L-5-Hydroxytryptophan hydrochloride
Also known as: Ro 3-5940, Ro 3-5940 HCl, Ro 35940 HCl, L-5-HTP HCl, L-5-Hydroxytryptophan monohydrochloride, 5-Hydroxy-L-tryptophan hydrochloride, (S)-2-Amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid hydrochloride, L-2-Amino-3-(5-hydroxyindolyl)-propionic acid hydrochloride, L-2-Amino-3-(5-hydroxyindolyl)propionic acid HCl, 5-Hydroxy-L-tryptophan, hydrochloride, 5-Hydroxy-L-tryptophan,hydrochloride, 5-Hydroxy-L-tryptophan, hydrochloride (salt)
L-5-Hydroxytryptophan hydrochloride (CAS 17469-40-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13ClN2O3 and a molecular weight of 256.68 g/mol. Key properties include a boiling point of 308.6ºC at 760 mmHg, a density of 1.244g/cm3 and a flash point of 140.5ºC. It is listed by 1 supplier, from 120,000.00 to 120,000.00 CNY per 0.1g. Record last updated Aug 21, 2026.
- CAS No.
- 17469-40-8
- Jingsj CID
- J-1498261-1
- Molecular Formula
- C11H13ClN2O3
- Molecular Weight
- 256.68 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 0.1g | ¥12,000.00 | $17,957.28 /gBest ¥120,000.00/g CNY | CN China MOQ 0.1g |
Physicochemical Properties
| Boiling Point | 308.6ºC at 760 mmHg |
|---|---|
| Density | 1.244g/cm3 |
| Flash Point | 140.5ºC |
| Exact Mass | 256.06100 |
| PSA | 99.34000 |
| LogP | 2.33020 |
| Vapor Pressure | 0.000673mmHg at 25°C |
| Refractive Index | 1.688 |
| SMILES | C1=CC2=C(C=C1O)C(=CN2)C[C@@H](C(=O)O)N.Cl |
| InChIKey | FVXSIINOEZOYDN-FVGYRXGTSA-N |
| InChI | 1S/C11H12N2O3.ClH/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);1H/t9-;/m0./s1 |
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 L-5-Hydroxytryptophan hydrochloride?
The CAS number of L-5-Hydroxytryptophan hydrochloride is 17469-40-8.
What are the molecular formula and molecular weight of L-5-Hydroxytryptophan hydrochloride?
L-5-Hydroxytryptophan hydrochloride has molecular formula C11H13ClN2O3 and molecular weight 256.68 g/mol.
Which suppliers offer L-5-Hydroxytryptophan hydrochloride?
1 supplier(s) listed; reference unit price ¥120000.00–120000.00 /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. "L-5-Hydroxytryptophan hydrochloride (CAS 17469-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498261-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.