• Rhodium(1+),dichlorotetrakis(methanamine)-, chloride, (OC-6-12)- (9CI)
• 20332-39-2
• C4H20 Cl2 N4 Rh . Cl
• 294.0103
• .

• Reolube HYD 46 (9CI)
• 107028-44-4
• Unspecified
• 0
• .

• Rhubarb, Rheumaustrale, ext.
• 90106-25-5
• 290-247-2
• .

• Rose, Rosa damascena,ext.
• 90106-38-0
• 290-260-3
• 0
• .

• Rosin oil, sulfonated,sodium salt
• 70750-49-1
• .

• Raffinates (petroleum),steam-cracked C4 fraction cuprous ammonium acetate extn., C3-5 and C3-5unsatd., butadiene-free
• 97722-19-5
• 307-769-4
• .

• Rose, Rosa damascenaalba, ext.
• 98306-04-8
• 308-772-3
• .

• Residues (coal),liquefaction filtered
• 92061-89-7
• 295-502-1
• .

• Rhenium fluoride oxide(ReF4O) (8CI,9CI)
• 17026-29-8
• F4O Re
• 278.200
• .

• Ruthenium,dinitrosyltetrakis[m-(2,2,2-trifluoroacetato-kO:kO')]di-, (Ru-Ru)
• 113662-26-3
• C8F12 N2 O10 Ru2
• 212.02883
• .

• Ruthenium oxide (RuO3)(6CI,7CI,8CI,9CI)
• 12036-36-1
• O3Ru
• 212.9467
• .

• RNA formation factor(Aspergillus nidulans clone bs44/bs311 gene nirA reduced) (9CI)
• 144590-66-9
• 0
• .

• Residues, zinc Larvik,secondary
• 69012-47-1
• 273-745-4
• .

• Ranaconitine
• 1360-76-5
• C₃₂H₄₄N₂O₉
• 0
• .

• Rifamycin,3-(aminomethyl)- (9CI)
• 62921-32-8
• C38H50 N2 O12
• 726.8098
• .

• Rhenium iodide oxide(ReIO3), (T-4)- (9CI)
• 39327-80-5
• IO3 Re
• 362.1176
• .

• Regopar (9CI)
• 110445-23-3
• 0
• .

• Ruthenium fluoride(RuF5) (6CI,7CI,9CI)
• 14521-18-7
• F5Ru
• 238-533-8
• 196.062016
• .

• Riboflavin,5'-O-D-galactopyranosyl- (9CI)
• 41903-68-8
• C23H30 N4 O11
• .

• R 848
• 144875-48-9
• C₁₇H₂₂N₄O₂
• 314.3822
• .

• Ricin (castor-oil plant B-chain protein moiety reduced)
• 96638-29-8
• 0
• .

• Racemomycin O (6CI,9CI)
• 102417-99-2
• C25H44 N8 O10
• .

• Rifamycin XII,1',2'-didehydro-2'-(2-furanyl)-2',3'-dihydro-3'-phenyl- (9CI)
• 66780-94-7
• C48H53 N3 O12
• 863.9473
• .

• RNA (Escherichia colistrain CAJ64 tryptophan-specific tRNA) (9CI)
• 12585-22-7
• 235-704-9
• .

• Rhodium,(isooctylthio)acetate complexes
• 90552-47-9
• 292-171-5
• .

• Relaxin (baboonB-reduced) (9CI)
• 161099-62-3
• C156H270 N48 O44 S3
• .

• Ruthenium(2+),pentaamminebromo-, dibromide, (OC-6-22)- (9CI)
• 16446-65-4
• BrH15 N5 Ru . 2 Br
• 261.0896
• .

• Rhatannin
• 80456-02-6
• 0
• .

• Rhodium, tri-m-carbonylnonacarbonyltetra-,tetrahedro
• 19584-30-6
• C12O12 Rh4
• 243-171-9
• 747.74
• .

• Rhubarb, Rheumalexandrae, ext
• 97435-15-9
• 306-896-2
• .

• Rhodium(1+),bis(2,2'-bipyridine-kN1,kN1')dichloro-, chloride (9CI)
• 14551-15-6
• C20H16 Cl2 N4 Rh . Cl
• 521.6323
• .

• Rocella tinctoria, ext.
• 93028-69-4
• 296-762-9
• .

• Residues, carbonblack-ethylene manufg. pyrolysis pitch carbonization
• 100403-62-1
• 309-608-3
• .

• RS 49910 (9CI)
• 87090-27-5
• .

• Rubus rosaceus, ext.
• 97435-18-2
• 306-899-9
• .

• Rongeron (9CI)
• 99403-02-8
• .

• Rhodium(1+),dichlorotetrakis(nicotinic acid)-, chloride, trans- (8CI)
• 25857-56-1
• C24H16 Cl2 N4 O8 Rh . Cl . 4 H
• 682.3783
• .

• Rhamnus alpina, ext.
• 90106-17-5
• 290-238-3
• .

• Rifamycin,N,15-didehydro-15-deoxo-3,15-[methylene(methylimino)]- (9CI)
• 62921-36-2
• C39H50 N2 O11
• 722.8211
• .

• RUP 962 (9CI)
• 69865-60-7
• .

• R 33711 (9CI)
• 61840-12-8
• C29H39 F2 N3 O
• .

• Ribonucleic acids,transfer, valine-specific 1, Escherichia coli
• 91081-45-7
• 293-650-1
• .

• Residues,cobalt-refining
• 124222-15-7
• 0
• .

• Reductase, acetyl-g-glutamyl phosphate
• 37251-00-6
• .

• Reductase,3-oxoacyl-[acyl carrier protein]
• 37250-34-3
• .

• Rifamycin VIII,5'-[4-(3-butenyl)-1-piperazinyl]-1',4-didehydro-1-deoxy-1,4-dihydro-3'-hydroxy-1-oxo-(9CI)
• 129791-98-6
• C51H62 N4 O13
• 939.057
• .

• Ribomycin (9CI)
• 12648-58-7
• .

• Rosin, polymer with diethylene glycol, maleic anhydride, tall-oil rosin and triethylene glycol
• 90091-77-3
• (C6H14O4·C4H10O3·C4H2O3·W99·W99)x
• 0
• .

• Ruthenium,bis(2,2'-bipyrazine-kN1,kN1')dichloro-, (OC-6-22)-
• 80907-59-1
• C16H12 Cl2 N8 Ru
• 488.2961
• .

• RP 33091 (9CI)
• 73905-23-4
• .