1-Methyl-5-amino-1H-benzimidazole-2-butanoic… 3543-73-5

Name: 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98%
Brand: Vaqora Chemicals
SKU: VQ-012132

About 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98%

1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester (CAS 3543-73-5) is an imidazole derivative offered by Vaqora Chemicals with a typical assay of 98%. With the molecular formula C14H19N3O2, it has a molar mass of 261.32 g/mol. The IUPAC name is ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate. Common synonyms include 5-AMino-1-Methyl-.

The product is provided as a solid. Key physical data: a melting point of 131-135 °C. Recommended storage is at 2–8 °C, with the container kept tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for pharmaceutical synthesis and organic synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 1 g, 5 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmaceutical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98%
Catalogue No.	VQ-012132
CAS Number	3543-73-5
IUPAC name	ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate
Molecular formula	C₁₄H₁₉N₃O₂
Molecular weight	261.32 g/mol
Exact mass	261.1477
Purity / assay	98%
HSN code	29399900
InChIKey	JUMGOLYNZBZPKE-UHFFFAOYSA-N
SMILES	CCOC(=O)CCCC1=NC2=C(N1C)C=CC(=C2)N
PubChem CID	29983307

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	131-135 °C
LogP (XLogP3)	1.6
H-bond donors / acceptors	1 / 4
TPSA	70.1 Å²
Storage	2–8 °C
Synonyms	Ethyl 5-amino-1-methyl-1H-benzimidazole-2-butanoate, ethyl 4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate, 5-Amino-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester, 5-amino-1-methyl-2-Benzimidazolebutyric acid ethyl ester, ethyl 4-(5-amino-1-methyl-1H-benzimidazol-2-yl)butanoate, ethyl 4-(5-amino-1-methyl-1H-1,3-benzimidazol-2-yl)butanoate, 4-[5-amino-1-methylbenzimidazol-2-yl]butanoic acid ethyl ester, Ethyl 4-[5-amino-1-methyl-1H-benzimidazol-2-yl)butanoate, 5-AMino-1-Methyl-, ethyl 4-(5-amino-1-methyl-benzimidazol-2-yl)butanoate, Ethyl 4-(5-Amino-1-methyl-2-benzimidazolyl)butanoate, ethyl4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H332Harmful if inhaled
H340May cause genetic defects
H341Suspected of causing genetic defects
H350May cause cancer
H351Suspected of causing cancer
H360May damage fertility or the unborn child

Precautionary statements: P203, P261, P264, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P317, P318, P321, P330, P332 + P317, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98%?

The CAS Registry Number of 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% is 3543-73-5. It is also known as Ethyl 5-amino-1-methyl-1H-benzimidazole-2-butanoate, ethyl 4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate, 5-Amino-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester.

What is the molecular formula and molecular weight of 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98%?

1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% has the molecular formula C14H19N3O2 and a molecular weight of 261.32 g/mol. Its IUPAC name is ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate.

Which grade and pack sizes of 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% can I order?

We supply 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% in (98%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98%?

Yes. Every lot of 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% be shipped internationally?

Yes. 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should 1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester, 98% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.