• Rape oil, potassium salt
• 68201-56-9
• 269-226-7
• .

• Residues, butadiene recovery solvent regeneration
• 68333-21-1
• 269-776-8
• .

• Residues (petroleum), atmospheric
• 68333-22-2
• 269-777-3
• .

• Residues (petroleum), light naphtha solvent extracts
• 68333-29-9
• 269-785-7
• .

• Resin acids and Rosin acids, nickel salts
• 68334-36-1
• 269-826-9
• .

• Rhenium tantalum oxide
• 391593-45-6
• O.Re.Ta
• .

• Raffinates (petroleum), catalytic reformer ethylene glycol-water countercurrent exts.
• 68410-71-9
• 270-088-5
• .

• Residues (coal), solvent-refining (SRC) filtration
• 68410-72-0
• 270-089-0
• .

• Resins, fossil
• 68410-73-1
• 270-090-6
• .

• Resin acids and Rosin acids, compds. with diethanolamine
• 68410-74-2
• C₄H₁₁NO₂·
• 270-091-1
• .

• Rosin, distn. overheads
• 68425-08-1
• C₁₆H₂₉NaO₇S
• 270-333-6
• 388.45203
• .

• Resin acids and Rosin acids, magnesium salts
• 68440-56-2
• 270-461-2
• .

• RAS
• 67663-36-9
• Unspecified
• .

• Rhenium, trichlorobis(diethylphenylphosphine)oxo-
• 35788-74-0
• C₂₀H₃₀Cl₃OP₂Re
• .

• Rosin, fumarated
• 65997-04-8
• 266-040-8
• .

• Rhodium, bis(phenylethynyl)(trimethylstannyl)bis(triphenylphosphine)-
• 36179-65-4
• C₅₅H₄₉P₂RhSn
• .

• Rhodium selenide
• 66579-16-6
• Rh.Se
• .

• Rhodium, carbonylchlorobis(trimethylphosphine)-
• 36713-95-8
• C₇H₁₈ClOP₂Rh
• .

• Rhodium, carbonylchlorobis(dimethylphenylphosphine)-
• 36713-96-9
• C₁₇H₂₂ClOP₂Rh
• .

• Ruthenium, dichlorotris[tris(4-methylphenyl)phosphine]-
• 36733-05-8
• C₆₃H₆₃Cl₂P₃Ru
• .

• Rare earth metals, silicides
• 68476-89-1
• 270-706-3
• .

• Residues (petroleum), butane splitter bottoms
• 68478-12-6
• 270-791-7
• .

• Residues (petroleum), catalytic reformer fractionator residue distn.
• 68478-13-7
• 270-792-2
• .

• Residues (petroleum), caustic-treated vacuum distillate
• 68478-14-8
• 270-793-8
• .

• Residues (petroleum), C6-8 catalytic reformer
• 68478-15-9
• 270-794-3
• .

• Residual oils (petroleum), deisobutanizer tower
• 68478-16-0
• 270-795-9
• .

• Residues (petroleum), heavy coker gas oil and vacuum gas oil
• 68478-17-1
• 270-796-4
• .

• Residues (petroleum), heavy olefin vacuum
• 68478-18-2
• 270-798-5
• .

• Residual oils (petroleum), propene purifn. splitter
• 68478-19-3
• 270-799-0
• .

• Residues (petroleum), steam-cracked petroleum distillates cyclopentadiene conc., C4-cyclopentadiene-free
• 68478-20-6
• 270-800-4
• .

• rubidium(+1) cation dichloride
• 39356-55-3
• Cl₂Rb₂
• 156.3738
• .

• Residues (petroleum), heavy coker and light vacuum
• 68512-61-8
• 270-983-0
• .

• Residues (petroleum), light vacuum
• 68512-62-9
• 270-984-6
• .

• Resin acids and Rosin acids, esters with ethylene glycol
• 68512-65-2
• C₂H₆O₂·
• 270-986-7
• .

• Resinacidsandrosinacids,potassiumsodium salts
• 68512-67-4
• 270-987-2
• .

• Residues (petroleum), alkylation splitter, C4-rich
• 68513-66-6
• 271-010-2
• .

• Residues (petroleum), cyclooctadiene bottoms
• 68513-67-7
• 271-011-8
• .

• Residues (petroleum), deethanizer tower
• 68513-68-8
• 271-012-3
• .

• Residues (petroleum), steam-cracked light
• 68513-69-9
• 271-013-9
• .

• Rutile, lanthanum neodymium
• 68516-13-2
• 271-133-1
• .

• Rutile, neodymium
• 68516-14-3
• 271-134-7
• .

• Reten
• 39379-48-1
• Unspecified
• .

• Rubidium titanium sulfide
• 39409-75-1
• Unspecified
• .

• Resin acids and Rosin acids, titanium salts, reaction products with Douglas-fir balsams
• 68554-15-4
• 271-403-9
• .

• Residues (petroleum), topping plant, low-sulfur
• 68607-30-7
• 271-763-7
• .

• Resin acids and Rosin acids, calcium nickel salts
• 68607-31-8
• 271-764-2
• .

• Rosin, hydrogenated, reaction products with acetic acid and triethylenetetramine, benzylated
• 68607-40-9
• C₆H₁₈N₄·C₂H₄O₂·
• 271-765-8
• .

• Resin acids and Rosin acids, hydrogenated, esters with diethylene glycol
• 68648-51-1
• C₄H₁₀O₃·
• 271-994-3
• .

• Resin acids and Rosin acids, hydrogenated, esters with ethylene glycol
• 68648-52-2
• C₂H₆O₂·
• 271-995-9
• .

• Resin acids and Rosin acids, hydrogenated, esters with triethylene glycol
• 68648-53-3
• C₆H₁₄O₄·
• 271-996-4
• .