radish isothiocyanate
 CAS: 505-79-3  EC: 208-020-3  FEMA: 3312  JECFA: 1564  FLAVIS: 12.030
Use(s): flavoring agents
 raspberry ketone
 CAS: 5471-51-2  EC: 226-806-4  FEMA: 2588  JECFA: 728  FLAVIS: 07.055
Use(s): cosmetic, flavor and fragrance agents
 raspberry ketone methyl ether
 CAS: 104-20-1  EC: 203-184-2  FEMA: 2672  JECFA: 818  FLAVIS: 07.029
Use(s): flavor and fragrance agents
 raubasine
 CAS: 483-04-5  EC: 207-589-5
Use(s): pharmaceuticals / chemical synthisis
 rauhimbine
 CAS: 66634-44-4  EC: 266-430-8
Use(s): natural substances and extractives
 rauwolscine hydrochloride
 CAS: 6211-32-1  EC: 228-279-6
Use(s): natural substances and extractives
 rebaudioside A
 CAS: 58543-16-1  FEMA: 4601  FLAVIS: 16.113
Use(s): sweeteners, flavor enhancers
 rebaudioside C
 CAS: 63550-99-2  FEMA: 4720
Use(s): sweeteners, flavor enhancers
 rebaudioside D
 CAS: 63279-13-0
Use(s): sweeteners, flavor enhancers
 rehmannic acid
 CAS: 467-81-2
Use(s): natural substances and extractives
 reserpic acid hydrochloride
 CAS: 1910-70-9
Use(s): natural substances and extractives
 resokaempferol
 CAS: 2034-65-3
Use(s): natural substances and extractives
 resveratrol
 CAS: 501-36-0
Use(s): cosmetic agents
all-(E)-retinoic acid
 CAS: 302-79-4  EC: 206-129-0
Use(s): pharmaceuticals / chemical synthisis
 retrorsine
 CAS: 480-54-6
Use(s): natural substances and extractives
 rhamnazin
 CAS: 552-54-5
Use(s): natural substances and extractives
 rhamnetin
 CAS: 90-19-7  EC: 201-974-1
Use(s): natural substances and extractives
isorhamnetin
 CAS: 480-19-3  EC: 207-545-5
Use(s): cosmetic agents
isorhamnetin-3-O-glucoside
 CAS: 5041-82-7
Use(s): natural substances and extractives
laevo-rhamnose
 CAS: 3615-41-6  EC: 222-793-4  FEMA: 3730
Use(s): sweeteners, flavor enhancers
 rhapontin
 CAS: 155-58-8  EC: 205-845-0
Use(s): natural substances and extractives
 rhodinol
 CAS: 141-25-3  EC: 205-473-9  FEMA: 2980
Use(s): flavor and fragrance agents
(S)-rhodinol
 CAS: 6812-78-8  EC: 229-887-4  FEMA: 2980  JECFA: 1222  FLAVIS: 02.027
Use(s): flavor and fragrance agents
 rhodinyl acetate
 CAS: 141-11-7  EC: 205-458-7  FEMA: 2981  JECFA: 60  FLAVIS: 09.033
Use(s): flavor and fragrance agents
 rhodinyl butyrate
 CAS: 141-15-1  EC: 205-462-9  FEMA: 2982  JECFA: 68  FLAVIS: 09.927
Use(s): flavor and fragrance agents
 rhodinyl isobutyrate
 CAS: 138-23-8  EC: 205-318-5  FEMA: 2983  JECFA: 74  FLAVIS: 09.940
Use(s): flavor and fragrance agents
 rhodinyl formate
 CAS: 141-09-3  EC: 205-456-6  FEMA: 2984  JECFA: 56  FLAVIS: 09.079
Use(s): flavor and fragrance agents
 rhododendrol
 CAS: 69617-84-1  EC: 274-056-1
Use(s): cosmetic ingredient for skin conditioning
 rhodopseudomonas
 Use(s): bleaching, skin conditioning
 rhoeadine
 CAS: 2718-25-4
Use(s): pharmaceuticals / chemical synthisis
 rhoifolin
 CAS: 17306-46-6  EC: 241-335-4
Use(s): natural substances and extractives
isorhoifolin
 CAS: 552-57-8  EC: 209-015-9
Use(s): natural substances and extractives
 rhyncophylline
 CAS: 76-66-4
Use(s): natural substances and extractives
(-)-riboflavin
 CAS: 83-88-5  EC: 201-507-1
Use(s): nutrient supplements
 riboflavin 5'-phosphate
 CAS: 146-17-8  EC: 205-664-7
Use(s): nutrient supplements
dextro-ribose
 CAS: 50-69-1  EC: 200-059-4  FEMA: 3793
Use(s): sweeteners, flavor enhancers
 ricinoleic acid
 CAS: 141-22-0  EC: 205-470-2
Use(s): emollients, emulsifiers, surfactants
 ricinoleic acid + linoleic acid + oleic acid
   FEMA: 4804
Use(s): flavoring agents
 rimuene
 CAS: 1686-67-5
Use(s): natural substances and extractives
 RNA
 CAS: 63231-63-0
Use(s): cosmetic ingredient for skin conditioning
 robinetin
 CAS: 490-31-3  EC: 207-709-6
Use(s): natural substances and extractives
 robinetinidin chloride
 CAS: 3020-09-5
Use(s): natural substances and extractives
 robinin
 CAS: 301-19-9  EC: 206-113-3
Use(s): natural substances and extractives
 robustic acid
 CAS: 5307-59-5
Use(s): natural substances and extractives
 rosacyanthin
 Use(s): fragrance agents
 rose butanoate
 CAS: 24817-51-4  EC: 246-476-5  FEMA: 3632  JECFA: 993  FLAVIS: 09.538
Use(s): flavor and fragrance agents
 rosefuran
 CAS: 15186-51-3  FEMA: 4174  JECFA: 1494  FLAVIS: 13.148
Use(s): flavor and fragrance agents
 rose furan epoxide
 CAS: 92356-06-4
Use(s): flavor and fragrance agents
(-)-(E)-rose oxide
 CAS: 5258-11-7
Use(s): flavor and fragrance agents
(E)-rose oxide
 CAS: 4610-11-1  EC: 225-017-2
Use(s): fragrance agents
(Z)-rose oxide
 CAS: 16409-43-1  EC: 240-457-5  FEMA: 3236  JECFA: 1237  FLAVIS: 13.037
Use(s): flavor and fragrance agents
laevo-rose oxide
 CAS: 3033-23-6  EC: 221-217-9  FEMA: 3236  FLAVIS: 13.170
Use(s): flavor and fragrance agents
 rose petal acetate
 CAS: 50816-18-7  EC: 256-784-1
Use(s): fragrance agents
 rosmarinic acid
 CAS: 20283-92-5
Use(s): cosmetic agents
 ruberythric acid
 CAS: 152-84-1  EC: 205-808-9
Use(s): natural substances and extractives
 rubiadin 1-methyl ether
 CAS: 7460-43-7
Use(s): natural substances and extractives
 rubusoside
 CAS: 64849-39-4
Use(s): humectants, skin conditioning
 rum ether
 CAS: 8030-89-5  EC: 232-449-5  FEMA: 2996
Use(s): flavor and fragrance agents
 ruscogenin
 CAS: 472-11-7  EC: 207-447-2
Use(s): cosmetic ingredient for skin conditioning
neoruscogenin
 CAS: 17676-33-4  EC: 241-660-1
Use(s): cosmetic ingredient for skin conditioning
 rutin
 CAS: 153-18-4  EC: 205-814-1
Use(s): special dietary and nutritional additives
 rutinose
 CAS: 90-74-4  EC: 202-014-4
Use(s): natural substances and extractives
 rutinose heptaacetate
 CAS: 29202-64-0  EC: 226-037-4
Use(s): natural substances and extractives