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A5513

Sigma-Aldrich

N-Acetylprocainamide hydrochloride

≥99% (HPLC), powder

Synonym(s):

N-Acetylnovocainamide hydrochloride, Acecainide hydrochloride, NAPA

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About This Item

Linear Formula:
4-(CH3CONH)C6H4CONHCH2CH2N(C2H5)2·HCl
CAS Number:
34118-92-8
Molecular Weight:
313.82
EC Number:
251-831-2
MDL number:
MFCD00012501
UNSPSC Code:
12352100
PubChem Substance ID:
24890983
NACRES:
NA.77

Assay

≥99% (HPLC)

form

powder

mp

184-186 °C (lit.)

solubility

H2O: 50 mg/mL

storage temp.

−20°C

SMILES string

Cl[H].CCN(CC)CCNC(=O)c1ccc(NC(C)=O)cc1

InChI

1S/C15H23N3O2.ClH/c1-4-18(5-2)11-10-16-15(20)13-6-8-14(9-7-13)17-12(3)19;/h6-9H,4-5,10-11H2,1-3H3,(H,16,20)(H,17,19);1H

InChI key

IYEWBJUCJHKLHD-UHFFFAOYSA-N

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Application

N-Acetylprocainamide hydrochloride may be used:
  • as an internal standard for spiking plasma samples for ultra-high-pressure liquid chromatography coupled with a diode array detector (UHPLC-DAD) analysis
  • to test its relaxant effect on tracheal smooth muscle tissue preparations
  • in preparation of complexes with N-acetyl-L-tyrosine methyl ester and N-acetyl-L-phenylalanine methyl ester for studying intermolecular interactions using nuclear magnetic resonance (NMR) spectroscopy studies

N-Acetylprocainamide hydrochloride is a class III antiarrhythmic compound. N-Acetylprocainamide hydrochloride has been used in a study to determine the disposition of procainamide and N-acetylprocainamide in protein-calorie malnutrition. N-Acetylprocainamide hydrochloride has also been used to study pharmacokinetics of procainamide and N-acetylprocainamide in rats.

Biochem/physiol Actions

N-acetyltransferase II in liver catalyzes the conversion of procainamide to N-acetylprocainamide (NAPA).
Class III antiarrhythmic. Increases the duration of the action potential by decreasing the delayed outward potassium current, slightly decreasing the calcium current, and slightly depressing the inward rectifier potassium current. This is the active metabolite of procainamide that does not induce systemic lupus erythematosus.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

A5513-BULK:
A5513-5G:
A5513-1G:
A5513-500MG:
A5513-VAR:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The evidence for complex formation between N-acetyl-l-tyrosine methyl ester and N-acetylprocainamide hydrochloride using NMR spectroscopy
Janik A, et al.
Structural Chemistry, 20(4), 699-707 (2009)
D Jung et al.
Drug metabolism and disposition: the biological fate of chemicals, 13(3), 359-363 (1985-05-01)
The influence of dietary protein deficiency on the disposition of procainamide (PA) and its major metabolite, N-acetylprocainamide (NAPA) was investigated in male Sprague-Dawley rats fed for 4 weeks on a 23 (control) or a 5% (low) protein diet ad libitum.
B L Kamath et al.
Journal of pharmaceutical sciences, 70(3), 299-302 (1981-03-01)
The pharmacokinetics of distribution and elimination of procainamide and its major metabolite, N-actylprocainamide, were studied in rats. Eight rats were selected randomly, and each received intravenously 14C-labeled procainamide hydrochloride (75 mg/kg) or 14C-labeled N-acetylprocainamide hydrochloride (86 mg/kg) according to a
Anusha Balla et al.
Pharmaceutics, 10(2) (2018-03-31)
A simple, sensitive, and reliable reversed-phase, Ultra-High-Pressure Liquid Chromatography (UHPLC) coupled with a Diode Array Detector (DAD) method for the simultaneous determination of Procainamide (PA) and its major metabolite, N-acetylprocainamide (NAPA), in rat plasma was developed and validated. A simple
K Okumura et al.
Clinical pharmacology and therapeutics, 61(5), 509-517 (1997-05-01)
We studied the genotypes of polymorphic N-acetyltransferase (NAT2) in 145 Japanese subjects by the polymerase chain reaction-restriction fragment length polymorphism method. The rapid-type NAT2*4 was expressed at a higher frequency (68.6%) than the slow-type genes with specific point mutations (NAT2*6A
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