• 163927-30-8 (S)-(+)-NBD-Py-NCS [=(S)-(+)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole] [HPLC Labeling Reagent for e.e. Determination] - AMI Scientific
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TCI

CAS 163927-30-8

(S)-(+)-NBD-Py-NCS [=(S)-(+)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole] [HPLC Labeling Reagent for e.e. Determination] TCI A5578

(S)-(+)-NBD-Py-NCS [=(S)-(+)-4-(3-Isothiocyanatopyrrolidin-1-yl)-7-nitro-2,1,3-benzoxadiazole] [HPLC Labeling Reagent for e.e. Determination] TCI A5578

Chemical Identity

Other names
(S)-(+)-NBD-Py-NCS
CAS No.
163927-30-8
PubChem
CID 16218824·SID 87563195
Formula
C11H9N5O3S
Molecular weight
291.29 g/mol
Purity
>98.0%(HPLC)
Full identifiers (IUPAC, SMILES, InChIKey)
IUPAC
7-[(3S)-3-isothiocyanatopyrrolidin-1-yl]-4-nitro-2,1,3-benzoxadiazole
SMILES
C1CN(C[C@H]1N=C=S)C2=CC=C(C3=NON=C23)[N+](=O)[O-]
InChIKey
CHKCHHTYBXOUKH-ZETCQYMHSA-N
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(S)-(+)-NBD-Py-NCS is a specialized chemical reagent used in quantitative analysis to determine the enantiomeric excess (e.e.) of optically active compounds. This reagent plays a critical role in analytical chemistry laboratories, particularly in the field of chiral analysis. It is widely used in High-Performance Liquid Chromatography (HPLC) to enhance the resolution of enantiomers by forming fluorescent derivatives. Its application is essential for researchers seeking precise and reliable data in complex analytical tasks.

The key properties that make (S)-(+)-NBD-Py-NCS a preferred choice include its high sensitivity, selectivity, and stability under controlled laboratory conditions. It reacts with optically active compounds to form fluorescent complexes, enabling clear detection and quantification of enantiomers. This reagent's ability to produce distinct fluorescence signals allows for accurate and reproducible results. Additionally, its chemical stability ensures consistent performance across multiple analyses, making it a reliable tool in both academic and industrial settings.

In Indonesian laboratories, (S)-(+)-NBD-Py-NCS is commonly used in pharmaceutical and organic chemistry research. It supports the analysis of drug purity, chiral purity, and quality control of chemical products. Its application is particularly relevant in research institutions and industries that require precise analytical data for product development and regulatory compliance. The reagent's reliability and effectiveness make it a preferred choice for analytical chemists in Indonesia.

Advantages (TCI brochure)

  • Reacts with amino groups bonded to an asymmetric carbon, forming diastereomers
  • Both (R) and (S) reagent isomers are commercially available
  • Enantiomer choice can change elution order of diastereomers
  • Allows minor enantiomer to be eluted first and quantified with high precision

TCI brochures (PDF)

Related TCI products

  • Enantiomer Analysis in Pharmaceutical Research: This reagent is ideal for analyzing chiral compounds in drug development, providing accurate e.e. measurements that are crucial for ensuring drug efficacy and safety.
  • Quality Control in Chemical Manufacturing: It enables precise determination of enantiomeric purity in industrial chemical production, ensuring product consistency and compliance with regulatory standards.
  • HPLC Method Development for Chiral Separations: Its fluorescent properties make it suitable for optimizing HPLC methods to achieve better resolution and detection of enantiomers in complex mixtures.
  • Academic Research in Organic Chemistry: It supports studies on chiral compounds, helping researchers understand stereochemical behavior and reaction mechanisms in synthetic pathways.
  • Environmental and Forensic Analysis: It is used to detect and quantify chiral pollutants or compounds in environmental and forensic samples, offering high sensitivity and specificity.

From the TCI brochure

  • Optical purity determination of chiral amines
  • Reports of application to Edman Degradation

Brand TCI
CAS number 163927-30-8
Molecular formula —
Purity —
Category Analytical Chemistry > Analytical Reagents > Derivatization Reagents
Pack sizes Available in various quantities as per supplier specifications
Physical form Solid or powder, depending on formulation
Storage Store in a cool, dry place away from light and moisture

Data from the TCI brochure

Excitation wavelength488 nm (Fluorescence detection of diastereomer thioureas)
Emission wavelength590 nm (Fluorescence detection of diastereomer thioureas)
ColumnKaseisorb LC ODS 2000, 4.6 mm I.D. x 150 mm (Chromatogram of amino acids)
Mobile phaseCH3CN / H2O = 40 / 60 containing 0.05% TFA; 1 mL/min (Temperature 30 ºC)

Source: TCI brochure A1096 (2026-03-10)

This reagent should be stored in a cool, dry environment, away from direct sunlight and moisture to maintain its stability and effectiveness. It is recommended to use airtight containers to prevent exposure to air and humidity, which can affect its performance. Proper labeling of storage containers is essential to ensure safe handling and prevent cross-contamination. Laboratory personnel should wear appropriate personal protective equipment, such as gloves and safety goggles, when handling the reagent. It is important to keep the reagent in a well-ventilated area to minimize inhalation risks. Regular monitoring of storage conditions ensures that the reagent remains in optimal condition for analytical use.

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