• Riboflavin5'-(trihydrogen diphosphate), 1,5-dihydro-, P'®5'-ester with adenosine
• 1910-41-4
• C27H35 N9 O15 P2
• 0
• .

• Retinol, 7,10-dihydro-10-hydroxy-, acetate
• 93820-51-0
• C₂₂H₃₄O₃
• 298-631-1
• 344.48768
• .

• Residues (petroleum),vacuum, hydrocracked, middle distillate fraction
• 129893-10-3
• .

• Ruthenium(2+),tris(2,2'-bipyridine-kN1,kN1')-, chloride (1:2), (OC-6-11)-
• 14323-06-9
• C₃₀H₂₄Cl₂N₆Ru
• 238-266-7
• 640.53
• .

• RNA formation factor(Saccharomyces cerevisiae clone pM4-4 gene MET4) (9CI)
• 147015-95-0
• 0
• .

• RNA formation factor(human gene spi-B reduced) (9CI)
• 148350-00-9
• 0
• .

• RNA formation factor(Pseudomonas aeruginosa clone D3/23/D1/32 gene algR reduced) (9CI)
• 123082-41-7
• 0
• .

• Ruthenium(2+),pentaamminechloro-, (OC-6-22)-
• 21560-19-0
• ClH15 N5 Ru
• 0
• .

• Ruthenate(2-),aquapentachloro-, ammonium (1:2), (OC-6-21)-
• 25461-53-4
• Cl5H2 O Ru . 2 H4 N
• 247-008-2
• 332.4272
• .

• RNA formation factor(Streptomyces coelicolor clone pCSB1 gene hrdB) (9CI)
• 146409-37-2
• 0
• .

• Rifamycin VIII,1',4-didehydro-1-deoxy-5'-(hexahydro-4-methyl-1H-1,4-diazepin-1-yl)-1,4-dihydro-3'-hydroxy-1-oxo-(9CI)
• 148235-99-8
• C49H60 N4 O13
• 913.0197
• .

• Rauwolfia extract
• 90106-13-1
• C₃₇H₆₁BrN₂O₄
• 290-234-1
• 0
• .

• Resinacids, polymd., esters with pentaerythritol
• 65997-12-8
• 0
• .

• Ribonucleoprotein cp29B (Nicotiana sylvestris clone pNS29BG 24.6-kilodalton precursor reduced)(9CI)
• 146704-56-5
• 0
• .

• RNA formation factorHES 5 (rat clone pHES-5 reduced) (9CI)
• 148591-48-4
• 0
• .

• Retropepsin
• 144114-21-6
• .

• RNA formation factorTFE 3 (mouse clone 6B/LC2 327-amino acid isoform) (9CI)
• 144906-21-8
• 0
• .

• Ruthenium hydroxide(Ru(OH)3)
• 12135-42-1
• H3O3 Ru
• 235-221-3
• 152.09202
• .

• Riboflavin5'-(trihydrogen diphosphate), 6-mercapto-, P'®5'-ester with adenosine (9CI)
• 101760-90-1
• C27H33 N9 O15 P2 S
• 0
• .

• Ruthenate (RuO43-),trisodium, (T-4)- (9CI)
• 51429-86-8
• Na. 1/3 O4 Ru
• 257-198-9
• 234.03691
• .

• Resin acids,ethoxylated
• 8050-33-7
• 0
• .

• Retinoic acid, ethylester
• 3899-20-5
• C22H32 O2
• 0
• .

• RNA formation factor(mouse gene Brn-1 reduced) (9CI)
• 147258-10-4
• 0
• .

• Receptor p58 (humanclone cl-43 precursor) (9CI)
• 167975-17-9
• 0
• .

• Rumalon (8CI,9CI)
• 11035-03-3
• 0
• .

• Receptor, neurotrophin3 (swine clone pFL19 gene trkC protein moiety reduced) (9CI)
• 144515-70-8
• .

• RNA formation factor(Saccharomyces cerevisiae clone pPM4 gene GLN3 reduced) (9CI)
• 145169-91-1
• 0
• .

• Rifamycin VIII,25-O-deacetyl-1',4-didehydro-1-deoxy-1,4-dihydro-3'-hydroxy-5'-[4-(2-methylpropyl)-1-piperazinyl]-1-oxo-
• 148236-03-7
• C49H62 N4 O12
• 899.0362
• .

• Receptor (mouse clonenur/77 protein moiety reduced) (9CI)
• 121479-42-3
• 0
• .

• Retinol,5,6-epoxy-5,6-dihydro-
• 512-39-0
• C20H30 O2
• 0
• .

• Reboxetine mesylate
• 98769-84-7
• C₁₉H₂₃NO₃^.CH₄O₃S
• 409.49648
• .

• Radium, isotope of mass220
• 15756-71-5
• Ra
• 220
• .

• Retinol, 4,4-difluoro-,acetate (9CI)
• 90660-22-3
• C22H30 F2 O2
• 0
• .

• RNA formation factora1/EBP (chicken C-terminal fragment) (9CI)
• 151472-23-0
• 0
• .

• Radish, ext.
• 84775-94-0
• 283-918-6
• 0
• .

• Rhodium,trichloro[[2-[(diphenylphosphino-kP)methyl]-2-methyl-1,3-propanediyl]bis[diphenylphosphine-kP]]-, (OC-6-22)- (9CI)
• 62792-06-7
• C41H39 Cl3 P3 Rh
• 833.93
• .

• Rifamycin,4-O-[2-(4-morpholinyl)-2-oxoethyl]- (9CI)
• 14150-54-0
• C43H56 N2 O14
• 824.9097
• .

• Ruscus aculeatus, ext.
• 84012-38-4
• 281-682-9
• 0
• .

• Rubidium, di-m-iododi-
• 12532-37-5
• I2Rb2
• .

• Resorcinol Formaldehyde Resin? Tulares -F 100
• 24969-11-7
• C₇H₈O₃
• 140.1366
• .

• RNA formation factor(Saccharomyces cerevisiae clone pSC2-1 gene CDC68 reduced) (9CI)
• 145112-26-1
• 0
• .

• Ristomycin A aglycone,5,31-dichloro-7-demethyl-64-O-demethyl-19-deoxy-56-O-[2-deoxy-2-[(1-oxodecyl)amino]-b-D-glucopyranuronosyl]-42-O-a-D-mannopyranosyl-N15-methyl- (9CI)
• 110882-81-0
• C81H84 Cl2 N8 O29
• 0
• .

• Rosin, sapond.
• 100403-64-3
• 309-610-4
• .

• Rifamycin,3-[[(4-cyclopentyl-1-piperazinyl)imino]methyl]-
• 71950-35-1
• C47H64 N4 O12
• 877.03066
• .

• ribo-Hexose,2,6-dideoxy-3-C-methyl-3-O-methyl-
• 470-12-2
• C8H16 O4
• 0
• .

• Rhenium,pentacarbonylgermyl-, (OC-6-22)-
• 30012-26-1
• C5H3 Ge O5 Re
• 217.71852
• .

• Rowatinex (9CI)
• 84593-61-3
• 0
• .

• Rifamycin,4-O-[2-(diethylamino)-2-oxoethyl]-, sodium salt (9CI)
• 53109-90-3
• C43H58 N2 O13 . x Na
• 0
• .

• Retinoic acid, 4-oxo-,13-cis-
• 71748-58-8
• C20H26 O3
• 314.42
• .

• Resins, podophyllum
• 9000-55-9
• C88H92O34
• 232-546-2
• 1693.65168
• .