• Rosin, polymer with glycerol, maleic anhydride, phthalic anhydride and soybean oil
• 68918-81-0
• .

• Rosin, polymer with pentaerythritol and tung oil
• 68918-26-3
• .

• Rosin, maleic anhydride, formaldehyde polymer
• 68918-23-0
• .

• RU 39009
• 84371-63-1
• .

• Ro 130
• 84305-02-2
• .

• Rapeseed oil, soybean oil, sulfur cross-linked polymer
• 68952-47-6
• .

• Repandinine
• 6883-11-0
• .

• RS 37367
• 77279-42-6
• .

• RMI 72058
• 77162-49-3
• .

• Rhizobium leguminosarum trifolii
• 68814-61-9
• .

• Rosin, polymer with glycerol, maleic anhydride, pentaerythritol, phthalic anhydride and safflower oil
• 68607-53-4
• .

• Rosin, polymer with bisphenol A, p-butylphenol, formaldehyde, glycerol and tung oil
• 68607-47-6
• .

• Ro 7-4632
• 56573-69-4
• .

• Rhenium(1+), tricarbonylchloro(4-phenylpyridine)-
• 139039-84-2
• C₁₄H₉ClNO₃Re
• .

• Rhodium, carbonyl(3-chlorophenyl)bis(triphenylphosphine)-
• 61903-02-4
• C₄₃H₃₄ClOP₂Rh
• .

• Rhodium, carbonyl[4-(trifluoromethyl)phenyl]bis(triphenylphosphine)-
• 61903-03-5
• C₄₄H₃₄F₃OP₂Rh
• .

• Rhodium, tris(2,6-dimethylphenyl)-
• 138866-52-1
• C₂₄H₂₇Rh
• .

• Ruthenium, tribromotris(diethylphenylphosphine)-
• 64397-51-9
• C₃₀H₄₅Br₃P₃Ru
• .

• Rhodium, tris[[(butylthio)methyl]trimethylsilane]trichloro-
• 54293-35-5
• C₂₄H₆₀Cl₃RhS₃Si₃
• .

• Rhodium, trichlorotris[trimethyl[(phenylthio)methyl]silane]-
• 54293-36-6
• C₃₀H₄₈Cl₃RhS₃Si₃
• .

• Rhodium, trichlorotris[[(ethylthio)methyl]trimethylsilane]-
• 54293-34-4
• C₁₈H₄₈Cl₃RhS₃Si₃
• .

• Reductase, riboflavin mononucleotide (reduced nicotinamide adenine dinucleotide phosphate)
• 56626-29-0
• C₂₆H₂₈Cl₂N₂
• 260-292-2
• 439.41992
• .

• Ruthenium, trichloro(methanol)bis(triphenylarsine)-
• 15692-70-3
• C₃₇H₃₄As₂Cl₃ORu
• .

• rhodium(3+) chloride - [3-{bis[3-(trifluoromethyl)phenyl]phosphanyl}-2-({bis[3-(trifluoromethyl)phenyl]phosphanyl}methyl)-2-methylpropyl]{bis[3-(trifluoromethyl)phenyl]}phosphane (1:3:1)
• 204906-23-0
• C₄₇H₃₃Cl₃F₁₈P₃Rh
• 1241.922
• .

• Ruthenium, tribromo(methanol)bis(triphenylarsine)-
• 15692-69-0
• C₃₇H₃₄As₂Br₃ORu
• .

• Rhodium, trichloro(triphenylphosphine)-
• 34869-29-9
• C₁₈H₁₅Cl₃PRh
• .

• Rhodium, chlorobis(tricyclohexylphosphine)-
• 63683-89-6
• C₃₆H₆₆ClP₂Rh
• .

• Ruthenium, tricarbonyldichloro(1-isocyano-4-methylbenzene)-
• 62524-50-9
• C₁₁H₇Cl₂NO₃Ru
• .

• Rhenium, tetrakis[(trimethylsilyl)methyl]-
• 62534-83-2
• C₁₆H₄₄ReSi₄
• .

• Rhenium, tetrakis(2,2-dimethylpropyl)-
• 62534-84-3
• C₂₀H₄₄Re
• .

• Ruthenium,bis(2-methyl-2-propanolato)(phenylmethylene)(tricyclohexylphosphine)-
• 321338-20-9
• C₃₃H₅₇O₂PRu
• .

• Ruthenium, dicarbonyldichlorobis(pyridine)-
• 15613-07-7
• C₁₂H₁₀Cl₂N₂O₂Ru
• .

• Ruthenium, bis(acetonitrile)dicarbonyldiiodo-
• 106118-49-4
• C₆H₆I₂N₂O₂Ru
• .

• rhodium(3+) perchlorate ammoniate hydrate (1:3:5:1)
• 15611-81-1
• H₁₇Cl₃N₅O₁₃Rh
• 504.4252
• .

• rac-1-O-tritylglycerol
• 18325-46-7
• C₂₂H₂₂O₃
• 334.41
• .

• Rhodium, dicarbonylchloro(3-methylbenzenamine)-
• 139559-38-9
• C₉H₉ClNO₂Rh
• .

• Ruthenium, dicarbonyl(dithio)bis(triphenylphosphine)-
• 64479-11-4
• C₃₈H₃₀O₂P₂RuS₂
• .

• Rhenium, tetramethyl-
• 62534-79-6
• C₄H₁₂Re
• .

• R-(+)-win 55,212-2 mesylate
• 134959-51-6
• C₂₇H₂₆N₂O₃
• 426.5069
• .

• Rubidium(1+), (acetic acid anhydride)-, acetate
• 64161-39-3
• C₄H₆O₃Rb·C₂H₃O₂
• .

• Rhodium, trichlorotris(triphenylphosphine)-
• 15709-81-6
• C₅₄H₄₅Cl₃P₃Rh
• .

• RO 9187
• 876708-03-1
• .

• RPR208707
• 209285-82-5
• .

• rac 4-(3-Aminobutyl)phenol
• 52846-75-0
• C10H15NO
• .

• R-1479
• 478182-28-4
• C9H12N6O5
• 284.23
• .

• Razaxaban
• 218298-21-6
• .

• Retaspimycin hydrochloride
• 857402-63-2
• C31H45N3O8·ClH
• .

• R7128
• 940908-79-2
• .

• Rabeximod
• 872178-65-9
• C22H24ClN5O
• .

• Rotigaptide
• 355151-12-1
• C₂₈H₃₉N₇O₉
• 617.65076
• .