| Description | DA 4643 is one of the histamine H2-receptor antagonists. Both mifentidine and DA 4643 interact with the histamine H2-receptor at the same site, utilizing in the binding process the same, or closely similar, receptor structural features. |
| Synonyms | DA-4643, DA4643 |
| molecular weight | 347.26 |
| Molecular formula | C12H16Cl2N6S |
| CAS | 95833-19-5 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| References | 1. Donetti A, Trummlitz G, Bietti G, Cereda E, Bazzano C, Wagner HU. Conformational studies of two histamine H2-receptor antagonistic phenylformamidines: mifentidine and its guanidinothiazole analogue DA 4643. Arzneimittelforschung. 1985;35(1A):306-15. PubMed PMID: 2859031. 2. Paquay JB, Bolscher MT, Voss HP, Timmerman H, Bast A. Difference in the inhibition of nitric oxide synthase and cytochrome P-450 by some H(2)-antagonists. Toxicol In Vitro. 1997 Dec;11(6):775-8. PubMed PMID: 20654383. |