Tech Serve Solutions

L-Tryptophan

CAS 73-22-3C11H12N2O2Chemical Synthesis

L-Tryptophan (CAS: 73-22-3, C11H12N2O2) is an essential alpha-amino acid supplied by Tech Serve Solutions. With a molecular weight of 204.23 g/mol, it is a white crystalline powder. Sourced from non-animal origins, it meets EP, JP, and USP testing specifications and is suitable for cell culture applications. This compound is crucial in various biochemical pathways and research areas.

IUPAC
(S)-2-Amino-3-(3-indolyl)propionic acid,L-α-Amino-3-indolepropionic acid
Synonyms
(S)-2-Amino-3-(3-indolyl)propionic acidL-α-Amino-3-indolepropionic acid
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L-Tryptophan (C11H12N2O2) — chemical structure, CAS 73-22-3; Chemistry, fine chemical supplied by Tech Serve Solutions
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01 /Applications

Biochemical Research

L-Tryptophan serves as a fundamental building block for proteins and is a precursor to vital biomolecules, making it indispensable for cellular metabolism and biochemical studies.

Cell Culture Media

Its suitability for cell culture applications means L-Tryptophan is a valuable supplement in media formulations, supporting the growth and maintenance of various cell lines in research and biopharmaceutical development.

Analytical Standards

With a high assay of 99.0-101.0%, L-Tryptophan can be employed as an analytical standard in chromatography and other analytical techniques for accurate quantification and identification.

02 /Properties
Molecular weight204.23
Empirical formulaC11H12N2O2
Assay99.0-101.0%
Formpowder
Solubility1 M HCl: soluble10 mg/mL
Optical activity[α]20/D −31.5±1°, c = 1% in H2O
Loss on drying≤0.1% loss on drying, 20 °C (HV)
Melting point280-285 °C (dec.)(lit.)
Impurities testedendotoxin, tested
Suitabilitymeets EP, JP, USP testing specificationssuitable for cell culture
Biological sourcefrom non-animal source
03 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)1
Anion traceschloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg
Ignition residue≤0.1%

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
73-22-3
MDL number
MFCD00064340
PubChem substance
24900575
Beilstein registry
86197
05 /Additional specifications
Absorptionabsorption0.5M/326 nm, 0.5 M HCl cut-off
06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is L-Tryptophan used for?

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L-Tryptophan is used in biochemical research as an essential amino acid, as a precursor for biomolecules, and as a supplement in cell culture media. It also meets EP, JP, and USP testing specifications.

What is the CAS number and formula for L-Tryptophan?

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The CAS number for L-Tryptophan is 73-22-3, and its molecular formula is C11H12N2O2.

What grade and purity does Tech Serve Solutions supply for L-Tryptophan?

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Tech Serve Solutions supplies L-Tryptophan with an assay of 99.0-101.0%. It meets EP, JP, and USP testing specifications and is suitable for cell culture. TSS does not represent it as USP/BP/EP grade without explicit verification.

How should L-Tryptophan be handled safely?

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Handle L-Tryptophan with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Ensure good ventilation.

How is L-Tryptophan packed and shipped?

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L-Tryptophan is supplied as a powder and can be packed and exported globally by Tech Serve Solutions to meet customer requirements.

How can I request a sample or quote for L-Tryptophan?

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To request a sample or quote for L-Tryptophan, please contact our sales team through the website or by phone, providing your specific requirements.

Need L-Tryptophan in a specific grade or volume?