021574
D-Tetrahydropalmatine
Size
£346.00
- SKU:
- 021574
- Molecular Weight:
- 355.43
- Storage Conditions:
- 4°C
- Supplier:
- United States Biological
- CAS Number:
- 3520-14-7
- Extra Details:
- D-Tetrahydropalmatine is an alkaloid isolated from a traditional Chinese herb Rhizoma Corydalis (yanhusuo). D-Tetrahydropalmatine inhibits dopamine and serotonin uptake of synaptosomes in the rat brain. D-Tetrahydropalmatine also shows inhibitory effects on acetylcholinesterase and butyrylcholinesterase. Synonyms: (13aR)-5,8,13,13a-Tetrahydro-2,3,9,10-tetramethoxy-6H-dibenzo[a,g]quinolizine; 2,3,9,10-Tetramethoxy-13aβ-berbine; (+)-(R)-Tetrahydropalmatine; (+)-2,3,9,10-Tetramethoxyberbine; (+)-Corydalis B; (R)-Tetrahydropalmatine; (+)-Tetrahydropalmatine Alkaloid; Corydalis B; d-Tetrahydropalmatine CAS No: 3520-14-7 Molecular Formula: C₂₁H₂₅NO₄ Molecular Weight: 355.43 Purity (HPLC): ≥97% Appearance: White to pale yellow solid Melting Point: 142-145°C (lit) Solubility: Chloroform (Slightly), Ethanol (Slightly, Sonicated), Methanol (Slightly) Method for Determining Identity: Proton NMR Spectroscopic and Mass Spectrometric Analysis TLC Conditions: SiO2: Dichloromethane: Methanol: NH4OH; 9:1:0.1: Visualized with UV, AMCS, KMnO4, and Ninhydrin; Single spot, Rf=0.75 Elemental Analysis: Calculated: %C: 70.96, %H: 7.09, %N: 3.94 Specific Rotation (c=0.1, Ethanol): As Reported Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at 4°C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
- Shipping Conditions:
- Ambient