| No. | CAS # | Product Names | Molecular Formula |
| 1 | 27548-93-2 | Baccatine III | C31H38O11 |
| 2 | 1134-47-0 | Baclofen | C10H12ClNO2 |
| 3 | 491-67-8 | Baicalein | C15H10O5 |
| 4 | 21967-41-9 | Baicalin | C21H18O11 |
| 5 | 146162-54-1 | BALQ | C32H25AlN2O3 |
| 6 | 150399-21-6 | Balsalazide disodium | C17H13N3Na2O6 |
| 7 | 82101-18-6 | Balsalazide disodium | C17H13N3Na2O6 |
| 8 | 81732-46-9 | Bambuterol hydrochloride | C18H29N3O5.HCl;C18H30ClN3O5 |
| 9 | 67-52-7 | Barbituric acid | C4H4N2O3 |
| 10 | 543-80-6 | Barium Acetate | C4H6BaO4 |
| 11 | 513-77-9 | Barium carbonate | BaCO3 |
| 12 | 10326-27-9 | Barium chloride dihydrate | BaCl2·2H2O |
| 13 | 10361-37-2 | Barium chloride | BaCl2 |
| 14 | 533-00-6 | Barium dibenzoate | C14H10BaO4 |
| 15 | 7787-32-8 | Barium fluoride | |
| 16 | 17125-80-3 | Barium hexafluorosilicate | |
| 17 | 22326-55-2 | Barium hydroxide monohydrate | |
| 18 | 12230-71-6 | Barium hydroxide octahydrate | H2BaO2.8H2O |
| 19 | 17194-00-2 | Barium hydroxide | Ba(OH)2 |
| 20 | 13701-59-2 | Barium metaborate | |
| 21 | 13255-26-0 | barium metasilicate | BaSiO3-6H2O |
| 22 | 7787-37-3 | Barium molybdate | BaMoO4 |
| 23 | 13465-94-6 | Barium nitrite | BaN2O4 |
| 24 | 7787-38-4 | Barium nitrite | Ba（NO２）２·H２O |
| 25 | 1304-28-5 | Barium oxide, obtained by calcining witherite | BaO |
| 26 | 1304-29-6 | Barium peroxide | BaO2 |
| 27 | 13718-59-7 | Barium selenite | |
| 28 | 7787-39-5 | barium sulphite | Ba.H2O3S |
| 29 | 35112-53-9 | Barium thiosulphate | BaO3S2 |
| 30 | 1345-05-7 | Barium zinc sulfate sulfide | ZnSBaSO4 |
| 31 | 104757-53-1 | Barnidipine hydrochloride | C27H29N3O6.HCl |
| 32 | 104713-75-9 | Barnidipine | C27H29N3O6 |
| 33 | 2185-86-6 | Basic Blue 11 | C29H32ClN3 |
| 34 | 2580-56-5 | Basic Blue 26 | C33H32ClN3 |
| 35 | 2390-60-5 | Basic Blue 7 | C33H40ClN3 |
| 36 | 12336-95-7 | basic chromic sulfate | Cr(OH)SO4 |
| 37 | 39380-78-4 | Basic chromic sulfate | Cr（OH）SO4 |
| 38 | 9014-01-1 | Basic protease | |
| 39 | 12270-25-6 | Basic Red 51 | C13H18ClN5 |
| 40 | 553-24-2 | Basic Red 5 | C15H17ClN4 |
| 41 | 8004-87-3 | Basic Violet 1 | C24H28ClN3 |
| 42 | 3248-91-7 | Basic Violet 2 | |
| 43 | 4733-39-5 | Bathocuproin | C26H20N2 |
| 44 | 1662-01-7 | Bathophenanthroline | C24H16N2 |
| 45 | 544-62-7 | Batyl alcohol | C21H44O3 |
| 46 | 5534-09-8 | Beclomethasone dipropionate | C28H37ClO7 |
| 47 | 8006-40-4 | BEESWAX | |
| 48 | 302-40-9 | Benactyzine | C20H25NO3 |
| 49 | 86541-74-4 | Benazepril hydrochloride | C24H28N2O5.HCl;C24H29ClN2O5 |
| 50 | 86541-75-5 | Benazepril | C24H28N2O5 |