Description
7-Bromo-L-tryptophan is a halogenated aromatic amino acid offered at min. 95 % purity, with CAS number 75816-19-2 and empirical formula C₁₁H₁₁BrN₂O₂. Its molar mass is 283,12 g/mol. Bromination at the 7-position of the indole ring creates a versatile handle for cross-coupling, labelling and structure–activity studies while retaining the L-tryptophan backbone. The defined stereochemistry and bromine substitution support site-selective modification strategies, including metal-catalysed couplings and incorporation into synthetic peptides. Laboratories working on fluorescent or affinity-tagged amino acids, enzyme-substrate mapping and specialised building-block libraries can integrate 7-bromo-L-tryptophan into established solid-phase or solution-phase workflows. Assay and identity data align with the stated min. 95 % grade for controlled laboratory use.
This article is part of Amino acids & peptides, in Organic chemicals & synthesis reagents.
Key features
- Purity (GC): reported (%)
- Purity (HPLC): reported (%)
- IR-spectrum: corresponds to reference spectrum
- pH value: reported ()
- Assay (TLC): reported (%)
- Content (acidim.): reported (%)
- Assay: reported (%)
- Melting point: reported (°C)
- Colour: reported
- Form: reported
- CAS number: 75816-19-2
- Pack sizes: 25 mg, 50 mg, 100 mg, 250 mg, 500 mg
- Purity: min. 95 %
- Empirical formula: C₁₁H₁₁BrN₂O₂
- Molar mass: 283,12 g/mol
- Storage temperature: +2 to +8 °C
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
WarningHazard Statements (H-Phrases)
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Questions about 7-Bromo-L-tryptophan, min. 95 %, 25 mg
What is this article?
7-Bromo-L-tryptophan, min. 95 %, 25 mg is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Amino acids & peptides, inside Organic chemicals & synthesis reagents, in Lab chemicals.
An amino acid or a peptide is specified by the sequence or the residue, the chirality, and for a peptide the purity and the salt form. L and D forms are different compounds. A trifluoroacetate salt and a hydrochloride salt weigh differently per mole of peptide.
An organic chemical is built on carbon. In this category it is a building block or a reagent for making another molecule: a starting material, a coupling agent, a polymer, a PEG. Purity is a specification of which impurities remain. The structure, the CAS number and the grade decide whether two bottles are the same substance. Structures and properties are on PubChem. Nomenclature is IUPAC. Classification follows ECHA and the CLP Regulation.
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The category is Organic chemicals & synthesis reagents. The sub-category is Amino acids & peptides. The catalogue is Lab chemicals.
Shelves beside this one are Organic building blocks & synthesis reagents, Polymers, PEGs & silicones and Click chemistry, bioconjugation & synthesis reagents.
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