5-Hydroxy-DL-tryptophan
Also known as: DL-5-Hydroxytryptophan, DL-5-HTP, 2-Amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid, EINECS 204-039-6, MFCD00005651
5-Hydroxy-DL-tryptophan (CAS 114-03-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O3 and a molecular weight of 220.22 g/mol. Key properties include a melting point of 298-300ºC, a boiling point of 520.6±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 268.7±30.1 °C. It is listed by 1 supplier, from 478.00 to 620.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 114-03-4
- Jingsj CID
- J-17048-0
- Molecular Formula
- C11H12N2O3
- Molecular Weight
- 220.22 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 98% 10g | ¥4,780.00 | $71.53 /gBest ¥478.00/g CNY | CN China MOQ 10g | |
Made to Order | 98% 5g | ¥2,580.00 | $77.22 /g ¥516.00/g CNY | CN China MOQ 5g | |
Made to Order | 98% 1g | ¥620.00 | $92.78 /g ¥620.00/g CNY | CN China MOQ 1g |
Physicochemical Properties
| Melting Point | 298-300ºC |
|---|---|
| Boiling Point | 520.6±50.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 268.7±30.1 °C |
| Exact Mass | 220.084793 |
| PSA | 99.34000 |
| LogP | -0.14 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.737 |
| Storage Conditions | Refrigerator |
| SMILES | C1=CC2=C(C=C1O)C(=CN2)CC(C(=O)O)N |
| InChIKey | LDCYZAJDBXYCGN-UHFFFAOYSA-N |
| InChI | 1S/C11H12N2O3/c12-9(11(15)16)3-6-5-13-10-2-1-7(14)4-8(6)10/h1-2,4-5,9,13-14H,3,12H2,(H,15,16) |
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 5-Hydroxy-DL-tryptophan?
The CAS number of 5-Hydroxy-DL-tryptophan is 114-03-4.
What are the molecular formula and molecular weight of 5-Hydroxy-DL-tryptophan?
5-Hydroxy-DL-tryptophan has molecular formula C11H12N2O3 and molecular weight 220.22 g/mol.
Which suppliers offer 5-Hydroxy-DL-tryptophan?
1 supplier(s) listed; reference unit price ¥478.00–620.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Hydroxy-DL-tryptophan (CAS 114-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17048-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.