FMOC-LEU-OSU Bulk Supply for Industrial Use

China Factory Direct
CAS number 76542-83-1
Product name FMOC-LEU-OSU
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Pharmaceutical GradeMaterial GradeSpecialty GradeReagent Grade
Packaging 25KG/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
Avoid mismatch
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:76542-83-1
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Documents We Provide for FMOC-LEU-OSU

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-LEU-OSU Supplier from China

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

Industrial Applications of FMOC-LEU-OSU

Industry Application Process
Pharmaceuticals Protected amino acid for peptide synthesis Protects side-chain amino groups in solid-phase peptide synthesis
Chemical Reagents Reagent for organic synthesis reactions Participates in coupling reactions as an N-hydroxysuccinimide ester
Materials Science Building block for functional materials Used as a molecular building block in the design and synthesis of polymers or functional materials
Biotechnology Reagent for protein modification or labeling Introduces specific functional groups in site-directed chemical modification

Manufacturing Quality Control of FMOC-LEU-OSU

Detection Item Common Analytical Method Method Overview
Assay (Purity) HPLC-UV Quantifies main component using reversed-phase HPLC with UV detection at 268 nm based on peak area comparison against reference standard.
Related Substances HPLC-UV Detects and quantifies structurally related impurities (e.g., FMOC-L-leucine, NHS ester hydrolysis products) using gradient HPLC and UV detection.
Residual Solvents GC-FID Determines trace levels of solvents (e.g., DMF, DCM, toluene) by gas chromatography with flame ionization detection using headspace sampling.
Water Content Karl Fischer Titration Measures water content volumetrically or coulometrically via iodine-based redox reaction specific to water.
Optical Rotation [alpha]D Measurement Determines specific optical rotation using a polarimeter to confirm chiral integrity and enantiomeric purity.
Residual Metals (e.g., Pd, Ni, Fe) ICP-MS Quantifies trace metal catalyst residues by inductively coupled plasma mass spectrometry after acid digestion.
Chloride Content Ion Chromatography Separates and quantifies chloride ions using suppressed conductivity detection after aqueous extraction.
pH of Solution Potentiometric pH Measurement Measures hydrogen ion activity in a standardized suspension or solution using calibrated pH electrode.
Melting Point Capillary Melting Point Apparatus Determines temperature range at which solid transitions to liquid, indicating crystallinity and purity.
Loss on Drying Gravimetric Thermal Analysis Measures mass loss upon heating under controlled conditions to assess volatile content and residual solvents.
Particle Size Distribution Laser Diffraction Analyzes size distribution of solid particles in suspension using angular scattering pattern of laser light.
Microbial Limits Membrane Filtration and Plate Count Detects and enumerates aerobic microorganisms by filtration, membrane transfer to agar media, and colony enumeration.

Technical Specifications of FMOC-LEU-OSU

Test Item Specification
Appearance White to off-white crystalline powder
Purity >=98.5%
Total Impurities <=1.5%
Single Impurity <=0.5%
Water Content (KF) <=0.5%
Melting Point 128°C to 132°C
Optical Rotation -20.0° to -24.0° (c=1, in DMF)
Residue on Ignition <=0.1%
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-LEU-OSU

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Safety Information of FMOC-LEU-OSU

Pictograms
Signal Word Warning
Safety Data Sheet

Packaging of FMOC-LEU-OSU

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-LEU-OSU 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