L-Tryptophan Amino Acid
Biotechnology Premium
Essential Amino Acid

L-Tryptophan Amino Acid

High-quality L-Tryptophan for cell culture, protein synthesis, and biochemical research. Premium grade essential amino acid manufactured for biotechnology applications and cell culture media formulation.

  • Essential Amino Acid
  • Cell Culture Compatible
  • Protein Synthesis Building Block
  • High Purity Grade
  • Biochemical Research Quality
  • Cell Culture Grade Standard

Technical Specifications

Chemical Name: L-Tryptophan
Molecular Formula: C₁₁H₁₂N₂O₂
Molecular Weight: 204.23 g/mol
CAS Number: 73-22-3
Assay: ≥98.5% (on dried basis)
Physical Form: White to off-white crystals
Optical Rotation: -30.0° to -32.8°
Melting Point: 289-291°C
Solubility: 11.4 g/L water at 25°C
Loss on Drying: ≤0.3%
Storage Temperature: Room temperature (dry place)
Packaging Options: 1g, 5g, 25g, 100g

Applications

Cell Culture Media
Protein Synthesis
Amino Acid Research
Peptide Synthesis
Biochemical Studies
Educational Research
Neuroscience Research
Molecular Biology
Plant Studies
Fluorescence Studies
Pharmaceutical Research
Quality Control

Industry-Specific Grades

DRAVYOM offers specialized L-Tryptophan grades tailored for specific amino acid and cell culture applications, ensuring optimal purity and regulatory compliance across diverse biotechnology requirements.

Research Grade
Assay: ≥98.5% Optical rotation: Verified Heavy metals: <20 ppm Application: General research
Cell Culture Grade
Assay: ≥99.0% Endotoxin: <0.1 EU/g Sterility: Assured Application: Cell culture
Ultra-Pure Grade
Assay: ≥99.5% Heavy metals: <5 ppm Other amino acids: <0.5% Application: Sensitive work
Pharmaceutical Grade
Assay: ≥98.5% (USP) USP: Compliant GMP: Validated Application: Drug development

Quality Standards

DRAVYOM's L-Tryptophan is manufactured under stringent quality control protocols, meeting international amino acid standards including USP specifications and cell culture requirements. Our amino acid production ensures consistent optical purity and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
USP Grade Specifications
≥98.5% Assay Verified
Optical Rotation Testing
Amino Acid Analysis
Microbiological Testing
Certificate of Analysis
Moisture-Controlled Storage

Advanced Chemical Properties & Performance

Biotechnology-grade L-Tryptophan exhibits exceptional properties essential for protein synthesis, neurotransmitter production, and metabolic research. Its ultra-pure composition and optical purity ensure reliable performance in demanding biochemical and pharmaceutical applications.

Chemical Properties
Molecular Formula: C₁₁H₁₂N₂O₂
Molecular Weight: 204.23 g/mol
CAS Number: 73-22-3
Amino Acid Type: Essential aromatic amino acid
Physical Properties
Appearance: White to off-white crystalline powder
Melting Point: 289-290°C (decomposes)
Solubility (water): 11.4 g/L at 25°C
pH (saturated solution): 5.9
Optical Properties
Optical Rotation: [α]D²⁰ = -31.5° to -33.2° (c=1, H₂O)
Enantiomeric Purity: L-isomer ≥ 99%
UV Absorption: λmax = 280 nm (indole ring)
Fluorescence: Excitation 280 nm, Emission 348 nm
Purity Specifications
Purity: ≥ 98.5% (HPLC)
Heavy Metals: ≤ 10 ppm
Loss on Drying: ≤ 0.3%
Residue on Ignition: ≤ 0.1%
Stability Properties
Shelf Life: 3 years in dry conditions
Light Sensitivity: Store in dark containers
Heat Stability: Stable to 200°C (dry)
pH Stability: Stable pH 4-8

Performance Characteristics

Detailed performance metrics demonstrate Biotechnology Grade L-Tryptophan superiority in biochemical research with exceptional optical purity, protein incorporation efficiency, and reproducibility across diverse biological applications.

Protein Synthesis

Incorporation efficiency: >99% in translation

Essential amino acid role
Metabolic Activity

Enzyme substrate: High specificity

Serotonin precursor pathway
Cell Culture Performance

Growth support: Essential nutrient

Complete media formulation
Stability Range

Working temperature: 4-37°C

Biological temperature stable
Optical Purity

L-isomer content: >99%

Biologically active form
Solution Stability

Aqueous solutions: Stable for days

Reliable formulation

Safety Information

Generally regarded as safe with minimal hazards as it is a natural amino acid. May cause mild irritation upon direct contact with eyes or skin. Use standard laboratory safety practices including safety goggles and gloves. Avoid inhalation of powder.

Natural Product
Generally Safe
Food Grade Available

Storage & Handling

Store in cool, dry place in tightly sealed containers away from light and moisture. Handle with standard laboratory protective equipment. Solutions should be prepared fresh or stored refrigerated for short periods. Protect from UV light to prevent degradation.

Store at room temperature
Protect from light
Keep dry (hygroscopic)
Solutions stable at 4°C

Chemical Mechanisms & Reaction Pathways

L-Tryptophan exhibits essential amino acid properties through its indole side chain and amino-carboxyl functionality, enabling precise protein synthesis and metabolic pathway participation with predictable biochemical interactions.

Protein Synthesis

Essential amino acid incorporation into polypeptide chains

Critical for cellular protein production
Serotonin Pathway

Precursor to serotonin and other neurotransmitters

Important for neurobiological research
UV Fluorescence

Natural fluorescence enables protein detection and quantification

Useful for analytical applications
Metabolic Conversion

Converts to tryptamine, IAA, and other bioactive molecules

Key for metabolic studies

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global biotechnology laboratory access with complete documentation packages supporting international standards and biochemical method validations.

Cell Culture Grade

Ultra-pure specifications for cell culture applications

ISO 6353 Standard

International standard for reagent specifications and testing

USP Grade Available

United States Pharmacopeia specifications for pharmaceutical research

REACH Registration

European Union chemical regulation compliance

Method Validation

Supported biochemical method validation documentation

SDS Documentation

Multi-language Safety Data Sheets (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's biochemistry team provides comprehensive method support, troubleshooting assistance, and biotechnology services to optimize L-Tryptophan performance in your specific biochemical applications.

Method Development
  • Media formulation optimization support
  • Concentration and stability guidance
  • Protein expression validation
  • Custom amino acid solutions
Analytical Services
  • Certificate of Analysis verification
  • Chiral purity analysis
  • Heavy metal contamination testing
  • Microbiological validation
Technical Support
  • Cell culture troubleshooting consultation
  • Storage and stability guidance
  • Sterile technique training
  • Laboratory best practices
Supply Solutions
  • Consistent lot scheduling
  • Emergency supply arrangements
  • Custom packaging options
  • Cold chain distribution

Environmental Impact & Sustainability

Our L-Tryptophan production emphasizes environmental responsibility through sustainable manufacturing practices, waste minimization, and comprehensive environmental impact management for biochemical laboratory operations.

Waste Minimization

Optimized production with minimal waste generation

Water Treatment

Advanced wastewater treatment and recycling systems

Clean Production

Energy-efficient synthesis with emission controls

Safe Disposal

Comprehensive guidance for laboratory waste management

ISO 14001

Environmental management system certified production

Container Recycling

Container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art biotechnology facility employs advanced purification technology and continuous monitoring systems to ensure consistent L-Tryptophan quality and performance across all production batches.

Production Process

Advanced crystallization and purification in controlled sterile environment

Multi-stage purification for cell culture grade quality
Quality Testing

Comprehensive testing including chiral purity, heavy metals, and microbiological analysis

Optical rotation and HPLC verification
Quality Systems

ISO 9001:2015 quality management with biochemistry laboratory accreditation

Continuous improvement and bioprocess validation
Packaging Control

Light-resistant containers with controlled atmosphere packaging

UV protection and oxidation prevention

Market Applications & Performance Data

Comprehensive biochemistry laboratory data demonstrating L-Tryptophan effectiveness across diverse applications with quantified performance metrics and cell culture method validations.

Cell Culture Labs
Cell Growth: >98% viability in defined media Optical Purity: >99% L-form by chiral analysis Protein Expression: Enhanced recombinant protein yields
Research Institutions
Publication Support: 600+ cited protocols Reproducibility: >99% inter-lab agreement Innovation: Custom amino acid formulations
Biotech Companies
Reliability: 99.9% lot consistency Audit Success: 100% regulatory compliance Efficiency: 25% improved media performance

DRAVYOM Competitive Advantages

Superior Purity

Consistently exceeds cell culture specifications with ultra-low contaminants and exceptional optical purity

Reliable Supply

Guaranteed availability with strategic inventory management and cell culture-grade production scheduling

Biochemistry Expertise

Dedicated amino acid team provides media development and troubleshooting support

Quality Assurance

Traceable certificates with comprehensive chiral analysis and validation support

Global Standards

International compliance with cell culture and USP specifications for worldwide acceptance

Partnership Approach

Collaborative relationships with biochemistry laboratories and custom formulation services