• Butanethioic acid,S-ethyl ester
• 20807-99-2
• C6H12OS
• 132.22
• .

• Benzoic acid,4-(2-chloroethyl)-
• 20849-78-9
• C₉H₉ClO₂
• 244-080-7
• 184.62
• .

• b-D-Galactopyranoside, (3b,4a,16a)-13,28-epoxy-16,23-dihydroxyolean-11-en-3-yl 6-deoxy-3-O-b-D-glucopyranosyl-
• 20874-52-6
• C₄₂H₆₈O₁₃
• 780.98
• .

• Benzonitrile,2,3,4,5,6-pentachloro-
• 20925-85-3
• C₇Cl₅N
• 275.34
• .

• Benzoic acid,2-ethoxy-, hydrazide
• 21018-13-3
• C₉H₁₂N₂O₂
• 180.2
• .

• Benzene,1-(bromomethyl)-4-[(trifluoromethyl)thio]-
• 21101-63-3
• C₈H₆BrF₃S
• 271.09
• .

• Barium sulfide
• 21109-95-5
• BaS
• 244-214-4
• 169.39
• .

• Benzidine sulphate
• 21136-70-9
• C₁₂H₁₂N₂^.H₂SO₄
• 244-236-4
• 282.32
• .

• Benzeneacetic acid, a-hydroxy-, methyl ester, (aS)-
• 21210-43-5
• C₉H₁₀O₃
• 166.17
• .

• Benzo[b]thiophene-2-carboxylic acid, 3-chloro-, methylester
• 21211-07-4
• C10H7 Cl O2 S
• -0
• 226.67
• .

• Benzo[b]thiophene-2-carboxamide,3-chloro-
• 21211-09-6
• C₉H₆ClNOS
• -0
• 211.66
• .

• Benzo[b]thiophene-2-carboxylicacid, 3-chloro-
• 21211-22-3
• C₉H₅ClO₂S
• -0
• 212.65
• .

• Benzoic acid,3,5-dimethyl-, ethyl ester
• 21239-29-2
• C11H14O2
• 244-286-7
• 178.23
• .

• Benzoic acid,4-(dimethylamino)-, 3-methylbutyl ester
• 21245-01-2
• C₁₄H₂₁NO₂
• 244-288-8
• 235.33
• .

• Benzoic acid,4-(dimethylamino)-, 2-ethylhexyl ester
• 21245-02-3
• C₁₇H₂₇NO₂
• 244-289-3
• 277.4
• .

• Benzoic acid,2-chloro-6-methyl-
• 21327-86-6
• C₈H₇ClO₂
• -0
• 170.59
• .

• Benzene,2-chloro-1-fluoro-3-nitro-
• 21397-07-9
• C₆H₃ClFNO₂
• 244-365-6
• 175.54
• .

• Benzenamine, 4-bromo-3-chloro-
• 21402-26-6
• C₆H₅BrClN
• 244-370-3
• 206.469
• .

• Benzenemethanethiol,2,4,6-trimethyl-
• 21411-42-7
• C10H14 S
• 166.28
• .

• Benzonitrile,3-chloro-4-methyl-
• 21423-81-4
• C₈H₆ClN
• 244-381-3
• 151.5927
• .

• Benzenamine,2,4-dimethyl-, hydrochloride (1:1)
• 21436-96-4
• C8H11 N . Cl H
• 202-436-9
• 157.64
• .

• Benzoic acid,3-amino-4-methyl-, 1-methylethyl ester
• 21447-47-2
• C11H15 N O2
• 244-393-9
• 193.24
• .

• Benzene,2-bromo-1,3,5-tris(1-methylethyl)-
• 21524-34-5
• C₁₅H₂₃Br
• 283.25
• .

• Benzonitrile,2,3-difluoro-
• 21524-39-0
• C₇H₃F₂N
• 244-418-3
• 139.1
• .

• Benzofuran, 3-methyl-
• 21535-97-7
• C₉H₈O
• 244-427-2
• 132.16
• .

• Bis(2,3-epoxypropyl) cyclohex-4-ene-1,2-dicarboxylate
• 21544-03-6
• C14H18O6
• 244-435-6
• 282.29
• .

• Benzene,1-(chloromethyl)-2,3,4,5-tetrafluoro-
• 21622-18-4
• C7H3 Cl F4
• -0
• 198.54
• .

• Benzaldehyde,4-[(2-ethoxyethyl)ethylamino]-
• 21635-78-9
• C₁₃H₁₉NO₂
• 221.3
• .

• Benzoic acid, 4-hexyl-
• 21643-38-9
• C₁₃H₁₈O₂
• 244-490-6
• 206.28
• .

• Benzoic acid,3,5-dibromo-2-hydroxy-, methyl ester
• 21702-79-4
• C₈H₆Br₂O₃
• 309.94
• .

• Benzene,2,4-dibromo-1-methoxy-
• 21702-84-1
• C₇H₆Br₂O
• 244-536-5
• 265.930
• .

• Benzene,4-(2-isothiocyanatoethyl)-1,2-dimethoxy-
• 21714-25-0
• C₁₁H₁₃NO₂S
• -0
• 223.28
• .

• Benzoic acid,5-bromo-2-iodo-
• 21740-00-1
• C₇H₄BrIO₂
• 326.91
• .

• Benzene,1-(chloromethyl)-2-(trifluoromethyl)-
• 21742-00-7
• C₈H₆ClF₃
• 244-560-6
• 194.58
• .

• Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 7,7-dimethyl-2-oxo-, sodium salt (1:1), (1S,4R)-
• 21791-94-6
• C₁₀H₁₅NaO₄S
• 244-581-0
• 254.28
• .

• Benzenesulfonic acid,2,5-dihydroxy-, potassium salt (1:1)
• 21799-87-1
• C₆H₅KO₅S
• 244-584-7
• 228.26
• .

• Benzeneacetaldehyde, alpha-(3-methylbutylidene)-
• 21834-92-4
• C₁₃H₁₆O
• 244-602-3
• 188.27
• .

• Benzaldehyde,4-[ethyl(2-hydroxyethyl)amino]-2-methyl-
• 21850-52-2
• C₁₂H₁₇NO₂
• 244-618-0
• 207.27
• .

• Beryllium oxide (BeO),hydrate (9CI)
• 21883-51-2
• BeO xH2O
• 215-133-1
• 43.03
• .

• Benzoyl chloride,4-bromo-3-methyl-
• 21900-25-4
• C8H6BrClO
• 233.49
• .

• Benzoyl chloride,5-fluoro-2-methyl-
• 21900-39-0
• C8H6 Cl F O
• 172.58
• .

• Benzoyl chloride,2,3-dimethyl-
• 21900-46-9
• C₉H₉ClO
• 168.62
• .

• Benzoyl chloride,2-chloro-5-fluoro-
• 21900-51-6
• C7H3 Cl2 F O
• -0
• 193
• .

• Benzoyl chloride,2-chloro-4-fluoro-
• 21900-54-9
• C₇H₃Cl₂FO
• -0
• 193
• .

• Benzoic acid,2-phenoxy-, methyl ester
• 21905-56-6
• C14H12O3
• 228.24
• .

• Benzene,5-bromo-1,2,3-trichloro-
• 21928-51-8
• C₆H₂BrCl₃
• 260.34
• .

• Baicalin
• 21967-41-9
• C21H18O11
• 446.36
• .

• Benzene,1-chloro-4-[(4-nitrophenyl)thio]-
• 21969-11-9
• C₁₂H₈ClNO₂S
• 265.71
• .

• Benzoic acid,2-chloro-4-methoxy-
• 21971-21-1
• C₈H₇ClO₃
• 186.59
• .

• Benzenemethanamine, a-methyl-4-nitro-, (aR)-
• 22038-87-5
• C8H10 N2 O2
• 166.1772
• .