Ritalin/Ritalin LA Description

Ritalin: Ritalin 10 tablets are immediate release white tablets that are scored and marked AB and CG on the reverse.
Ritalin 10 contain methylphenidate hydrochloride 10 mg.
Ritalin LA: Ritalin LA are modified release capsules that presented as follows: 10 mg containing white to off-white beads in a light brown opaque hard gelatin capsule with the imprint of NVR on the cap and R10 on a white opaque body in tan-coloured ink; 20 mg containing white to off-white beads in a white opaque hard gelatin capsule with imprint NVR on the cap and R20 on body in tan-coloured ink; 30 mg containing white to off-white beads in a yellow opaque hard gelatin capsule with the imprint NVR on cap and R30 on body in tan-coloured ink.
Ritalin LA modified release capsules contain 10 mg, 20 mg or 30 mg of methylphenidate hydrochloride.
Chemical names: Methyl (R*, R*)-(±)-α-phenyl-2-piperidine acetate hydrochloride; or 2-Piperidineacetic acid, α-phenyl-, methyl ester, hydrochloride; or Methyl α-phenyl-2-piperidineacetate hydrochloride.
Molecular formula: C₁₄H₁₉NO₂·HCl.
Molecular weight: 269.8.
CAS Number: 298-59-9.
Excipients/Inactive Ingredients: Ritalin: Lactose, calcium phosphate, gelatin, magnesium stearate, purified talc and wheat starch.
Ritalin LA: Sugar spheres, polyethylene glycol 6000, ammonio methacrylate copolymer type B, methacrylic acid copolymer type A, talc, triethyl citrate, gelatin, titanium dioxide, black iron oxide (10 mg capsule only), red iron oxide (10 mg capsule only) and yellow iron oxide (10 and 30 mg capsules only).