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ChemicalBook >> CAS DataBase List >> 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester

1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester

1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester price.
  • $7 - $2954
  • Product name: 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester
  • CAS: 3543-73-5
  • MF: C14H19N3O2
  • MW: 261.32
  • EINECS:680-673-0
  • MDL Number:MFCD09840909
  • Synonyms:5-AMINO-1-METHYL-1H-BENZIMIDAZOLE-2-BUTANOIC ACID ETHYL ESTER;Ethyl-4-(5-aMino-1-Methy-1H-benzo[d] iMidazol-2-yl)butanoate;1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester;4-(5-Amino-1-methyl-1H-benzoimidazol-2-yl)-butyric acidethylester;5-amino-1-methyl-2-Benzimidazolebutyric acid ethyl ester;5-AMino-1-Methyl-;4-[5-AMino-1-MethylbenziMidazol-2-yl]butanoic acid ethyl ester;1-Methyl-5-aMino-1H-benziMidazole-2-butanoic acid ethyl este
Price49 Properties Safety Information Description
49 prices
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Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Biosynth
  • Chemcia Scientific
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • SynQuest Laboratories
  • Synthonix
  • TRC
Package
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  • 1.00g
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  • 100G
  • 250g
  • 500g
  • Manufactureraablocks
  • Product numberAA0032QA
  • Product description1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester 98%
  • Packaging1g
  • Price$14
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032QA
  • Product description1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester 98%
  • Packaging5g
  • Price$42
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032QA
  • Product description1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester 98%
  • Packaging25g
  • Price$146
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX186477
  • Product description5-Amino-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester 95%
  • Packaging25G
  • Price$175
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX186477
  • Product description5-Amino-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester 95%
  • Packaging100G
  • Price$695
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product numberX4796
  • Product descriptionEthyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 98%(HPLC)
  • Packaging1g
  • Price$22
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ97551
  • Product descriptionEthyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 95%
  • Packaging5g
  • Price$46
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ97551
  • Product descriptionEthyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 95%
  • Packaging1g
  • Price$16
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberX4796
  • Product descriptionEthyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 98%(HPLC)
  • Packaging5g
  • Price$62
  • Updated2026-06-04
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  • ManufacturerAlichem
  • Product number3543735
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate
  • Packaging5g
  • Price$165
  • Updated2021-12-16
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  • ManufacturerAlichem
  • Product number3543735
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate
  • Packaging10g
  • Price$252.5
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA128291
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98%
  • Packaging25g
  • Price$167
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA128291
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98%
  • Packaging250mg
  • Price$7
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA128291
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98%
  • Packaging1g
  • Price$15
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA128291
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98%
  • Packaging5g
  • Price$48
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA128291
  • Product descriptionEthyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98%
  • Packaging100g
  • Price$583
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0032QA 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester 98% 1g $14 2026-05-28 Buy
aablocks AA0032QA 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester 98% 5g $42 2026-05-28 Buy
aablocks AA0032QA 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester 98% 25g $146 2026-05-28 Buy
ACHEMBLOCK X186477 5-Amino-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester 95% 25G $175 2026-05-27 Buy
ACHEMBLOCK X186477 5-Amino-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester 95% 100G $695 2026-05-27 Buy
AK Scientific X4796 Ethyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 98%(HPLC) 1g $22 2026-06-04 Buy
AK Scientific J97551 Ethyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 95% 5g $46 2026-06-04 Buy
AK Scientific J97551 Ethyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 95% 1g $16 2026-06-04 Buy
AK Scientific X4796 Ethyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate 98%(HPLC) 5g $62 2026-06-04 Buy
Alichem 3543735 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 5g $165 2021-12-16 Buy
Alichem 3543735 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 10g $252.5 2021-12-16 Buy
Ambeed A128291 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98% 25g $167 2021-12-16 Buy
Ambeed A128291 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98% 250mg $7 2021-12-16 Buy
Ambeed A128291 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98% 1g $15 2021-12-16 Buy
Ambeed A128291 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98% 5g $48 2021-12-16 Buy
Ambeed A128291 Ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate 98% 100g $583 2021-12-16 Buy
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Properties

Melting point :130-135°C
Boiling point :471.6±25.0 °C(Predicted)
Density :1.21±0.1 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2–8 °C
solubility :Chloroform (Slightly), Ethyl Acetate (Slightly)
form :Solid
pka :6.73±0.10(Predicted)
color :Off-White to Pale Beige
InChI :InChI=1S/C14H19N3O2/c1-3-19-14(18)6-4-5-13-16-11-9-10(15)7-8-12(11)17(13)2/h7-9H,3-6,15H2,1-2H3
InChIKey :JUMGOLYNZBZPKE-UHFFFAOYSA-N
SMILES :C1(CCCC(OCC)=O)N(C)C2=CC=C(N)C=C2N=1

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

1-Methyl-5-amino-1H-benzimidazole-2-butanoic Acid Ethyl Ester is a Bendamustine impurity.

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ethyl 4-(1-methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate 5-[Bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester Spirostan-6-one, 3,5-dihydroxy-, (3b,5a,25R)- BEPOTASTINE BESILATE FMOC-GLY-GLY-GLY-OH 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester

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Suppliers and manufacturers

Beijing Huikang Boyuan Chemical Tech Co., Ltd J & K SCIENTIFIC LTD. Chembest Research Laboratories Limited Shanghai Scientia Pharmaceutical Technology Co., Ltd. Shanghai Sinch Parmaceuticals Tech. Co. Ltd. Shanghai Hanhong Scientific Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. Chemipanda Bio-Tech Co., Ltd. Syntechem Co.,Ltd China Langchem Inc.