L-Malic acid 99+%

Size

£141.00

SKU:: 239335
Molecular Weight:: 134.09
Purity:: ≥99% (Titration)
Storage Conditions:: RT
Supplier:: United States Biological
CAS Number:: 97-67-6
Format:: White crystalline powder
Extra Details:: The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1α,25-dihydroxyvitamin D3 analogue, and phoslactomycin B. Used to selectively protect the a-amino group of amino acids.It is the starting material for the preparation of chiral compounds. Synonyms: (2S)-2-Hydroxybutanedioic Acid; (-)-(S)-Malic Acid; (-)-Hydroxysuccinic Acid; (-)-L-Malic Acid; (-)-Malic Acid; (2S)-2-Hydroxybutanedioic Acid; (2S)-2-Hydroxy-_x000B_succinic Acid; (2S)-Malic Acid; (S)-Malic Acid; Apple Acid; L-(-)-Malic Acid; L-Apple Acid; L-Malic Acid; NSC 9232; S-(-)-Malic Acid; S-2-Hydroxybutanedioic Acid CAS No: 97-67-6 Molecular Formula: C4H6O5 Molecular Weight: 134.09 Appearance: White crystalline powder Purity: ≥99% (Titration) Melting Point: 101-103°C Heavy Metals: ≤10mg/Kg (as Pb) Arsenic (As2O2): ≤2mg/Kg Chloride (Cl-): ≤0.004% Sulfate (SO42-): ≤0.02% Fumaric Acid: ≤0.5% Maleic Acid: ≤0.05% Optical Rotation: [a]D20 = -1.6 to -2.6° Transmission: State of solution: To pass test Residue on Ignition: 0.10% Storage: Store at RT.