Fmoc-D-leucine Bulk Supply for Industrial Use

China Factory Direct
CAS number 114360-54-2
Product name Fmoc-D-leucine
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Pharmaceutical GradeMaterial GradeSpecialty GradeReagent Grade
Packaging 25KG/bag500KG/bag1000KG/bag
Sample Test Samples Available (Click to Request Samples)
COA View COA
Price Get Quote
Supply Type Bulk / Contract manufacturing / OEM
Shipping FCL / LCL available
Payment Terms Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C).
Manufacturer Greenrock Chemical(China Factory)
Ordering Procedure & Service Assurance
Inquiry
Inquiry
Submit requirements
Quotation
Quotation
Clear pricing
Spec
Spec Confirmation
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Sample
Sample Testing
Verify quality
Order
Order
Secure deal
Delivery
Delivery
On-time
Spec Confirmation
Sample Testing
Contract Protection
QC Inspection
On-time Delivery

QUOTE TYPE

FOB (Free On Board)
CIF (Cost, Insurance, Freight)
EXW (Ex Works)

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Sea Freight

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CAS No:114360-54-2
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Documents We Provide for Fmoc-D-leucine

COA TDS SDS NMR MOA Certificate of Origin Transport Report TSCA Declaration Production Flow Chart
Pre-sale: Only COA, SDS and NMR are available.
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Fmoc-D-leucine Supplier from China

17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.

Industrial Applications of Fmoc-D-leucine

Industry Application Process
Pharmaceutical Synthesis Intermediate in the synthesis of peptide-based drugs Used in solid-phase peptide synthesis (SPPS)
Biopharmaceuticals Preparation of targeted therapeutics and biologics Applied in liquid-phase peptide synthesis
Chemical Reagents Amino acid derivatization reagent for analytical chemistry Fmoc protecting group introduction and removal
Materials Science Synthesis of functional peptide materials Employed in molecular self-assembly techniques
Research Protein structure and function studies Biomacromolecule synthesis and modification

Manufacturing Quality Control of Fmoc-D-leucine

Test Item Common Testing Methods Method Overview
Appearance Visual Inspection Observe the sample's color, physical state (e.g., white to off-white crystalline powder), and presence of foreign matter with the naked eye to determine compliance with appearance requirements.
Identification Infrared Spectroscopy (IR)
High-Performance Liquid Chromatography (HPLC)
Mass Spectrometry (MS)
- IR: Measure the infrared absorption spectrum and compare with reference spectra to confirm structural characteristics.
- HPLC: Confirm identity by comparing retention time with a reference standard under specified chromatographic conditions.
- MS: Confirm molecular weight and structure through molecular ion and fragment ion peaks.
Assay High-Performance Liquid Chromatography (HPLC) Use a reversed-phase C18 column with an appropriate mobile phase (e.g., acetonitrile-water system containing ion-pair reagents such as trifluoroacetic acid) under isocratic or gradient elution. Detection is performed using a UV detector (typically at 210 nm or 220 nm), and the content of Fmoc-D-leucine is calculated using the external standard method.
Related Substances (Impurities) High-Performance Liquid Chromatography (HPLC) Apply a high-resolution reversed-phase HPLC method to detect and quantify possible impurities such as Fmoc-D-leucine isomers (L-form), deprotected products (D-leucine), Fmoc-OH, and synthetic by-products. Area normalization or main component self-reference methods are typically used.
Specific Optical Rotation Polarimetry Prepare a solution of defined concentration (e.g., 1% w/v, commonly in DMF or methanol), measure optical rotation at a specified temperature and wavelength (usually the sodium D-line, 589 nm), and calculate specific optical rotation to verify D-configuration purity.
Water Content Karl Fischer Titration Determine the water content accurately using volumetric or coulometric Karl Fischer titration to control mass variation caused by hygroscopicity.
Residual Solvents Gas Chromatography (GC) Based on ICH Q3C guidelines, analyze residual organic solvents (e.g., dichloromethane, DMF, ethanol, diethyl ether) possibly present from synthesis or purification using headspace or direct injection GC methods.
Melting Point Capillary Melting Point Method Determine the melting temperature range of the sample using a melting point apparatus, serving as an auxiliary indicator of purity and crystal form.
pH Value (if applicable) pH Meter Method If the sample is used in solution for specific applications, measure the pH in water or a specified solvent to assess the influence of acidic or basic impurities.

Technical Specifications of Fmoc-D-leucine

Test Item Specification
Appearance Off-white solid
Purity >=98.0% (LC-MS)
Optical Rotation +22.0 to +28.0 deg (c=1, DMF)
Melting Point 75.0 to 79.0 °C
Water Content (KF) <=0.5%
Total Impurities <=2.0%
Single Impurity <=0.5%
Heavy Metals <=10 ppm
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com

Download COA of Fmoc-D-leucine

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NMR Spectra of Fmoc-D-leucine

Safety Information of Fmoc-D-leucine

Pictograms
Signal Word Warning
Safety Data Sheet

Packaging of Fmoc-D-leucine

We have a diverse range of chemicals in stock. Available in Bagged goods (25 kg.),Big bags (500 kg.), Big bags (1000 kg.).

Industrial Fmoc-D-leucine Procurement FAQ

1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.

2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.

3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.

4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.

5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.

6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.

7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.

8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.

9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.

Industrial
Use
Bulk
Supply
Factory
Direct
ISO 9001
Certified
Samples
Available
Stable
Supply