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Oxybutynin impurity; 4-(dialkylamino)-2-butynyl benzilates. Group: Biochemicals. Alternative Names: 4-(Diethylamino)-2-butyn-1-ol Benzilate (Ester); BenzilicAcid 4-(Diethylamino)-2-butynyl Ester. Grades: Highly Purified. CAS No. 14943-53-4. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
N-Methylpiperidinyl-2-methyl benzilate
N-Methylpiperidinyl-2-methyl benzilate. Group: Biochemicals. Alternative Names: Benzilicacid N-methyl-2-piperidylmethyl ester. Grades: Highly Purified. CAS No. 94909-90-7. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C21H25NO3. US Biological Life Sciences.
Worldwide
Oxybutynin Impurity B
An impurity of Oxybutynin which is an inhibitor of proliferation and supresses gene expression in bladder smooth muscle cells. Synonyms: α-Descyclohexyl-α-phenyl Oxybutynin; 4-(Diethylamino)-2-butyn-1-ol Benzilate (Ester); BenzilicAcid 4-(Diethylamino)-2-butynyl Ester. Grades: > 95%. CAS No. 14943-53-4. Molecular formula: C22H25NO3. Mole weight: 351.45.
Propiverine Hydroxy Impurity
An impurity of Propiverine Propiverine. Propiverine is a muscarinic antagonist. It is an anticholinergic drug used for the treatment of urinary urgency, frequency and urge incontinence. Uses: Calcium channel blockers. Synonyms: Enpiperate; 3608-67-1; 1-methylpiperidin-4-yl 2-hydroxy-2,2-diphenylacetate; 1-Methyl-4-piperidyl diphenylglycolate; 4-NMPB; [3H]4NMPB; N-Methyl-4-piperidyl benzilate; 1-Methyl-4-piperidyl benzilate; NSC 172167; CHEMBL143228; QWK86805EB; N-methyl-4-piperidinyl benzilate; NSC-172167; Benzeneacetic acid. alpha.-hydroxy-.alpha.-phenyl-, 1-methyl-4-piperidinyl ester; Hydroxy-diphenyl-acetic acid 1-methyl-piperidin-4-yl ester; [3H]enpiperate. Grades: > 95%. CAS No. 3608-67-1. Molecular formula: C20H23NO3. Mole weight: 325.41.
(S)-(-)-1-Phenylethanol
(S)-(-)-1-Phenylethanol can be prepared from acetophenone via enantioselective bioreduction in the presence of Rhizopus arrhizus as a biocatalyst. Uses: (s)-(-)-1-phenylethanol can be used as: a starting material to prepare (1s,3r,4s)-1-methyl-3,4-diphenyl-3,4-dihydro-1h-isochromene-3,4-diol (a cyclic hemiacetal) by reacting with benzil via dilithiation reaction. a chiral solvent in the symmetric synthesis of substituted spiroundecenetriones via amino acid-catalyzed domino knoevenagel/diels-alder reactions. Group: Chiral alcohols & ligands. Alternative Names: (S)-(-)-sec-Phenylethyl alcohol, (-)-Methyl phenyl carbinol, (S)-(-)-α-Methylbenzyl alcohol. CAS No. 1445-91-6. Molecular formula: C8H10O. Mole weight: 122.16. Canonical SMILES: C[C@H](O)c1ccccc1. Density: 1.012 g/mL at 20 °C (lit.). Catalog: ACM1445916-1.
Trospium Impurity B
Norglipin is an intermediate in the synthesis of Trospium Chloride. Synonyms: Norglipin; α-Hydroxy-α-phenylbenzeneacetic Acid (3-endo)-8-Azabicyclo[3.2.1]oct-3-yl Ester; N-Desmethyl Tropan-3α-yl-(2-hydroxy-2,2-diphenyl)acetate; 1αH,5αH-Nortropan-3α-ol Benzilate. CAS No. 16444-19-2. Molecular formula: C21H23NO3. Mole weight: 337.42.
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