D-tryptophan
Also known as: (+)-Tryptophan, (2R)-2-amino-3-(1H-indol-3-yl)propanoic acid, (R)-2-Amino-3-(3-indolyl)propionic acid, (R)-tryptophan, D(+)-Tryptophan, D-2-Amino-3-(3-indolyl)propionic acid, D-2-Amino-3-indolepropionic acid, D-2-Amino-3-indolylpropanoic acid, D-alpha-Amino-3-indolepropionic acid, D-Trp, D-Tryptophane, H-D-Trp-OH, Tadalafil Impurity 1, Tryptophan, D-
D-tryptophan (CAS 153-94-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O2 and a molecular weight of 204.225 g/mol. Key properties include a melting point of 282-285ºC, a boiling point of 447.9±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 224.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 153-94-6
- Jingsj CID
- J-1001586-8
- Molecular Formula
- C11H12N2O2
- Molecular Weight
- 204.225 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 282-285ºC |
|---|---|
| Boiling Point | 447.9±35.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 224.7±25.9 °C |
| Exact Mass | 204.089874 |
| PSA | 79.11000 |
| LogP | 1.04 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.698 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of D-tryptophan?
The CAS number of D-tryptophan is 153-94-6.
What are the molecular formula and molecular weight of D-tryptophan?
D-tryptophan has molecular formula C11H12N2O2 and molecular weight 204.225 g/mol.
What are the upstream and downstream products of D-tryptophan?
For D-tryptophan, Upstream Products: DL-Tryptophan, D-Alanine, Indole-3-pyruvic acid; Downstream Products: Chloropretadalafil, Tadalafil, Indole-3-pyruvic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "D-tryptophan (CAS 153-94-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001586-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.