Category
Nortriptyline
CAS Number
Nortriptyline STD - 894-71-3 ; IMP - B - 303-50-4; IMP - D - 1159-03-1 ;
Alternate CAS Number
Nortriptyline STD - 72-69-5(free base) ; IMP-B - 438-59-5 (HCL Salt)
Molecular Formula
Nortriptyline STD - C19H21N : HCl; IMP - B - C19H19N ; IMP - D - C20H25NO ;
Molecular Weight
Nortriptyline STD - 263.38 g/mol ; IMP - B - 261.36 g/mol ; IMP - D - 295.42 g/mol ;
Synonym

Nortriptyline - 3-(10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine hydrochloride ,(free base) 3-(10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine; 

Nortriptylin EP Impurity - B - 1-Propanamine,3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl ; Cyclobenzaprine USP Related Compound B;Norcyclobenzaprine;Desmethyl Cyclobenzaprine3-(5H-dibenzo[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine ;3-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine; 3-(5H-Dibenzo[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine;

Nortriptylin EP Impurity D - 5-[3-(Dimethylamino)propyl]-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ol ; Amitriptyline USP Related Compound B  ;

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Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Nortriptyline for System Suitability CRS is used as a reference standard to confirm that chromatographic systems meet required performance criteria before analysis. It ensures accuracy, precision, and consistency in analytical methods, particularly in pharmaceutical quality control.