(1S,2R)-cis-N-Boc-2-aminocyclopentanol
(1S,2R)-cis-N-Boc-2-aminocyclopentanol (CAS 1330069-67-4) is a chiral organic building block with the molecular formula C10H19NO3 and a molecular weight of 201.26 g/mol. This tert-butoxycarbonyl protected aminocyclopentanol derivative is valuable in asymmetric synthesis. It serves as a key intermediate in the preparation of complex organic molecules and pharmaceutical compounds, offering specific stereochemical control in synthetic pathways.
- IUPAC
- (1S,2R)-N-tert-Butoxycarbonyl-2-aminocyclopentanol,tert-Butyl (1R,2S)-2-hydroxycyclopentylcarbamate
- Synonyms
- tert-Butyl (1R,2S)-2-hydroxycyclopentylcarbamate(1S,2R)-N-tert-Butoxycarbonyl-2-aminocyclopentanol

Chiral Building Block
Serves as a stereochemically defined intermediate in the synthesis of chiral target molecules. Its specific (1S,2R) configuration is crucial for introducing desired chirality in complex organic structures.
Asymmetric Synthesis
Utilised in enantioselective synthesis processes to create molecules with a specific stereoisomer. The protected amino alcohol moiety allows for diverse chemical transformations while maintaining stereochemical integrity.
Pharmaceutical Intermediate
A valuable component in the multi-step synthesis of active pharmaceutical ingredients (APIs). It enables the construction of intricate molecular frameworks required for medicinal chemistry applications.
Organic Synthesis Reagent
Employed in academic and industrial research for the development of novel organic compounds. Its functional groups allow for subsequent derivatisation and incorporation into larger molecular architectures.
| Molecular weight | 201.26 |
|---|---|
| Empirical formula | C10H19NO3 |
| Assay | ≥97% (GC) |
| Optical purity | enantiomeric excess: ≥98% (GC) |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 (1S,2R)-cis-N-Boc-2-aminocyclopentanol used for?
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(1S,2R)-cis-N-Boc-2-aminocyclopentanol is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in the preparation of complex organic molecules, including pharmaceutical compounds.
What is the CAS number and formula for (1S,2R)-cis-N-Boc-2-aminocyclopentanol?
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The CAS number for (1S,2R)-cis-N-Boc-2-aminocyclopentanol is 1330069-67-4. Its molecular formula is C10H19NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (1S,2R)-cis-N-Boc-2-aminocyclopentanol with an assay of ≥97% (GC) and an optical purity of enantiomeric excess ≥98% (GC). This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
What are the safety considerations for handling this chemical?
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This compound is classified as a Warning (GHS07) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
Is this chemical a controlled substance?
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The provided data does not indicate that (1S,2R)-cis-N-Boc-2-aminocyclopentanol is a controlled substance.
How is this chemical packed and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging for the safe handling, storage, and international shipment of (1S,2R)-cis-N-Boc-2-aminocyclopentanol, adhering to all relevant regulations.
How can I request a sample or quote?
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To request a sample or obtain a quote for (1S,2R)-cis-N-Boc-2-aminocyclopentanol, please contact our sales department through the website or by calling our customer service line.
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