([1-Hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid), monohydrate) Item no. USP-1604621 CAS Number [1220806-40-5] Unit 20 mg Molecular formula C7H11NO7P2 · H2O Analytes Select to compare Price on request - + Add to cart All product details
Risedronate Related Compound B ([3,6-Bis[(3-pyridinyl)methyl]-2,5-dihydroxy-2,5-dioxido-1,4,2,5-dioxadiphosphorinane-3,6-diyl]bis[phosphonic acid]disodium tetrahydrate salt) Item no. USP-1604632 CAS Number [n/a] Unit 20 mg Molecular formula C14H16N2Na2O12P4 · 4H2O Analytes Select to compare Price on request - + Add to cart All product details
Risedronate Related Compound C - [2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid) Item no. USP-1604643 CAS Number [75755-10-1] Unit 20 mg Molecular formula C7H11NO6P2 Analytes Select to compare Price on request - + Add to cart All product details
Risperidone Item no. USP-1604654 CAS Number [106266-06-2] Unit 100 mg Molecular formula C23H27FN4O2 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 Tartrate ((S)-3-[1-(Dimethylamino)ethyl]phenyl ethylmethylcarbamate, hydrogen tartrate) Item no. USP-1604858 CAS Number [129101-54-8] Unit 200 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 Bromide (COLD SHIPMENT REQUIRED) Item no. USP-1604905 CAS Number [119302-91-9] Unit 250 mg Molecular formula C32H53BrN2O4 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 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
Rutin Item no. USP-1606503 CAS Number [250249-75-3] Unit 100 mg Molecular formula C27H30O16·3H2O 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
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
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 - BACKORDER 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