Riboflavin Impurity 8 | GNT-ST-42467| Gentaur Distribution US, UK & EuropeSynonyms: N-(3,4-dimethylphenyl)-N-((2S,3S,4S)-2,3,4,5,5-pentahydroxypentyl)nitrous amideFormula: C13H20N2O6Molecular...

Riboflavin Impurity 9 | GNT-ST-50284| Gentaur Distribution US, UK & EuropeSynonyms: N-(4,5-dimethyl-2-((E)-phenyldiazenyl)phenyl)-N-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)nitrous amideFormula:...

Riboflavin Impurity K | GNT-ST-50285| Gentaur Distribution US, UK & EuropeSynonyms: 2-(2,7-dimethyl-7,8-dihydro-5H-pyrimido[4,5-d]thiazolo[3,2-a]pyrimidin-8-yl)ethanolFormula: C12H16N4OSMolecular...

Riboflavin Impurity L | GNT-ST-50286| Gentaur Distribution US, UK & EuropeSynonyms: sodium (2S,3S,4R)-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-2,4,5-trihydroxypentan-3-yl...

Riboflavin Impurity M(Riboflavin-4'-Phosphate) | GNT-ST-50287| Gentaur Distribution US, UK & EuropeSynonyms:...

Riboflavin Impurity Q | GNT-ST-50288| Gentaur Distribution US, UK & EuropeSynonyms: 6,7-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)benzo[g]pteridine-2,4(3H,10H)-dioneFormula:...

Riboflavin Impurity R | GNT-ST-19492| Gentaur Distribution US, UK & EuropeSynonyms: 7,8-dimethyl-10-((2R,3S,4R)-2,3,4,5-tetrahydroxypentyl)benzo[g]pteridine-2,4(3H,10H)-dioneFormula:...

Riboflavin Impurity S | GNT-ST-38209| Gentaur Distribution US, UK & EuropeSynonyms: (2R,3S,4S,E)-5-((3,4-dimethylphenyl)imino)pentane-1,2,3,4-tetraolFormula: C13H19NO4Molecular Weight: 253,29CAS:...

Riboflavin Impurity T | GNT-ST-46830| Gentaur Distribution US, UK & EuropeSynonyms: (2R,3S,4R)-5-((3,4-dimethylphenyl)amino)pentane-1,2,3,4-tetraolFormula: C13H21NO4Molecular Weight: 255,31CAS:...

Riboflavin Impurity U | GNT-ST-46831| Gentaur Distribution US, UK & EuropeSynonyms: (2R,3R,4R,5S)-6-((3,4-dimethylphenyl)amino)hexane-1,2,3,4,5-pentaolFormula: C14H23NO5Molecular Weight:...

Riboflavin Impurity V | GNT-ST-46832| Gentaur Distribution US, UK & EuropeSynonyms: (2R,3S,4S)-5-((3,4-dimethyl-2-((E)-phenyldiazenyl)phenyl)amino)pentane-1,2,3,4-tetraolFormula:...

Riboflavin Impurity W | GNT-ST-19493| Gentaur Distribution US, UK & EuropeSynonyms: (3R)-2,3,4,5-tetrahydroxypentanalFormula: C5H10O5Molecular Weight: 150,13CAS: 233-708-5

Riboflavin Impurity X | GNT-ST-19494| Gentaur Distribution US, UK & EuropeSynonyms: 7,8-dimethyl-10-((2S,3S)-2,3,5-trihydroxy-4-oxopentyl)benzo[g]pteridine-2,4(3H,10H)-dioneFormula:...

Riboflavin Impurity Y | GNT-ST-19496| Gentaur Distribution US, UK & EuropeSynonyms: 7,8-dimethyl-10-((3R,4R)-3,4,5-trihydroxy-2-oxopentyl)benzo[g]pteridine-2,4(3H,10H)-dioneFormula:...

Riboflavin Impurity Z | GNT-ST-19495| Gentaur Distribution US, UK & EuropeSynonyms: 2-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)acetaldehydeFormula: C14H12N4O3Molecular...

Riboflavin Sodium Phosphate EP Impurity A(Riboflavin-3', 4'-Diphosphate) | GNT-ST-02114| Gentaur Distribution US, UK & EuropeSynonyms: Riboflavin 3'-(dihydrogen phosphate), 4'-(dihydrogen...

Riboflavin Sodium Phosphate EP Impurity B(Rbofliavin-3', 5'-Diphosphate) | GNT-ST-02115| Gentaur Distribution US, UK & EuropeSynonyms: Riboflavin 3'-(dihydrogen phosphate), 5'-(dihydrogen...

Riboflavin Sodium Phosphate EP Impurity C(Riboflavin-4', 5'-Diphosphate) | GNT-ST-02116| Gentaur Distribution US, UK & EuropeSynonyms:...

Riboflavin Sodium Phosphate EP Impurity D | GNT-ST-02141| Gentaur Distribution US, UK & EuropeSynonyms:...

Riboflavin-3'-Phosphate | GNT-ST-19481| Gentaur Distribution US, UK & EuropeSynonyms: (2S,3S,4R)-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-2,4,5-trihydroxypentan-3-yl...

Riboflavin-5'-Phosphate Sodium Salt | GNT-ST-19480| Gentaur Distribution US, UK & EuropeSynonyms: sodium...

Riboflavin-[13C4,15N2] | GNT-ST-19482| Gentaur Distribution US, UK & EuropeSynonyms: Lactoflavin-[13C4,15N2]; Vitamin B2-[13C4,15N2]; Vitamin G-[13C4,15N2]Formula: C13[13C4]H20N2[15N2]O6Molecular...

Ribose 5-(Dihydrogen Phosphate) | GNT-ST-03460| Gentaur Distribution US, UK & EuropeSynonyms: (2R,3R,4R)-2,3,4-trihydroxy-5-oxopentyl dihydrogen...

Ribostamycin; Vistamycin | GNT-ST-03461| Gentaur Distribution US, UK & EuropeSynonyms: Antibiotic SF 733;...

Ricinoleic Acid | GNT-ST-14713| Gentaur Distribution US, UK & EuropeSynonyms: (R,Z)-12-hydroxyoctadec-9-enoic acidFormula: C18H34O3Molecular Weight: 298,47CAS: 141-22-0

Ridaforolimus | GNT-ST-01119| Gentaur Distribution US, UK & EuropeSynonyms: RidaforolimusFormula: C53H84NO14PMolecular Weight: 990,21CAS: 572924-54-0

Rifabutin EP Impurity A | GNT-ST-22529| Gentaur Distribution US, UK & EuropeSynonyms: 1-isobutylpiperidin-4-oneFormula: C9H17NOMolecular Weight: 155,24CAS: N/A

Rifabutin EP Impurity B | GNT-ST-22522| Gentaur Distribution US, UK & EuropeSynonyms: 3-aminorifamycin SFormula: C37H46N2O12Molecular Weight: 710,77CAS: N/A

Rifabutin EP Impurity C | GNT-ST-22515| Gentaur Distribution US, UK & EuropeSynonyms: 21,31-didehydrorifabutin,Formula: C46H60N4O11Molecular Weight: 844,99CAS: N/A

Rifabutin EP Impurity D | GNT-ST-22570| Gentaur Distribution US, UK & EuropeSynonyms: 3-amino-4-imidorifamycin SFormula: C37H47N3O11Molecular Weight: 709,78CAS: 62041-01-4

Rifabutin EP Impurity E | GNT-ST-22569| Gentaur Distribution US, UK & EuropeSynonyms: 16-deacetylrifabutinFormula: C44H60N4O10Molecular Weight: 804,97CAS: N/A

Rifabutin | GNT-ST-22536| Gentaur Distribution US, UK & EuropeSynonyms: (9S,12E,14S,15R,16S,17R,18R,19R,20S,21S,22E,24Z)- 6,18,20-trihydroxy-14-methoxy-7,9,15,17,19,21,25-...

Rifampicin EP Impurity A; Rifampicin Quinone | GNT-ST-22574| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin EP Impurity A; Rifampicin quinoneFormula: C43H56N4O12Molecular Weight:...

Rifampicin EP Impurity B; Rifampicin N-Oxide | GNT-ST-22573| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin EP Impurity B; Rifampicin N-OxideFormula: C43H58N4O13Molecular Weight:...

Rifampicin Impurity 16 | GNT-ST-22572| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 16Formula: C42H56N4O12Molecular Weight: 808,91CAS: N/A

Rifampicin Impurity 17 | GNT-ST-22571| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 17Formula: C40H54N4O11Molecular Weight: 766,88CAS: N/A

Rifampicin Impurity 18 | GNT-ST-22585| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 18Formula: C41H56N4O12Molecular Weight: 796,9CAS: N/A

Rifampicin Impurity 19 | GNT-ST-22582| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 19Formula: C43H58N4O12Molecular Weight: 822,94CAS: N/A

Rifampicin Impurity 23 | GNT-ST-22581| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 23Formula: C44H52N4O13Molecular Weight: 844,9CAS: 13292-53-0

Rifampicin Impurity 25 | GNT-ST-22580| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 25Formula: C43H58N4O12Molecular Weight: 822,95CAS: N/A

Rifampicin Impurity 26 | GNT-ST-22579| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 26Formula: C44H60N4O12Molecular Weight: 836,98CAS: N/A

Rifampicin Impurity 27 | GNT-ST-22546| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 27Formula: C43H56N4O13Molecular Weight: 836,94CAS: N/A

Rifampicin Impurity 28 | GNT-ST-22596| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 28Formula: C44H60N4O13Molecular Weight: 852,98CAS: N/A

Rifampicin Impurity 29 | GNT-ST-22544| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 29Formula: C43H58N2O12Molecular Weight: 794,94CAS: N/A

Rifampicin Impurity 30 | GNT-ST-22543| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 30Formula: C43H58N4O13Molecular Weight: 838,95CAS: N/A

Rifampicin Impurity 31 | GNT-ST-22542| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 31Formula: C42H56N4O12Molecular Weight: 808,93CAS: N/A

Rifampicin Impurity 32 | GNT-ST-22541| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 32Formula: C43H56N4O13Molecular Weight: 836,94CAS: N/A

Rifampicin Impurity 33 | GNT-ST-22540| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 33Formula: C43H58N2O12Molecular Weight: 794,94CAS: N/A

Rifampicin Impurity 34 | GNT-ST-22539| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 34Formula: C42H54N4O13Molecular Weight: 822,91CAS: N/A

Rifampicin Impurity 35 | GNT-ST-22595| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 35Formula: C43H58N4O12Molecular Weight: 822,95CAS: N/A

Rifampicin Impurity 36 | GNT-ST-22538| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin Impurity 36Formula: C42H55N5O13Molecular Weight: 837,92CAS: N/A

Rifampicin | GNT-ST-22547| Gentaur Distribution US, UK & EuropeSynonyms: RifampicinFormula: C43H58N4O12Molecular Weight: 822,94CAS: 13292-46-1

Rifampicin-D3 | GNT-ST-22576| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin-d3Formula: C43H55D3N4O12Molecular Weight: 825,96CAS: N/A

Rifampicin-D4 | GNT-ST-22575| Gentaur Distribution US, UK & EuropeSynonyms: Rifampicin-d4Formula: C43H54D4N4O12Molecular Weight: 826,96CAS: N/A

Rifamycin B; Rifaximin EP Impurity B; Rifamycin EP Impurity A | GNT-ST-22593| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin B; Rifaximin EP Impurity B; Rifamycin EP Impurity AFormula:...

Rifamycin Impurity 10 | GNT-ST-22565| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin Impurity 10Formula: C37H45NO11Molecular Weight: 679,76CAS: N/A

Rifamycin Impurity 12 | GNT-ST-22564| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin Impurity 12Formula: C39H47NO15Molecular Weight: 769,8CAS: N/A

Rifamycin Impurity 17 | GNT-ST-22563| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin Impurity 17Formula: C39H47NO15Molecular Weight: 769,8CAS: N/A

Rifamycin Impurity 18 | GNT-ST-22562| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin Impurity 18Formula: C39H45NO15Molecular Weight: 767,78CAS: N/A

Rifamycin Impurity 19 | GNT-ST-22561| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin Impurity 19Formula: C37H47NO13Molecular Weight: 713,78CAS: N/A

Rifamycin L | GNT-ST-22567| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin, 4-(hydroxyacetate); 2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,11(2H)-dione,...

Rifamycin O; Rifaximin EP Impurity F; Rifamycin EP Impurity C | GNT-ST-22534| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin O; Rifaximin EP Impurity FFormula: C39H47NO14Molecular...

Rifamycin S; Rifaximin EP Impurity E; Rifamycin EP Impurity B | GNT-ST-22577| Gentaur Distribution US, UK & EuropeSynonyms: Rifamycin S; Rifaximin EP Impurity E; Rifamycin EP Impurity BFormula:...

Rifamycin Y | GNT-ST-22566| Gentaur Distribution US, UK & EuropeSynonyms: Acetic acid, [(1,2-dihydro-5,6,16,19,21-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11,17-trioxo-2,7-...

Rifapentine Impurity 1 | GNT-ST-22558| Gentaur Distribution US, UK & EuropeSynonyms: 1-nitrosopiperazineFormula: C4H9N3OMolecular Weight: 115,13CAS: 5632-47-3

Rifapentine Impurity 11 | GNT-ST-22557| Gentaur Distribution US, UK & EuropeSynonyms: 1-ethyl-4-nitrosopiperazineFormula: C6H13N3OMolecular Weight: 143,19CAS: 65504-33-8

Rifapentine Impurity 13 | GNT-ST-22556| Gentaur Distribution US, UK & EuropeSynonyms: 1-nitrosopiperidine-4-carboxylic acidFormula: C6H10N2O3Molecular Weight: 158,16CAS: 6238-69-3

Rifapentine Impurity 14 | GNT-ST-22555| Gentaur Distribution US, UK & EuropeSynonyms: tert-butyl 4-nitrosopiperazine-1-carboxylateFormula: C9H17N3O3Molecular Weight: 215,25CAS: 877177-42-9

Rifapentine Impurity 15 | GNT-ST-22554| Gentaur Distribution US, UK & EuropeSynonyms: Rifapentine Impurity 15Formula: C38H45NO13Molecular Weight: 723,77CAS: 27557-15-9

Rifapentine Impurity 2 | GNT-ST-22553| Gentaur Distribution US, UK & EuropeSynonyms: 1,4-dinitrosopiperazineFormula: C4H8N4O2Molecular Weight: 144,13CAS: 140-79-4

Rifapentine Impurity 3 | GNT-ST-22552| Gentaur Distribution US, UK & EuropeSynonyms: N,4-dicyclopentylpiperazin-1-amineFormula: C14H27N3Molecular Weight: 237,38CAS: N/A

Rifapentine Impurity 4 | GNT-ST-22550| Gentaur Distribution US, UK & EuropeSynonyms: piperazin-1-amineFormula: C4H11N3Molecular Weight: 101,15CAS: 30651-60-6

Rifapentine Impurity 5 | GNT-ST-22549| Gentaur Distribution US, UK & EuropeSynonyms: 1,4-dicyclopentylpiperazineFormula: C14H26N2Molecular Weight: 222,37CAS: N/A

Rifapentine Impurity 6 | GNT-ST-22548| Gentaur Distribution US, UK & EuropeSynonyms: piperazine-1,4-diamineFormula: C4H12N4Molecular Weight: 116,16CAS: 106-59-2

Rifapentine N-Oxide | GNT-ST-03158| Gentaur Distribution US, UK & EuropeSynonyms: 3-[[(4-Cyclopentyl-1-piperazinyl)imino]methyl]rifamycin N-OxideFormula: C47H64N4O13Molecular Weight: 893,04CAS:...

Rifapentine Quinone | GNT-ST-22559| Gentaur Distribution US, UK & EuropeSynonyms: 3-[[(4-cyclopentyl-1-piperazinyl)imino]methyl]-rifamycin quinoneFormula: C47H62N4O12Molecular Weight: 875,03CAS:...

Rifapentine | GNT-ST-22560| Gentaur Distribution US, UK & EuropeSynonyms: RifapentineFormula: C47H64N4O12Molecular Weight: 877,05CAS: 61379-65-5

Rifaximin EP Impurity A | GNT-ST-22535| Gentaur Distribution US, UK & EuropeSynonyms: 4-methylpyridin-2-amineFormula: C6H8N2Molecular Weight: 108,14CAS: 695-34-1

Rifaximin EP Impurity C Sodium Salt (Rifamycin Sv Sodium Salt) | GNT-ST-22568| Gentaur Distribution US, UK & EuropeSynonyms:...

Rifaximin EP Impurity D; Rifaximin Y | GNT-ST-22592| Gentaur Distribution US, UK & EuropeSynonyms: Rifaximin EP Impurity D; Rifaximin YFormula: C43H49N3O12Molecular Weight: 799,86CAS: N/A

Rifaximin EP Impurity G | GNT-ST-22533| Gentaur Distribution US, UK & EuropeSynonyms: Rifaximin EP Impurity GFormula: C43H49N3O11Molecular Weight: 783,86CAS: 80621-76-7

Rifaximin EP Impurity H | GNT-ST-22532| Gentaur Distribution US, UK & EuropeSynonyms: (2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)- 5,6,21,23-tetrahydroxy-16-(hydroxymethyl)-27-methoxy-...

Rifaximin Impurity 1 | GNT-ST-22531| Gentaur Distribution US, UK & EuropeSynonyms:...

Rifaximin | GNT-ST-22537| Gentaur Distribution US, UK & EuropeSynonyms: RifaximinFormula: C43H51N3O11Molecular Weight: 785,88CAS: 80621-81-4

Rifaximin-D6 | GNT-ST-22594| Gentaur Distribution US, UK & EuropeSynonyms:...

Rilmenidine Dihydrogen Phosphate EP Impurity A | GNT-ST-23038| Gentaur Distribution US, UK & EuropeSynonyms: 1-(dicyclopropylmethyl)-3-(2-hydroxyethyl)ureaFormula: C10H18N2O2Molecular Weight:...

Rilmenidine Dihydrogen Phosphate EP Impurity B | GNT-ST-23037| Gentaur Distribution US, UK & EuropeSynonyms: 1-(2-chloroethyl)-3-(dicyclopropylmethyl)ureaFormula: C10H17ClN2OMolecular Weight:...

Rilmenidine Dihydrogen Phosphate EP Impurity C | GNT-ST-23036| Gentaur Distribution US, UK & EuropeSynonyms: 1,1-dicyclopropyl-N-(3-(dicyclopropylmethyl)oxazolidin-2-ylidene)methanamineFormula:...

Rilmenidine Dihydrogen Phosphate | GNT-ST-46129| Gentaur Distribution US, UK & EuropeSynonyms: N-(Dicyclopropylmethyl)-4,5-dihydro-oxazol-2-amine dihydrogen phosphateFormula: C10H19N2O5PMolecular...

Rilpivirine Impurity 10 | GNT-ST-22782| Gentaur Distribution US, UK & EuropeSynonyms:...

Rilpivirine Impurity 11 | GNT-ST-22761| Gentaur Distribution US, UK & EuropeSynonyms: (E)-3-(4-amino-3,5-dimethylphenyl)acrylonitrileFormula: C11H12N2Molecular Weight: 172,23CAS: N/A

Rilpivirine Impurity 12 | GNT-ST-22758| Gentaur Distribution US, UK & EuropeSynonyms: (Z)-3-(4-amino-3,5-dimethylphenyl)acrylonitrileFormula: C11H12N2Molecular Weight: 172,23CAS: N/A

Rilpivirine Impurity 13 | GNT-ST-22759| Gentaur Distribution US, UK & EuropeSynonyms: (E)-N-(2-((4-cyanophenyl)amino)pyrimidin-4-yl)-N-(4-(2-cyanovinyl)-2,6-dimethylphenyl)nitrous amideFormula:...

Rilpivirine Impurity 14 | GNT-ST-00763| Gentaur Distribution US, UK & EuropeSynonyms: (E)-N-(4-cyanophenyl)-N-(4-((4-(2-cyanovinyl)-2,6-dimethylphenyl)amino)pyrimidin-2-yl)nitrous amideFormula:...

Rilpivirine Impurity 2 | GNT-ST-22775| Gentaur Distribution US, UK & EuropeSynonyms: 4-((4-chloropyrimidin-2-yl)amino)benzonitrileFormula: C11H7ClN4Molecular Weight: 230,65CAS: 244768-32-9

Rilpivirine Impurity 3 | GNT-ST-22739| Gentaur Distribution US, UK & EuropeSynonyms: (E)-4-((4-((4-(2-cyanovinyl)-2,6-dimethylphenyl)amino)-5-hydroxypyrimidin-2-yl)amino)benzonitrileFormula:...

Rilpivirine Impurity 4 | GNT-ST-22757| Gentaur Distribution US, UK & EuropeSynonyms:...

Rilpivirine Impurity 6 | GNT-ST-22756| Gentaur Distribution US, UK & EuropeSynonyms: 3-(4-amino-3,5-dimethylphenyl)acrylonitrileFormula: C11H12N2Molecular Weight: 172,23CAS: N/A

Rilpivirine Impurity 7 | GNT-ST-22755| Gentaur Distribution US, UK & EuropeSynonyms: 4-((4-((2,6-dimethylphenyl)amino)pyrimidin-2-yl)amino)benzonitrileFormula: C19H17N5Molecular Weight:...

Rilpivirine Impurity 8 | GNT-ST-22754| Gentaur Distribution US, UK & EuropeSynonyms: (E)-4-((4-((4-(2-cyanovinyl)-2,6-dimethylphenyl)amino)pyrimidin-2-yl)amino)benzamideFormula:...