Molekula
D-Tryptophan
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
D-Tryptophan is a synthetic amino acid used in peptide synthesis and pharmaceutical research. It serves as a building block for bioactive compounds and is valued for its stereochemical specificity. Available with a CAS number of 153-94-6, its molecular formula is C11H12N2O2 and molecular weight is 204.23 g/mol. Stored at ambient temperatures, it requires no special handling. Molekula supplies D-Tryptophan from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Specific rotation | 30 - 33º |
| Purity (HPLC) | ≥98% |
| Identification | Conforms to reference |
| Carbon (C) | 63.0% - 67.0% |
| Solubility (Colour) | colourless to very dark yellow |
| Nitrogen (N) | 13.4% - 14.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 282 - 85 °C |
Source: PubChem CID 9060 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90030107 |
| CAS Number | 153-94-6 |
| IUPAC Name | (2R)-2-amino-3-(1H-indol-3-yl)propanoic acid |
| EC Number | 205-819-9 |
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.23 |
| Exact Mass | 204.0899 |
| SMILES | C1=CC=C2C(=C1)C(=CN2)C[C@H](C(=O)O)N |
| InChIKey | QIVBCDIJIAJPQS-SECBINFHSA-N |
| InChI | InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m1/s1 |
| PubChem CID | 9060 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2933999701 |
| Tariff Code | 2933998090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (+)-Tryptophan
- (2R)-2-amino-3-(1H-indol-3-yl)propanoic acid
- (R)-Tryptophan
- (R)alphaAmino3indolepropionic acid
- (R)alphaAminoindole3propanoic acid
- 2Amino3,3'indolylpropanoic acid
- 3,3'Indolyl2alanine
- D-Trytophane
- DTryptophane
- Tryptophan, D-
Frequently asked questions
What is D-Tryptophan used for?
D-Tryptophan is primarily used in the synthesis of peptides and pharmaceuticals, particularly as a non-natural residue in peptide drugs such as LHRH analogues like triptorelin, as well as in chiral and biochemical research.
What is the chemical formula and molecular weight of D-Tryptophan?
The chemical formula is C11H12N2O2, and the molecular weight is 204.23 g/mol.
How should D-Tryptophan be stored?
D-Tryptophan should be stored at ambient temperature, protected from moisture and light.
What grade of D-Tryptophan is available?
Molekula supplies D-Tryptophan in high-purity research grade, suitable for laboratory and pharmaceutical applications.
Can Molekula supply D-Tryptophan in bulk?
Yes, Molekula can supply D-Tryptophan in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a D-Tryptophan order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.