Impurity Reference Standard - Products

Ensifentrine Impurity 1

CAT No: CL-ESTN-01 CAS No: 298680-39-4 Mol Wt: 434.5 Mol F: C25H30N4O3 Inv Status: Custom Synthesis

Chemical Name: (E)-3-(2-Aminoethyl)-2-(mesitylimino)-9,10-dimethoxy-2,3,6,7-tetrahydro-4H-pyrimido[6,1-a]isoquinolin-4-one

Ensifentrine Impurity 2

CAT No: CL-ESTN-02 CAS No: 25017-47-4 Mol Wt: 224.3 Mol F: C11H16N2O3 Inv Status: Custom Synthesis

Chemical Name: 1-(3,4-Dimethoxyphenethyl)urea

Ensifentrine Impurity 3

CAT No: CL-ESTN-03 CAS No: 75535-95-4 Mol Wt: 292.3 Mol F: C14H16N2O5 Inv Status: Custom Synthesis

Chemical Name: 1-(3,4-Dimethoxyphenethyl)pyrimidine-2,4,6(1H,3H,5H)-trione

(E/Z)-Ensifentrine

CAT No: CL-ESTN-04 CAS No: 298680-25-8 Mol Wt: 477.6 Mol F: C26H31N5O4 Inv Status: Custom Synthesis

Chemical Name: 1-(2-(2-(Mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea

10-Des-Methyl Ensifentrine

CAT No: CL-ESTN-05 CAS No: 3067475-19-5 Mol Wt: 463.5 Mol F: C25H29N5O4 Inv Status: Custom Synthesis

Chemical Name: 1-(2-(10-Hydroxy-2-(mesitylimino)-9-methoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea

9-Des-Methyl Ensifentrine

CAT No: CL-ESTN-06 CAS No: 3067475-18-4 Mol Wt: 463.5 Mol F: C25H29N5O4 Inv Status: Custom Synthesis

Chemical Name: 1-(2-(9-Hydroxy-2-(mesitylimino)-10-methoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea

Ensifentrine Isoindole-1,3-dione Impurity

CAT No: CL-ESTN-07 CAS No: 3046226-90-5 Mol Wt: 564.6 Mol F: C33H32N4O5 Inv Status: Custom Synthesis

Chemical Name: (E)-2-(2-(2-(mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)isoindoline-1,3-dione

Ensifentrine Des-ethyl Impurity

CAT No: CL-ESTN-08 CAS No: 76536-66-8 Mol Wt: 391.5 Mol F: C23H25N3O3 Inv Status: Custom Synthesis

Chemical Name: 2-(Mesitylamino)-9,10-dimethoxy-6,7-dihydro-4H-pyrimido[6,1-a]isoquinolin-4-one

Ensifentrine-D6

CAT No: CL-ESTN-09 CAS No: NA Mol Wt: 483.6 Mol F: C26H25D6N5O4 Inv Status: Custom Synthesis

Chemical Name: (E)-1-(2-(2-(Mesitylimino)-9,10-bis(methoxy-d3)-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea

Ensifentrine Hydrochloride

CAT No: CL-ESTN-10 CAS No: NA Mol Wt: 477.6 : 36.5 Mol F: C26H31N5O4 : HCl Inv Status: Custom Synthesis

Chemical Name: (E)-1-(2-(2-(Mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea hydrochloride