CAS Registry Number

CAS 73-22-3 — L-Tryptophan

CAS 73-22-3 C11H12N2O2 MW 204.23

L-Tryptophan is an essential amino acid used in nutritional supplements, pharmaceuticals, and research. It serves as a precursor to serotonin and melatonin, supporting mood and sleep regulation. Available in powder form, it has a CAS number of 73-22-3, molecular formula C11H12N2O2, and a molecular weight of 204.23 g/mol. Stable at ambient storage conditions. Molekula supplies L-Tryptophan from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: L-Tryptophan (EP) · L-Tryptophan (TF)

View product details

Molekula products for CAS 73-22-3

L-Tryptophan

SKU 13831082

In stock Amino Acids

L-Tryptophan

SKU 90031530

Made to order Amino Acids

L-Tryptophan (EP)

SKU 90031531

Made to order Amino Acids

L-Tryptophan (TF)

SKU 90030873

Made to order Amino Acids

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.