Molekula
D-Tryptophan
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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.