water
 CAS: 7732-18-5  EC: 231-791-2
Use(s): cosmetic, flavor and fragrance agents
 whiskey lactone
 CAS: 39212-23-2  EC: 254-357-4  FEMA: 3803  JECFA: 437  FLAVIS: 10.053
Use(s): flavor and fragrance agents
 widdrol
 CAS: 6892-80-4
Use(s): natural substances and extractives
 wine lactone
 CAS: 182699-77-0
Use(s): flavor and fragrance agents
 wine lactone
 CAS: 57743-63-2  FEMA: 4140  FLAVIS: 10.057
Use(s): flavor and fragrance agents
 wogonin
 CAS: 632-85-9
Use(s): natural substances and extractives
norwogonin
 CAS: 4443-09-8
Use(s): natural substances and extractives
 woodrosin I
 CAS: 156057-51-1
Use(s): information only not used for fragrances or flavors
 woodrosin II
 CAS: 156057-52-2
Use(s): information only not used for fragrances or flavors
 xanthalin
 CAS: 21800-48-6
Use(s): natural substances and extractives
 xanthine
 CAS: 69-89-6  EC: 200-718-6
Use(s): cosmetic ingredient for skin conditioning
 xanthoangelol
 CAS: 62949-76-2
Use(s): natural substances and extractives
 xanthoangelol B
 CAS: 132998-81-3
Use(s): natural substances and extractives
 xanthoangelol C
 CAS: 132998-82-4
Use(s): natural substances and extractives
 xanthoangelol D
 CAS: 132998-83-5
Use(s): natural substances and extractives
 xanthoangelol E
 CAS: 132998-84-6
Use(s): natural substances and extractives
 xanthoangelol F
 CAS: 265652-71-9
Use(s): natural substances and extractives
 xanthoangelol G
 CAS: 265652-88-8
Use(s): natural substances and extractives
 xanthoangelol H
 CAS: 265652-89-9
Use(s): natural substances and extractives
 xanthochymol
 CAS: 52617-32-0
Use(s): natural substances and extractives
 xanthohumol
 CAS: 6754-58-1
Use(s): cosmetic agents
isoxanthohumol
 CAS: 70872-29-6
Use(s): natural substances and extractives
 xanthotoxin
 CAS: 298-81-7  EC: 206-066-9
Use(s): natural substances and extractives
 xanthotoxol
 CAS: 2009-24-7  EC: 217-923-1
Use(s): natural substances and extractives
 xanthotoxol geranyl ether
 CAS: 7437-55-0
Use(s): natural substances and extractives
 xanthoxyletin
 CAS: 84-99-1
Use(s): toxic natural substances
 xanthoxylin
 CAS: 90-24-4  EC: 201-978-3
Use(s): natural substances and extractives
 xanthoxylol
 CAS: 111407-29-5
Use(s): natural substances and extractives
 xenon
 CAS: 7440-63-3
Use(s): information only not used for fragrances or flavors
isoxylaldehyde
 CAS: 34341-29-2
Use(s): natural substances and extractives
 xylanase, beta-glucanase enzyme preparation, produced by a strain of hunicola insolens
 CAS: 9025-57-4  EC: 232-800-2
Use(s): enzyme preparations and microorganisms
meta-xylene
 CAS: 108-38-3  EC: 203-576-3
Use(s): natural substances and extractives
ortho-xylene
 CAS: 95-47-6  EC: 202-422-2
Use(s): natural substances and extractives
para-xylene
 CAS: 106-42-3  EC: 203-396-5
Use(s): natural substances and extractives
2,3-xylenol
 CAS: 526-75-0  EC: 208-395-3  FLAVIS: 04.065
Use(s): flavor and fragrance agents
2,4-xylenol
 CAS: 105-67-9  EC: 203-321-6  FLAVIS: 04.066
Use(s): flavor and fragrance agents
2,5-xylenol
 CAS: 95-87-4  EC: 202-461-5  FEMA: 3595  JECFA: 706  FLAVIS: 04.019
Use(s): flavor and fragrance agents
2,6-xylenol
 CAS: 576-26-1  EC: 209-400-1  FEMA: 3249  JECFA: 707  FLAVIS: 04.042
Use(s): cosmetic, flavor and fragrance agents
3,4-xylenol
 CAS: 95-65-8  EC: 202-439-5  FEMA: 3596  JECFA: 708  FLAVIS: 04.048
Use(s): flavor and fragrance agents
3,5-xylenol
 CAS: 108-68-9  EC: 203-606-5  FLAVIS: 04.020
Use(s): flavor and fragrance agents
 xylitol
 CAS: 87-99-0  EC: 201-788-0
Use(s): special dietary and nutritional additives
dextro-xylose
 CAS: 58-86-6  EC: 200-400-7  FEMA: 3606
Use(s): sweeteners, flavor enhancers
laevo-xylose
 CAS: 609-06-3  EC: 210-174-1
Use(s): natural substances and extractives
laevo-xylulose
 CAS: 527-50-4
Use(s): natural substances and extractives
 xymenynic acid
 CAS: 557-58-4  EC: 209-179-1
Use(s): cosmetic agents