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N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide

CAS No.
139-76-4
Chemical Name:
N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide
Synonyms
2-(3,4-dimethoxyphenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide;Felbinac Impurity 16;Papaverine Impurity F;Papaverine Hydrochloride - Impurity F;N-(3,4-Dimethoxyphenethyl)-3,4-dimethoxybenzeneacetamide;N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxyphenylacetam;N-[2-(3,4-Dimethoxyphenyl)ethyl]-3,4-dimethoxybenzeneacetamide;Benzeneacetamide, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy-
CBNumber:
CB7933989
Molecular Formula:
C20H25NO5
Molecular Weight:
359.42
MDL Number:
MFCD00010597
MOL File:
139-76-4.mol
MSDS File:
SDS
Last updated:2026-05-12 09:16:02

N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide Properties

Melting point 124 °C
Boiling point 559.3±50.0 °C(Predicted)
Density 1.130±0.06 g/cm3(Predicted)
pka 15.36±0.46(Predicted)
InChI InChI=1S/C20H25NO5/c1-23-16-7-5-14(11-18(16)25-3)9-10-21-20(22)13-15-6-8-17(24-2)19(12-15)26-4/h5-8,11-12H,9-10,13H2,1-4H3,(H,21,22)
InChIKey KDIKNBJFJOYFNY-UHFFFAOYSA-N
SMILES C1(CC(NCCC2=CC=C(OC)C(OC)=C2)=O)=CC=C(OC)C(OC)=C1

SAFETY

Risk and Safety Statements

REACH Registrations Active

N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 457126 N-(3,4-Dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide 139-76-4 10mg $340 2026-06-03 Buy
Usbiological 457126 N-(3,4-Dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide 139-76-4 100mg $744 2026-06-03 Buy
aablocks AA003S7J N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-(3,4-dimethoxyphenyl)acetamide 98% 139-76-4 1g $49 2026-05-28 Buy
aablocks AA003S7J N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-(3,4-dimethoxyphenyl)acetamide 98% 139-76-4 5g $115 2026-05-28 Buy
aablocks AA003S7J N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-(3,4-dimethoxyphenyl)acetamide 98% 139-76-4 10g $181 2026-05-28 Buy
Product number Packaging Price Buy
457126 10mg $340 Buy
457126 100mg $744 Buy
AA003S7J 1g $49 Buy
AA003S7J 5g $115 Buy
AA003S7J 10g $181 Buy

N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide Chemical Properties,Uses,Production

Uses

N-(3,4-Dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide is an impurity of Papaverine (P190500), a smooth muscle relaxant found in opium. Vasodilator (cerebral).

N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)acetamide Preparation Products And Raw materials

Global( 52)Suppliers
Supplier Tel Email Country ProdList Advantage
ChemFuture PharmaTech (Jiangsu) Ltd 5108538618 suger.wang@chemfuture.com China 832 65
Shanghai Topbiochem Technology Co., Ltd 021-58170097 info@topbiochem.com China 9513 58
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
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Chengdu Huachun Technology Co., Ltd 400-1166-196 15982826727 cdhxsj@163.com China 14571 60
MQ (shanghai) Pharmaceuticals Co., Ltd. 13761635123 sales@linyuepharm.com China 5731 55
Shanghai ring qi biological technology co., LTD 13524106587 sales@hq-chem.com China 242 58
N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxyphenylacetam N-(3,4-Dimethoxyphenethyl)-3,4-dimethoxybenzeneacetamide N-[2-(3,4-Dimethoxyphenyl)ethyl]-3,4-dimethoxybenzeneacetamide 2-(3,4-dimethoxyphenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide Papaverine Impurity F Benzeneacetamide, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy- Felbinac Impurity 16 Papaverine Hydrochloride - Impurity F 139-76-4