• Retigeric acid A
• 35591-41-4
• C₃₀H₄₈O₄
• 472.70
• .

• RISTOCETIN SULFATE SALT
• 11140-99-1
• C₉₅H₁₁₂N₈O₄₈S
• 1871.74036
• .

• RNA formation factor(human herpesvirus 6 strain GS clone pB701 reduced) (9CI)
• 146209-94-1
• 0
• .

• Riboflavin5'-(trihydrogen diphosphate), P'®5'-ester with inosine (9CI)
• 2466-56-0
• C27H32 N8 O16 P2
• 389.7849
• .

• Ribonucleoprotein cp29A (Nicotiana sylvestris clone lNS29AC 23.5-kilodalton precursor reduced) (9CI)
• 146704-55-4
• 0
• .

• Residues (petroleum),vacuum, hydrocracked, naphtha fraction
• 129893-11-4
• 0
• .

• Rhodium, bis(h2-ethene)(2,2,6,6-tetramethyl-3,5-heptanedionato-kO,kO')- (9CI)
• 64466-15-5
• C15H27 O2 Rh
• 167.203343
• .

• RNA (Saccharomycescerevisiae valine-specific tRNA 1) (9CI)
• 12585-23-8
• 235-705-4
• .

• RNA formation factor(mouse clone 11R5/11 gene ALF1 isoform A reduced) (9CI)
• 147627-01-8
• C₂₈H₃₅NO₉S₃
• 625.7738
• .

• Roesslerite(Mg(HAsO4).7H2O) (9CI)
• 1319-39-7
• AsH3 O4 . 7 H2 O . Mg
• .

• Rifamycin VIII,1',4-didehydro-1-deoxy-5'-(4-formyl-1-piperazinyl)-1,4-dihydro-3'-hydroxy-1-oxo-(9CI)
• 148235-98-7
• C48H56 N4 O14
• 912.9766
• .

• Rifamycin,3-[(dioctylhydrazono)methyl]- (9CI)
• 52474-42-7
• C54H81 N3 O12
• 0
• .

• Restolux SP 4 (9CI)
• 150825-88-0
• 0
• .

• Retinoic acid,5,6-epoxy-5,6-dihydro-, b-D-glucopyranuronosyl ester (9CI)
• 81164-05-8
• C26H36 O9
• 0
• .

• Ristomycin A aglycone,5,22,31,55-tetrachloro-7-demethyl-64-O-demethyl-56-O-[2-deoxy-2-[(9-methyl-1-oxodecyl)amino]-b-D-glucopyranosyl]-42-O-a-D-mannopyranosyl-N15-methyl-(9CI)
• 103528-49-0
• C82H86 Cl4 N8 O29
• 0
• .

• Ribonic acid, g-lactone
• 3327-63-7
• C5H8 O5
• 0
• .

• Rifamycin,3-[[[4-(2-methylpropyl)-1-piperazinyl]imino]methyl]-
• 89499-17-2
• C₄₆H₆₄N₄O₁₂
• 865.02
• .

• Rifamycin,3-[[(3-methyl-2(3H)-benzothiazolylidene)hydrazono]methyl]- (9CI)
• 78768-62-4
• C46H54 N4 O12 S
• 0
• .

• Ruthenium, di-m-chlorotetrachlorobis(ethylenediamine)di-(8CI)
• 15406-25-4
• C4H16 Cl6 N4 Ru2
• 533.0388
• .

• Retinol, 2-amino-1,6,6a,7,8,9a-hexahydro-7-hydroxy-8-(hydroxymethyl)-, (6aS-(6aalpha,7alpha,8beta,9aalpha))-
• 100216-56-6
• C₅₈H₆₃I₃O₁₁
• 0
• .

• RP 9971 (9CI)
• 102646-80-0
• C36H57 N O14
• .

• Residues, tungstenmanufg. solvent extn.
• 102110-54-3
• 310-056-0
• .

• Rape oil, polymd.,oxidized, partially sapond.
• 125328-65-6
• .

• Riboflavin, 6-mercapto-(9CI)
• 101760-88-7
• C17H20 N4 O6 S
• 0
• .

• Rifamycin VIII,1',4-didehydro-1-deoxy-5'-(dimethylamino)-1,4-dihydro-1-oxo- (9CI)
• 105396-14-3
• C45H53 N3 O12
• 827.9152
• .

• Riboflavin, 3-methyl-
• 28721-76-8
• C18H22 N4 O6
• 0
• .

• Raffinates (petroleum),asphaltene-low vacuum residues
• 164907-77-1
• .

• Retinoic acid, 5'-esterwith 3'-azido-3'-deoxythymidine (9CI)
• 125780-97-4
• C30H39 N5 O5
• 549.6612
• .

• RNA formation factor IkB-g (mouse clone pA5c70 reduced) (9CI)
• 147257-52-1
• 0
• .

• Rosin, polymd.,sulfurized
• 119748-31-1
• .

• Rhodium, tetrakis[m-(2,2,3,3,4,4,4-heptafluorobutanoato-kO:kO')]di-, (Rh-Rh)
• 73755-28-9
• C16F28 O8 Rh2
• 1057.93
• .

• Ro 7-2431/1 (9CI)
• 102583-53-9
• .

• Rosin, maleated,polymer with branched 4-nonylphenol, formaldehyde and pentaerythritol
• 185765-80-4
• 0
• .

• Rue, ext.
• 84929-47-5
• 284-531-5
• 0
• .

• Ruthenium,trichloro(1H-imidazole-N3)bis[sulfinylbis[methane]-O]-, (OC-6-31)- (9CI)
• 141624-71-7
• C7H16 Cl3 N2 O2 Ru S2
• 0
• .

• RNA formation factorTEF (rat clone pBKS-TEF3.1/pBKS-TEF0.9 reduced) (9CI)
• 144351-03-1
• 0
• .

• retro-Fibrinopeptide A(human) (9CI)
• 10018-02-7
• C63H97 N19 O26
• .

• Rhodium, [(2,3,5,6-h)-bicyclo[2.2.1]hepta-2,5-diene](2,4-pentanedionato-kO2,kO4)-
• 32354-50-0
• C12H15 O2 Rh
• 294.15
• .

• Rhenate (ReO41-),cesium, (T-4)- (9CI)
• 13768-49-5
• Cs. O4 Re
• 0
• .

• Relaxin (Balaenopteraedeni) (9CI)
• 119370-85-3
• C258H429 N79 O76 S7
• .

• Rapamycin,42-deoxy-42-(1H-tetrazol-1-yl)-, (42S)-
• 221877-54-9
• C52H79 N5 O12
• 0
• .

• Ristomycin A
• 11021-66-2
• C95H110 N8 O44
• 0
• .

• Residues (petroleum),distn. residue hydrogenation
• 100684-39-7
• 309-712-9
• .

• Rose, Rosa centifolia,ext.
• 84604-12-6
• 283-289-8
• 0
• .

• Relaxin (porpoise)(9CI)
• 140880-58-6
• C257H423 N81 O74 S7
• .

• Residues (petroleum),vacuum, asphaltene-low
• 164907-79-3
• .

• Ristomycin A,2C-O-de[O-b-D-arabinopyranosyl-(1®2)-O-a-D-mannopyranosyl-(1®2)]-
• 1405-59-0
• C84H92 N8 O35
• 0
• .

• Ranatensin,2-de-L-valine-3-de-L-proline-4-L-glutamic acid-, methyl ester (9CI)
• 64563-33-3
• C52H69 N13 O12 S
• 0
• .

• Resyn 25-2211
• 25190-97-0
• C₉H₁₄O₄
• 186.20506
• .

• Receptor,benzodiazepine (cattle clone pcD-PBR/IBP) (9CI)
• 141440-82-6
• 0
• .