(S)-(+)-1-Methyl-3-pyrrolidinol
(S)-(+)-1-Methyl-3-pyrrolidinol (CAS: 104641-59-0), with the molecular formula C5H11NO and a molecular weight of 101.15, is a chiral pyrrolidine derivative. This optically active compound serves as a valuable building block in asymmetric synthesis and heterocyclic chemistry. Its defined stereochemistry makes it suitable for the development of enantiomerically pure pharmaceuticals and other complex organic molecules.
- IUPAC
- (S)-(+)-3-Hydroxy-N-methylpyrrolidine

Chiral Building Block in Synthesis
(S)-(+)-1-Methyl-3-pyrrolidinol is a key intermediate in the enantioselective synthesis of complex organic molecules. Its chiral nature allows for the introduction of specific stereocentres in target compounds.
Asymmetric Synthesis Reagent
This compound finds application in asymmetric synthesis, enabling chemists to construct chiral molecules with high stereochemical control. It is particularly useful in the development of new pharmaceuticals and agrochemicals.
Heterocyclic Chemistry Intermediate
As a substituted pyrrolidine, it serves as a versatile starting material for the synthesis of various heterocyclic compounds. These structures are prevalent in many biologically active molecules.
| Molecular weight | 101.15 |
|---|---|
| Empirical formula | C5H11NO |
| Assay | 95% |
| Boiling point | 181-182 °C(lit.) |
| Density | 0.993 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4660(lit.) |
| Optical activity | [α]20/D +6°, c = 1 in chloroform |

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 | 88 °C / 190.4 °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)-(+)-1-Methyl-3-pyrrolidinol used for?
+
(S)-(+)-1-Methyl-3-pyrrolidinol is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in heterocyclic chemistry for the construction of complex organic molecules.
What is the CAS number and formula for (S)-(+)-1-Methyl-3-pyrrolidinol?
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The CAS number is 104641-59-0 and the molecular formula is C5H11NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(+)-1-Methyl-3-pyrrolidinol with an assay of 95%. We do not represent this product as meeting pharmacopoeia standards such as USP, BP, or EP.
How should (S)-(+)-1-Methyl-3-pyrrolidinol be handled?
+
(S)-(+)-1-Methyl-3-pyrrolidinol is a Warning substance classified with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be worn. Handle in a well-ventilated area or use a suitable respirator.
How is (S)-(+)-1-Methyl-3-pyrrolidinol packed and shipped?
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(S)-(+)-1-Methyl-3-pyrrolidinol is shipped according to relevant transportation regulations, identified as NA 1993 / PGIII. Further details on specific packaging and export capabilities can be provided upon request.
How can I request a sample or quote for (S)-(+)-1-Methyl-3-pyrrolidinol?
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To request a sample or a quotation for (S)-(+)-1-Methyl-3-pyrrolidinol, please contact our sales department through the website or by phone.
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