| Bioactivity | Diphenhydramine is a first-generation histamine H1-receptor antagonist with anti-cholinergic effect. Diphenhydramine hydrochloride can across the ovine blood-brain barrier (BBB)[1][2]. |
| Name | Diphenhydramine |
| CAS | 58-73-1 |
| Formula | C17H21NO |
| Molar Mass | 255.35 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |