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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
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
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 Point298-300ºC
Boiling Point520.6±50.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point268.7±30.1 °C
Exact Mass220.084793
PSA99.34000
LogP-0.14
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.737
Storage ConditionsRefrigerator
SMILESC1=CC2=C(C=C1O)C(=CN2)CC(C(=O)O)N
InChIKeyLDCYZAJDBXYCGN-UHFFFAOYSA-N
InChI1S/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 Code2933990090
Summary2933990090. 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.