• Riboflavin,8-amino-8-demethyl-
• 5178-05-2
• C16H19 N5 O6
• 0
• .

• Rhodium,triamminetrichloro-, (OC-6-22)-
• 26566-80-3
• Cl3H9 N3 Rh
• 247-809-7
• 260.3561
• .

• Ruthenocene-103Ru,[[(carboxymethyl)amino]carbonyl]- (9CI)
• 88228-58-4
• C13H13 N O3 Ru
• 0
• .

• Residual oils(petroleum), solvent-dewaxed
• 64742-62-7
• 265-166-0
• .

• RNA formation factor(Candida glabrata clone pAMT1 gene AMT1 reduced) (9CI)
• 141490-28-0
• 0
• .

• Riboflavin5'-(trihydrogen diphosphate), P'®5'-ester with 3'-adenylic acid (9CI)
• 38716-27-7
• C27H34 N9 O18 P3
• 0
• .

• Rubidium, isotope ofmass 103
• 22438-27-3
• Rb
• 85.4678
• .

• Residues (petroleum),hydrocracked
• 64741-75-9
• 265-076-1
• .

• Ricinoleamidopropyltrimonium methosulfate
• 85508-38-9
• C25H52N2O6S
• 287-462-9
• 508.75518
• .

• RNA formation factorRL/IF-1 (rat regenerating liver inhibiting reduced) (9CI)
• 147095-03-2
• 0
• .

• Rhodexman (9CI)
• 80803-88-9
• C₁₀H₁₁ClN₂
• 0
• .

• Ristomycin A aglycone,34-O-[2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-22,31-dichloro-38-de(methoxycarbonyl)-7-demethyl-19-deoxy-56-O-[2-deoxy-2-[(8-methyl-1-oxononyl)amino]-b-D-glucopyranosyl]-38-[[[3-(dimethylamino)propyl]amino]carbonyl]-42-O-a-D-mannopyranosyl- (9CI)
• 122173-74-4
• C93H109 Cl2 N11 O32
• 0
• .

• RNA formation factorMBP 2 (human reduced) (9CI)
• 148770-78-9
• 0
• .

• Refractories, fibers,aluminosilicate
• 142844-00-6
• C₃HCl₂F₅
• 0
• .

• RNA formation factorPML 1 (human clone 124 reduced) (9CI)
• 143220-95-5
• 0
• .

• Right-on (9CI)
• 120528-68-9
• 0
• .

• Rennin B
• 121036-43-9
• .

• Rhodium, di-m-chlorobis[(1,2,5,6-h)-1,5-hexadiene]di-
• 32965-49-4
• C12H20 Cl2 Rh2
• 441
• .

• Ruthenium(3+),pentaammine(pyridine)-, trichloride, (OC-6-22)- (9CI)
• 80584-12-9
• C5H20 N6 Ru . 3 Cl
• 0
• .

• Radium bromide (RaBr2)(9CI)
• 10031-23-9
• Br2Ra
• 233-086-5
• 0
• .

• RNA formation factor(Streptomyces glaucescens clone pWHM629/pWHM130 gene tcmR) (9CI)
• 147415-87-0
• 0
• .

• Riboflavin5'-(dihydrogen phosphate), sodium salt (8CI,9CI)
• 22251-85-0
• C17H21 N4 O9 P . x Na
• 244-868-0
• 478.325631
• .

• RNA formation factor(Alcaligenes eutrophus clone pAECR4 gene cfxR) (9CI)
• 145173-15-5
• 0
• .

• Roma PWA 40
• 9069-80-1
• 0
• .

• RNA formation factor(Escherichia coli gene oxyR reduced) (9CI)
• 125123-14-0
• 0
• .

• Retinol, 13-cis-
• 2052-63-3
• C₂₀H₃₀O
• 286.4516
• .

• Rosin, polymer with formaldehyde, glycerol, octylphenol and polymdrosin
• 70955-45-2
• (C14H22O·C3H8O3·CH2O·W99)x
• 0
• .

• Rifamycin,4-[(aminoiminomethyl)hydrazono]-1,4-dideoxy-1,4-dihydro-1-oxo- (9CI)
• 30788-99-9
• C38H49 N5 O11
• .

• Ruthenium, ion (Ru3+)
• 22541-88-4
• Ru
• 101.0684
• .

• retro-Gramicidin S(8CI,9CI)
• 22140-73-4
• C60H92 N12 O10
• 0
• .

• RNA formation factor(Saccharomyces cerevisiae clone pCT21 gene SRB2 reduced) (9CI)
• 147706-77-2
• 0
• .

• Reductase,pyrroline-5-carboxylate (Saccharomyces cerevisiae clone pTB1 gene PRO3 subunitreduced) (9CI)
• 147338-83-8
• 0
• .

• Ruthenium,[[2-[[bis[3-(trifluoromethyl)phenyl]phosphino-kP]methyl]-2-methyl-1,3-propanediyl]bis[bis[3-(trifluoromethyl)phenyl]phosphine-kP]](trifluoroacetato-kO)(trifluoroacetato-kO,kO')-, (OC-6-32)- (9CI)
• 249631-03-6
• C51H33 F24 O4 P3 Ru
• 1359.7583
• .

• RFCNU
• 55102-44-8
• C₁₈H₂₁ClN₄O₉
• 472.88
• .

• Repressor (Neisseriagonorrhoeae clone pWP2 gene mtrR reduced) (9CI)
• 155359-99-2
• 0
• .

• Rhodium, tetrakis[m-(acetato-O:O')]bis(1-methyladenosine-N7)di-,(Rh-Rh), monohydrate (9CI)
• 137021-41-1
• C30H42 N10 O16 Rh2 . H2 O
• 0
• .

• RNA formation factorSCIP (rat reduced) (9CI)
• 132052-52-9
• 0
• .

• Rhodium, ion (Rh2+)
• 22541-60-2
• Rh
• 102.9044
• .

• Retinol, 15-propanoate
• 7069-42-3
• C23H34 O2
• 230-363-2
• 342.51
• .

• RC-Prep (9CI)
• 71812-50-5
• 0
• .

• RNA formation factorIkaros (mouse reduced) (9CI)
• 148971-36-2
• 0
• .

• Repressor (Bacillusmegaterium clone pGS100 gene bm3R1 reduced) (9CI)
• 146834-21-1
• 0
• .

• Rifamycin VIII,1',4-didehydro-1-deoxy-5'-(dimethylamino)-1,4-dihydro-3'-hydroxy-1-oxo- (9CI)
• 148235-90-9
• C45H53 N3 O13
• 843.9146
• .

• Residues (petroleum),thermal cracked
• 64741-80-6
• 265-081-9
• .

• Rubidium tantalate
• 12333-74-3
• O₃RbTa
• 235-594-2
• 628.83
• .

• Roseothricin A(8CI,9CI)
• 1405-22-7
• .

• ruthenium(+3) cation; 1H-1,2,4-triazole; tetrachloride
• 110649-85-9
• C₆H₉Cl₄N₉Ru-
• 0
• .

• Rhenium, isotope ofmass 187
• 14391-29-8
• Re
• 0
• .

• RNA formation factorRSRF (human clone lRSRFC4 reduced) (9CI)
• 145892-41-7
• 0
• .

• Retinamide, N-butyl-(8CI,9CI)
• 33631-44-6
• C24H37 N O
• 0
• .