• R 02-5328A
• 63527-53-7
• C₁₆H₁₇N₅O₇S₂
• 455.46548
• .

• Reacna Brilliant Orange T 2R
• 63513-66-6
• .

• Repandin C
• 71138-44-8
• .

• Rosin, sodium salt
• 9010-59-7
• .

• Rosin, polymer with bisphenol A, glycerol and tung oil
• 71076-93-2
• .

• Reductase,chlorate
• 60382-73-2
• .

• Rosin, bisphenol A, formaldehyde, glycerin, tung oil, bodied linseed oil, mineral spirits polymer
• 67774-67-8
• .

• Rosin, polymer with castor oil, copals and glycerol
• 67746-19-4
• .

• Rosin alcohol, ethoxylated
• 61791-18-2
• .

• Rhodium, [bis[3- (diphenylphosphino)propyl]phenylphosphine-P,P, P]chloro-, (SP-4-3)-
• 34964-03-9
• .

• Rosin, polymer with isoprene, phenol and urea
• 70984-06-4
• .

• r-L-Guloseptanose
• 41847-32-9
• .

• r-L-Altroseptanose
• 41847-16-9
• .

• r-L-Glucofuranose
• 41846-86-0
• .

• r-L-Glucoseptanose
• 41846-84-8
• .

• r-Keto acid carboxylase
• 9001-04-1
• .

• Rosin, fumarated, polymers with acrylic acid and glycerol
• 75783-25-4
• .

• Rosin, polymer with formaldehyde, maleic anhydride, phenol and tungoil
• 68918-24-1
• .

• r-Amiradienol
• 41753-44-0
• .

• Ro 8-9372
• 84907-31-3
• .

• RO-0098557
• 497235-79-7
• .

• Rhodopas ACVX
• 49692-50-4
• .

• RU 22479
• 60023-96-3
• .

• Ro 12-5275
• 71006-80-9
• .

• Rare earth metals slag
• 70984-08-6
• .

• R 26945
• 70974-86-6
• .

• Rosin, polymer with p-tert-butylphenol, formaldehyde, glycerol, maleic anhydride, pentaerythritol, phthalic anhydride and tall oil
• 68554-31-4
• .

• Rosin, maleated, polymer with propylene glycol, ammonium salt
• 68554-25-6
• .

• Rosin, maleated, polymer with pentaerythritol and phenol
• 68554-24-5
• .

• Rosin, fumarated maleated
• 68554-16-5
• .

• Rosin, methyl abietate, mixed fish oil polymer
• 68553-65-1
• .

• Ro 5-2667
• 34755-52-7
• .

• RU 5099
• 34681-76-0
• .

• Ritterazine Q
• 184971-69-5
• .

• Ritterazine O
• 184971-68-4
• .

• Recombinant ciliary neurotrophic factor, human
• 416839-88-8
• .

• Rosin, polymerized rosin, maleic anhydride, p-tert-butylphenol, formaldehyde, glycerin, tripentaerythritol polymer
• 70955-44-1
• .

• r-Naltrexamine
• 84774-95-8
• .

• r-Chlornaltrexamine
• 84774-94-7
• .

• R 34994
• 61380-39-0
• .

• Rosin, pentaerythritol, maleic anhydride, tall oil fatty acid, polymerized linseed oil polymer
• 68552-88-5
• .

• Ro 21-0960
• 57124-11-5
• .

• r-Dicarvelane
• 18457-38-0
• .

• Ruthenium,dichloro[(dicyclohexylamino)(2,4,6-trimethylphenoxy)methylene](phenylmethylene)(tricyclohexylphosphine)-
• 656811-12-0
• C₄₇H₇₂Cl₂NOPRu
• .

• Ruthenium vanadium sulfide
• 657390-32-4
• Ru.S.V
• .

• Rhenium(1+), tribromotricarbonyl-
• 626233-74-7
• C₃Br₃O₃Re
• .

• Rhus aromatica, ext.
• 84604-11-5
• 283-288-2
• .

• Rhubarb, Rheum officinale, ext.
• 84650-56-6
• 283-516-0
• .

• Roselle, ext.
• 84775-96-2
• 283-920-7
• .

• Resin acids and Rosin acids, esters with trimethylolpropane
• 84776-83-0
• 284-009-7
• .