(S)-(−)-3-Aminopyrrolidine
(S)-(−)-3-Aminopyrrolidine (CAS: 128345-57-3), a chiral heterocyclic compound with the formula C4H10N2 and a molecular weight of 86.14 g/mol, is a valuable building block in organic synthesis. It is predominantly utilised in asymmetric synthesis for the construction of complex molecules, including pharmaceuticals and agrochemicals. Its chiral nature makes it instrumental in creating stereospecific products, offering a reliable route to enantiomerically pure compounds.

Chiral Building Block
Serves as a key chiral intermediate in the synthesis of complex organic molecules, particularly in pharmaceutical research and development. Its pyrrolidine structure with a stereogenic centre is essential for building enantiomerically pure drug candidates and other fine chemicals.
Asymmetric Synthesis
Utilised in asymmetric catalytic reactions and stereoselective synthesis to control the formation of specific enantiomers. It is employed in the development of novel synthetic methodologies requiring chiral amines.
Heterocyclic Chemistry
A versatile reagent in heterocyclic chemistry for the preparation of substituted pyrrolidines and more complex nitrogen-containing ring systems. These structures are prevalent in many biologically active compounds.
| Molecular weight | 86.14 |
|---|---|
| Empirical formula | C4H10N2 |
| Assay | 98% |
| Boiling point | 164-165 °C(lit.) |
| Density | 0.967 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.488(lit.) |
| Optical activity | [α]20/D −20°, neat |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 68 °C / 154.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| 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 (S)-(−)-3-Aminopyrrolidine used for?
+
(S)-(−)-3-Aminopyrrolidine is primarily used as a chiral building block in asymmetric synthesis and heterocyclic chemistry, especially for creating enantiomerically pure compounds in pharmaceutical and agrochemical research.
What are the CAS number and formula for (S)-(−)-3-Aminopyrrolidine?
+
The CAS number for (S)-(−)-3-Aminopyrrolidine is 128345-57-3 and its empirical formula is C4H10N2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies (S)-(−)-3-Aminopyrrolidine with an assay of 98%. This product is supplied for research and laboratory use and is not intended for pharmaceutical, food, or other applications requiring pharmacopoeia compliance.
How should (S)-(−)-3-Aminopyrrolidine be handled safely?
+
Handle (S)-(−)-3-Aminopyrrolidine with appropriate personal protective equipment, including eyeshields and gloves. It is classified as an irritant to skin, eyes, and the respiratory tract (H315, H319, H335), and requires adequate ventilation.
Is (S)-(−)-3-Aminopyrrolidine a controlled substance?
+
The provided data does not indicate that (S)-(−)-3-Aminopyrrolidine is a controlled substance.
How is (S)-(−)-3-Aminopyrrolidine shipped and exported?
+
Tech Serve Solutions, as a global supplier, handles the packing, shipping, and export of (S)-(−)-3-Aminopyrrolidine in compliance with all relevant regulations for chemical substances.
How can I request a quote or sample of (S)-(−)-3-Aminopyrrolidine?
+
To request a quote or sample of (S)-(−)-3-Aminopyrrolidine, please use the contact form on the Tech Serve Solutions website or contact our sales department directly.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis