Simvastatin Acid Ammonium Salt is the deprotonated carboxylic acid derivative of simvastatin, featuring a hydroxyl group at the terminal ฮณ-lactone ring and an ammonium counterion (NH4+) paired with the conjugate base of the acid. The compound retains the core mevinolinic structure of simvastatin, including the 1-pyrroline moiety and a methyl-substituted lactone ring, but exhibits a fully ionized carboxylate group due to ammonium salt formation. This species arises as a synthetic byproduct during API synthesis or as a degradation product under alkaline conditions. It serves as a reference standard for HPLC-based impurity profiling in simvastatin formulations.
On Request| Std | Catalog # | Quantity | Price |
|---|---|---|---|
| USP | 1A08000 โ | 25 mg | USD 975.00 |
CCC(C)(C)C(=O)O[C@H]1C[C@H](C=C2[C@H]1[C@H]([C@H](C=C2)C)CC[C@H](C[C@H](CC(=O)[O-])O)O)C.[NH4+]
InChI=1S/C25H40O6.H3N/c1-6-25(4,5)24(30)31-21-12-15(2)11-17-8-7-16(3)20(23(17)21)10-9-18(26)13-19(27)14-22(28)29;/h7-8,11,15-16,18-21,23,26-27H,6,9-10,12-14H2,1-5H3,(H,28,29);1H3/t15-,16-,18+,19+,20-,21-,23-;/m0./s1
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