Herbesser R 100: Tablet Size: Length 14.2 mm, thickness 5.4 mm, weight 0.17 g. Identification Code: TA303.
Herbesser R 200: Tablet Size: Length 17.7 mm, thickness 6.4 mm, weight 0.32 g. Identification Code: TA304.
Herbesser R200 also contains FD&C Red No.3 (erythrosine) as inactive ingredient.
Diltiazem HCl is (2S,3S)-3-acetoxy-2,3-dihydro-2-(4-methoxyphenyl)-5-(2-dimethyl)-1, 5-benzothiazepine-4(5H)-one monohydrochloride. Molecular Formula: C22H26N2O4S·HCl. Molecular Weight: 450.99. It occurs as white crystals or crystalline powder and it is odorless. It is very soluble in formic acid, freely soluble in water, in methanol and in chloroform, sparingly soluble in acetonitrile, slightly soluble in acetic anhydride and in ethanol (99.5%) and practically insoluble in diethyl ether.
Optical Rotation: +115 to +120° (after drying, 0.2 g, water, 20 mL, 100 mm).
Melting Point: 210-215°C (decomposition).