1-Aminocyclopropanecarboxylic acid
1-Aminocyclopropanecarboxylic acid (CAS: 22059-21-8, C4H7NO2) is an uncommon alpha-amino acid featuring a cyclopropane ring. With a molecular weight of 101.10 g/mol, this compound serves as a valuable building block in organic synthesis. It is recognised for its role in biochemical pathways, particularly as a substrate for enzymes like aminocyclopropanecarboxylate oxidase. Its unique cyclic structure makes it a point of interest for researchers in medicinal chemistry and chemical biology.
- IUPAC
- ACPC

Biochemical Research
Utilised as a substrate in studies involving plant hormone biosynthesis, specifically ethylene production, owing to its role in the ACC oxidase pathway. It is also employed in investigations of enzyme mechanisms and protein structure.
Organic Synthesis
Serves as a chiral building block for the synthesis of complex molecules, including novel peptides and pharmaceutical intermediates. Its strained cyclopropane ring offers unique reactivity for synthetic chemists.
Medicinal Chemistry
Incorporated into the design of potential therapeutic agents due to its unnatural amino acid structure, which can confer altered pharmacological properties compared to natural amino acids.
| Molecular weight | 101.10 |
|---|---|
| Empirical formula | C4H7NO2 |
| Assay | ≥98.0% (NT) |
| Impurities tested | ≤10% water |
| Melting point | 229-231 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1-Aminocyclopropanecarboxylic acid used for?
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1-Aminocyclopropanecarboxylic acid is used in biochemical research, particularly in studies related to plant hormone biosynthesis and enzyme mechanisms. It also finds application as a building block in organic synthesis and medicinal chemistry for creating novel molecules.
What is the CAS number and chemical formula for 1-Aminocyclopropanecarboxylic acid?
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The CAS number is 22059-21-8 and the chemical formula is C4H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Aminocyclopropanecarboxylic acid with an assay of ≥98.0% (NT). This is a research/technical grade product and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 1-Aminocyclopropanecarboxylic acid be handled safely?
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1-Aminocyclopropanecarboxylic acid is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 dust mask. Ensure adequate ventilation.
How is 1-Aminocyclopropanecarboxylic acid packed, shipped, and exported?
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This product is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, a trusted supplier since 1998.
How can I request a sample or quote for 1-Aminocyclopropanecarboxylic acid?
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Please contact our sales team via the website or by phone to request a sample or a quotation for 1-Aminocyclopropanecarboxylic acid (CAS: 22059-21-8).
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