Merck, 1008041000, L(+)-Tartaric acid

Application

Binary Mixtures of Meloxicam and L-Tartaric Acid for Oral Bioavailability Modulation of Pharmaceutical Dosage Forms.: This study explores the use of L(+)-tartaric acid in binary mixtures to enhance the oral bioavailability of meloxicam, suggesting potential applications in developing more effective pharmaceutical formulations (Macasoi et al., 2024).

Hyper-Raman spectroscopy of biomolecules.: This research employs Hyper-Raman spectroscopy, an analytical technique enhanced by L(+)-tartaric acid, to provide insights into the structural dynamics of biomolecules, showcasing its utility in complex biological systems (Marble et al., 2024).

Novel multi-component crystals of berberine with improved pharmaceutical properties.: This study highlights the use of L(+)-tartaric acid in the development of novel multi-component crystals, potentially leading to pharmaceuticals with enhanced efficacy and stability (Zhang et al., 2023).

Deep Eutectic Solvent (DES)-Mediated One-Pot Multicomponent Green Approach for Naphthalimide-Centered Acridine-1,8-dione Derivatives and Their Photophysical Properties.: Research demonstrates the synthesis of complex organic compounds using L(+)-tartaric acid as a component of a deep eutectic solvent, highlighting its role in green chemistry (Rather et al., 2022).

Analysis Note
Assay (alkalimetric): ≥ 99.5 %
Assay (alkalimetric, calculated on dried substance): 99.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 50 ppm
Spec. rotation [α²0/D (20 %; water calculated on dried substance): 12.0 - 12.8 °
Chloride (Cl): ≤ 5 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 50 ppm
Heavy metals (as Pb): ≤ 5 ppm
Total sulfur (as SO₄): ≤ 20 ppm
Ca (Calcium): ≤ 20 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Oxalate (C₂O₄): passes test
Oxalic acid: ≤ 350 ppm
Sulfated ash: ≤ 100 ppm
Loss on Drying (105°C): ≤ 0.2 %
Corresponds to ACS,ISO,Reag. Ph Eur
Other Notes
Replaces: TX0010-1; TX0010
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany