| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 95632-86-3 | Retinol,3,4-didehydro-, hexadecanoate (9CI); 3-Dehydroretinol,palmitate (6CI,7CI); 3,4-Didehydroretinol palmitate |  | C36H58O2 | 詳情 | 供應商 | |
| 22754-97-8 | Rubidium acetylide(Rb2(C2)) (8CI,9CI); Rubidiumcarbide |  | C2Rb2 | 詳情 | 供應商 | |
| 12136-85-5 | Rubidium nitride (Rb3N)(7CI,8CI,9CI) |  | NRb3 | 詳情 | 供應商 | |
| 631-87-8 | Retinol,15-octadecanoate; Retinol,octadecanoate (9CI); Retinol, stearate (7CI,8CI); Stearic acid, ester withretinol (6CI); Retinyl stearate; all-trans-Retinyl stearate |  | C38H64O2 | 詳情 | 供應商 | |
| 105396-31-4 | Rifamycin VIII,1',4-didehydro-1-deoxy-1,4-dihydro-1-oxo-5'-(1-pyrrolidinyl)- (9CI); 2,7-(Epoxypentadeca[1,11,13]trienimino)-13H-benzofuro[4,5-a]phenoxazine,rifamycin VIII deriv. |  | C47H55N3O12 | 詳情 | 供應商 | |
| 10031-23-9 | Radium bromide (RaBr2)(9CI); Radiumbromide (6CI,7CI,8CI) |  | Br2Ra | 詳情 | 供應商 | |
| 14391-29-8 | Rhenium, isotope ofmass 187; 187Re; Re187; Rhenium-187 |  | Re | 詳情 | 供應商 | |
| 25605-13-4 | Rhenium fluoride (ReF3)(8CI,9CI) |  | F3Re | 詳情 | 供應商 | |
| 72535-16-1 | Retinal, 7,8-dihydro-,9-cis-; 7,8-Dihydro-9-cis-retinal |  | C20H30O | 詳情 | 供應商 | |
| 51093-55-1 | Riboflavin,8-demethyl-8-(dimethylamino)-; Benzo[g]pteridine,riboflavin deriv.; 8-Dimethylaminoriboflavin; Roseoflavin; Roseoflavine |  | C18H23N5O6 | 詳情 | 供應商 | |
| 28956-72-1 | Riboflavin, a8,a8,a8-trifluoro- (9CI); Isoalloxazine,7-methyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-8-(trifluoromethyl)- (8CI); Benzo[g]pteridine, riboflavin deriv.; 10-D-Ribityl-7-methyl-8-trifluoromethylisoalloxazine; 7-Methyl-8-trifluoromethyl-10-(1'-D-ribityl)isoalloxazine |  | C17H17F3N4O6 | 詳情 | 供應商 | |
| 10043-92-2 | Radon; Alphatron; Radium emanation |  | Rn | 詳情 | 供應商 | |
| 14914-62-6 | Ruthenium, isotope ofmass 102; 102Ru; Ru102; Ruthenium-102 |  | Ru | 詳情 | 供應商 | |
| 105231-41-2 | Relaxin (Squalusacanthias-B reduced) (9CI); L-Tryptophan,5-oxo-L-prolyl-L-seryl-L-phenylalanyl-L-lysyl-L-asparaginyl-L-alanyl-L-a-glutamyl-L-prolylglycyl-L-isoleucyl-L-lysyl-L-leucyl-L-cysteinylglycyl-L-arginyl-L-a-glutamyl-L-phenylalanyl-L-isoleucyl-L-arginyl-L-alanyl-L-valyl-L-isoleucyl-L-tyrosyl-L-threonyl-L-cysteinylglycylglycyl-L-seryl-L-arginyl- |  | C151H233N43O41S2 | 詳情 | 供應商 | |
| 68038-41-5 | Rosin,maleated, polymer with glycerol; Rosin,maleated, esters with glycerol |  | 詳情 | 供應商 | ||
| 5720-12-7 | Riboflavin,7,8-didemethyl-7,8-diethyl- (9CI); Isoalloxazine,7,8-diethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)- (6CI,7CI,8CI); Benzo[g]pteridine, riboflavin deriv.; 7,8-Diethyl-10-(1'-D-ribityl)isoalloxazine; NCI 0036314; NSC 36314 |  | C19H24N4O6 | 詳情 | 供應商 | |
| 79965-10-9 | Retinamide,N-(4-methoxyphenyl)-; N-(4-Methoxyphenyl)-all-trans-retinamide; N-(4-Methoxyphenyl)retinamide; N-(p-Methoxyphenyl)retinamide |  | C27H35NO2 | 詳情 | 供應商 | |
| 40778-16-3 | R 31805; 2-(dimethylamino)-5,6-dimethyl-1H-pyrimidin-4-one; ddhp; 4,5-DIMETHYL-2-(DIMETHYLAMINO)-6-HYDROXYPYRIMIDINE; 2-(dimethylamino)-5,6-dimethylpyrimidin-4-ol; 2-dimethylamino-4-hydroxy-5，6-dimetyhl pyrimidine |  | C8H13N3O | 詳情 | 供應商 | |
| 53859-19-1 | Retinol, 15-(dihydrogenphosphate); Retinol,dihydrogen phosphate (9CI); Retinol phosphate; Retinyl phosphate |  | C20H31O4P | 詳情 | 供應商 | |
| 12038-64-1 | Rhenium selenide(ReSe2); NSC 378345; Rhenium diselenide |  | ReSe2 | 詳情 | 供應商 | |