Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
- CAS No.
- 139481-44-0
- Chemical Name:
- Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
- Synonyms
- 1-[(2´Azilsartan-19;Methyl 1-[(2´Azilsartan Impurity S;Azilsartan Impurity 31;Azilsartan Impurity 21;Azilsartan Impurity 27;Azilsartan Impurity 76;Azilsartan interMediate;Azilsartan interMediate B
- CBNumber:
- CB51009654
- Molecular Formula:
- C25H21N3O3
- Molecular Weight:
- 411.45
- MDL Number:
- MFCD09031384
- MOL File:
- 139481-44-0.mol
- MSDS File:
- SDS
Product description | Number | Pack Size | Price |
Methyl 1-[(2'-Cyano-[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate | M3197 | 25G | $67 |
Methyl 1-[(2'-Cyano-[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate | M3197 | 100G | $204 |
1-[(2''-Cyano-1,1''-biphenyl-4-yl)methyl]-2-ethoxy-7-benzimidazolecarboxylicAcidMethylEster | C988330 | 100g | $595 |
1H-BENZIMIDAZOLE-7-CARBOXYLIC ACID, 1-[(2'-CYANO[1,1'-BIPHENYL]-4-YL)METHYL]-2-ETHOXY-METHYL ESTER 95.00% | CHM0077727 | 10MG | $779.63 |
Methyl 1-[(2'-Cyano-[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate | W3051 | 500g | $860 |
More product size |
Melting point | 168 °C |
---|---|
storage temp. | 2-8°C |
solubility | Chloroform (Slightly), Methanol (Slightly, Sonicated) |
form | Solid |
color | Off-White to Light Yellow |
InChI | InChI=1S/C25H21N3O3/c1-3-31-25-27-22-10-6-9-21(24(29)30-2)23(22)28(25)16-17-11-13-18(14-12-17)20-8-5-4-7-19(20)15-26/h4-14H,3,16H2,1-2H3 |
InChIKey | KSXLHOFDCDKQLH-UHFFFAOYSA-N |
SMILES | C1(OCC)N(CC2=CC=C(C3=CC=CC=C3C#N)C=C2)C2=C(C(OC)=O)C=CC=C2N=1 |
SAFETY
Risk and Safety Statements
Symbol(GHS) | ![]() GHS07 |
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Signal word | Warning | |||||||||
Hazard statements | H319-H302-H315-H312-H332 | |||||||||
Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P280-P302+P352-P312-P322-P363-P501-P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312 | |||||||||
NFPA 704 |
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Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate price More Price(17)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
TCI Chemical | M3197 | Methyl 1-[(2'-Cyano-[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate | 139481-44-0 | 25G | $67 | 2025-07-31 | Buy |
TCI Chemical | M3197 | Methyl 1-[(2'-Cyano-[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate | 139481-44-0 | 100G | $204 | 2025-07-31 | Buy |
TRC | C988330 | 1-[(2''-Cyano-1,1''-biphenyl-4-yl)methyl]-2-ethoxy-7-benzimidazolecarboxylicAcidMethylEster | 139481-44-0 | 100g | $595 | 2021-12-16 | Buy |
American Custom Chemicals Corporation | CHM0077727 | 1H-BENZIMIDAZOLE-7-CARBOXYLIC ACID, 1-[(2'-CYANO[1,1'-BIPHENYL]-4-YL)METHYL]-2-ETHOXY-METHYL ESTER 95.00% | 139481-44-0 | 10MG | $779.63 | 2021-12-16 | Buy |
AK Scientific | W3051 | Methyl 1-[(2'-Cyano-[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate | 139481-44-0 | 500g | $860 | 2021-12-16 | Buy |
Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate Chemical Properties,Uses,Production
Description
Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate is a key synthetic intermediate in the synthesis of azilsartan, an angiotensin II.1 (AT1) receptor antagonist used in the treatment of hypertension.
Chemical Properties
Pale Yellow Solid
Uses
Intermediate in the synthesis of angiotensin II receptor antagonist.
Synthesis

78-09-1

136304-78-4
![Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate](/CAS/GIF/139481-44-0.gif)
139481-44-0
Using methyl 3-amino-2-(((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)amino)benzoate (MBA) and tetraethyl orthocarbonate (TEC, 397 kg) as the raw material, the mixture was heated at reflux in the presence of acetic acid (62 kg) at 78 to 82 °C for 1 to 2 hours. After completion of the reaction, the reaction solution was cooled and methanol (1680 L), 24% aqueous sodium hydroxide (65 L) and water (2030 L) were added sequentially. The mixture was stirred at 60 to 30 °C for 2 h and the pH was adjusted with aqueous sodium hydroxide solution to 5 to 7. After cooling to below 5 °C, the precipitated crystals were separated and washed with cold water (2500 L) and cold ethyl acetate (500 L) to obtain the first batch of crystals. The mother liquor and washings were concentrated under reduced pressure, cooled to below 5 °C, and the precipitated crystals were separated and washed with cold ethyl acetate (20 L) to obtain the second batch of crystals. The first and second batches of crystals were combined, dissolved in ethyl acetate (4890 L) and heated to reflux. The crystal seeds were added at about 70 °C and then cooled to 5 °C. The crystals were separated, washed with cold ethyl acetate (200 L) and dried to give methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate (BEC, 361 kg, 84.8% yield). The product melting point was 168.5-169.5 °C. 1H-NMR (200 MHz, CDCl3) δ: 1.42 (3H, t), 3.71 (3H, s), 4.63 (2H, q), 5.59 (2H, s), 7.09 (2H, d), 7.20 (1H, t), 7.45-7.59 (5H, m), 7.69- 7.80 (2H, m), 7.92 (1H, dd).IR (KBr) cm-1: 2225, 1725, 1550, 1480, 1430, 1280, 1250, 1040, 760, 750.
References
[1] Journal of Medicinal Chemistry, 1993, vol. 36, # 15, p. 2182 - 2195
[2] Patent: EP1420016, 2004, A1. Location in patent: Page 18-19
[3] Patent: WO2009/157001, 2009, A2. Location in patent: Page/Page column 3



Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate Preparation Products And Raw materials
Raw materials
Preparation Products
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Sinopharm International Guangzhou Ltd. | +86-2038033341 +86-18520036739 | zhuluqiang@sinopharm.com | China | 76 | 58 |
Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8772 | 58 |
Sichuan Zhuoyu Yantang Technology Co., Ltd. | +8613288715578 | sales@sichuanzyyt.com | China | 12247 | 58 |
Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 | deasea125996@gmail.com | China | 2472 | 58 |
Anhui Ruihan Technology Co., Ltd | +8617756083858 | daisy@anhuiruihan.com | China | 973 | 58 |
Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
Handan City Zechi trading Co., LTD | +8619003396151 | 13165586887@163.com | China | 575 | 58 |
Capot Chemical Co.,Ltd. | +86-(0)57185586718; +8613336195806 | sales@capot.com | China | 29734 | 60 |
Beijing Cooperate Pharmaceutical Co.,Ltd | 010-60279497 | sales01@cooperate-pharm.com | CHINA | 1803 | 55 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21620 | 55 |
View Lastest Price from Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate manufacturers
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2025-10-17 | Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
139481-44-0
|
US $0.00 / kg | 1kg | 98%min | 500kg | WUHAN FORTUNA CHEMICAL CO., LTD | |
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2025-09-28 | Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
139481-44-0
|
US $1.00 / g | 100g | 99 | 1000 | Handan City Zechi trading Co., LTD | |
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2025-09-26 | Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
139481-44-0
|
US $125.00-90.00 / kg | 100kg | 99.99% | 100Tons | Hebei Dangtong Import and export Co LTD |
-
- Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
139481-44-0
- US $0.00 / kg
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
139481-44-0
- US $1.00 / g
- 99
- Handan City Zechi trading Co., LTD
-
- Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate
139481-44-0
- US $125.00-90.00 / kg
- 99.99%
- Hebei Dangtong Import and export Co LTD