• ADVANCED SEARCH
  • STRUCTURE SEARCH
  • CERT OF ANALYSIS
  • SDS SEARCH
Sigma-Aldrich ®
    VIEW ALL SEARCH RESULTS
Type in Product Names, Product Numbers, or CAS Numbers to see suggestions.
  • Products
    • ANALYTICAL / CHROMATOGRAPHY »
    • Standards & Reference Materials
    • Gas Chromatography
    • HPLC & UHPLC
    • LC-MS
    • LPLC, TLC & Paper Chromatography
    • Mobile Laboratory
    • Photometry
    • Spectroscopy
    • Sample Prep & Purification
    • Titration & Karl Fischer
    • CHEMISTRY »
    • Acids & Bases
    • Catalysis & Inorganics
    • Chemical Synthesis
    • Chemistry Libraries
    • Heterocyclic Building Blocks
    • Organic Building Blocks
    • Organometallics
    • Salts
    • Solvents
    • Stable Isotopes
    • NEW PRODUCTS »
    • LIFE SCIENCE »
    • Antibodies
    • Biochemicals & Reagents
    • Biological Buffers
    • Cell Biology
    • Cell Culture
    • CRISPR
    • Enzymes, Inhibitors & Substrates
    • Microbiology
    • Molecular Biology
    • Open Reading Frame (ORF)
    • PCR & Amplification
    • Peptide Information
    • RNAi
    • Synthetic Biology
    • ZFN
    • MATERIALS SCIENCE »
    • Organic & Printed Electronics
    • Metal & Ceramic Science
    • Micro/Nano Electronics
    • Polymer Science
    • GREEN ALTERNATIVES »
    • OLIGOS & qPCR PROBES »
    • Order Now
    • Custom DNA Oligos
    • SYBR® Green Primers
    • Custom qPCR Probes
    • Predesigned Probes
    • Custom & Predesigned siRNA
    • PHARMA & BIOPHARMA MANUFACTURING »
    • Biopharmaceutical Expression Systems
    • Bioprocess Products & Services
    • Formulation Development & Manufacturing
    • APIs & Contract Manufacturing Services
    • LABWARE »
    • Corning
    • Aldrich
    • Cytiva
    • EMD Millipore
    • Water Purification Systems
  • Service
    • SERVICES OFFERED »
    • Milli-Q® Services
    • LANEXO™ System
    • Emprove® Program
    • Basic Research
    • Product & Process Development
    • Manufacturing & Production
    • Regulatory Compliance
    • Facility Operations
    • Microbiology Services
    • CUSTOM CAPABILITIES »
    • Drug & Process Development
    • Genomic Solutions
    • Analytical / Chromatography
    • Production Materials
  • Industries
    • Academic Research
    • Agriculture
    • Biotechnology
    • Cell Therapy Manufacturing
    • Chemical Manufacturing
    • Clinical Diagnostics
    • Cosmetics & Personal Care
    • Diagnostic Manufacturing
    • Environmental & IH
    • Flavors & Fragrances
    • Food & Beverage
    • Forensic Testing
    • mAb Manufacturing
    • Medical Materials
    • Pharma Drug Screening
    • Pharma Manufacturing
    • Pharma Oncology
    • Pharma QC
    • Production Materials
    • Tissue Diagnostics
    • Vaccines
    • SDS
    • Certificates
    • Customer Support
    • Technical Service
    • Quality & Regulatory Management
    • Web Help
    • Web Toolbox
    • Worldwide Offices
Print

USA Home > Product Directory > Chemical Synthesis > Asymmetric Synthesis > Chiral Building Blocks > Heterocyclic Building Blocks > Piperazines

  • Chemistry Products
  • New Chemistry Products
  • Chemical Synthesis
  • Classical Lab Chemicals
  • Discovery Chemistry & Services
  • Flavors & Fragrances
  • Greener Alternatives
  • Medicinal Chemistry
  • Products for the Petrochemical Industry
  • Phosphoramidites and Reagents
  • Production Materials
  • Solvent Center
  • Stable Isotopes
  • Research Chemicals
  • Synthia™ Organic Retrosynthesis Software
  • Labware
  • Materials Science
  • Aldrichimica Acta Subscription
  • Bader Award for Student Innovation
  • Pricing & availability is not currently available.

    Questions? Contact Customer Service

Piperazines

Product #

Image

Description

Molecular Formula

Add to Cart

51989 (R)-3-Methyl-2-ketopiperazine ≥99.0% (GC) C5H10N2O
  • pricing
  • 73525 (S)-3-Methyl-2-ketopiperazine ≥99.0% (GC) C5H10N2O
  • pricing
  • 67176 (R)-2-Piperazinecarboxylic acid dihydrochloride ≥98.0% C5H10N2O2 · 2HCl
  • pricing
  • 397164 (R)-(−)-2-Methylpiperazine 97% C5H12N2
  • pricing
  • 397172 (S)-(+)-2-Methylpiperazine 99% C5H12N2
  • pricing
  • 448362 (R)-(−)-3-Isopropyl-2,5-piperazinedione 97% C7H12N2O2
  • pricing
  • 59732 (S)-3-Isopropyl-2,5-piperazinedione ≥99.0% (sum of enantiomers, HPLC) C7H12N2O2
  • pricing
  • 20550 (S)-3-tert-Butyl-2,5-piperazinedione ≥99.0% (CHN) C8H14N2O2
  • pricing
  • 674761 (R)-1-Boc-3-methylpiperazine 97% C10H20N2O2
  • pricing
  • 63207 (S)-1-Boc-3-methylpiperazine ≥98% C10H20N2O2
  • pricing
  • 421650 (2S-cis)-(−)-5-Benzyl-3,6-dioxo-2-piperazineacetic acid 97% C13H14N2O4
  • pricing
  • 472905 (R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetic acid 97% C15H17N3O6
  • pricing

  • Web Toolbox - Calculators, Selectors and Explorers
    Structure Search - JME Editor
    General Help - Contact Customer Support
    Ask a scientist - Contact Technical Service
    Service & Support
    • Customer Support
    • Technical Service
    • Web Help Desk
    • SDS
    • C of A
    Ordering
    • Custom Products
    • eCommerce Solutions
    • Order Center
    • Products
    • Terms & Conditions of Sale
    Corporate
    • Business Development
    • Worldwide Offices
    • About Us
    • Site Map
    • Careers
    • Events
    • Programs
    • Reach Regulations
    • Contact Us
    • Email Subscription Center
    • Tool Box
    • Trademarks

    © 2021  Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved. Reproduction of any materials from the site is strictly forbidden without permission. Sigma-Aldrich Products are sold exclusively through Sigma-Aldrich, Inc. Copyright Consent | Site Use Terms | Privacy

    • Instragram
    • Twitter
    • LinkedIN
    • Facebook