D-Tryptophan, 99%

Name: D-Tryptophan, 99%
Brand: Vaqora Chemicals
SKU: VQ-002093

About D-Tryptophan, 99%

Listed under CAS 153-94-6, D-Tryptophan is an amino acid derivative available from Vaqora Chemicals (Biochemistry grade), specified at 99% purity. The compound has the formula C11H12N2O2, corresponding to a molecular weight of 204.22 g/mol. Its systematic (IUPAC) name is (2R)-2-amino-3-(1H-indol-3-yl)propanoic acid. It is also known as (R)-2-Amino-3-(3-indolyl)propionic acid or D-a-Amino-3-indolepropionic acid.

The material typically appears as a white to off-white to yellowish white powder. Literature values give a melting point of 282-285 °C (dec.) and a density of 1.4 g/cm3. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for peptide synthesis, cell culture media, biochemical research and protein and peptide research. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

We offer D-Tryptophan in 5 g, 10 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Peptide synthesis
Cell culture media
Biochemical research
Protein & peptide research

Industries

Specifications & identifiers

Chemical identifiers
Product name	D-Tryptophan, 99%
Catalogue No.	VQ-002093
CAS Number	153-94-6
IUPAC name	(2R)-2-amino-3-(1H-indol-3-yl)propanoic acid
Molecular formula	C₁₁H₁₂N₂O₂
Molecular weight	204.22 g/mol
Exact mass	204.0899
Grade	Biochemistry
Purity / assay	99%
HSN code	29224990
InChIKey	QIVBCDIJIAJPQS-SECBINFHSA-N
SMILES	C1=CC=C2C(=C1)C(=CN2)C[C@H](C(=O)O)N
PubChem CID	9060

Physical properties
Physical form	Powder
Appearance	White to off-white to yellowish white powder
Melting point	282-285 °C (dec.)
Density	1.4 g/cm3
LogP (XLogP3)	-1.1
H-bond donors / acceptors	3 / 3
TPSA	79.1 Å²
Synonyms	(R)-2-Amino-3-(3-indolyl)propionic acid, D-a-Amino-3-indolepropionic acid, D(+)-Tryptophan, (R)-Tryptophan, (+)-Tryptophan, D-Trytophane, Tryptophan, D-, D-(+)-Tryptophan, DTryptophane, (R)Tryptophan, Tryptophan, D, D(+)Tryptophan

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of D-Tryptophan, 99%?

The CAS Registry Number of D-Tryptophan, 99% is 153-94-6. It is also known as (R)-2-Amino-3-(3-indolyl)propionic acid, D-a-Amino-3-indolepropionic acid, D(+)-Tryptophan.

What is the molecular formula and molecular weight of D-Tryptophan, 99%?

D-Tryptophan, 99% has the molecular formula C11H12N2O2 and a molecular weight of 204.22 g/mol. Its IUPAC name is (2R)-2-amino-3-(1H-indol-3-yl)propanoic acid.

Which grade and pack sizes of D-Tryptophan, 99% can I order?

We supply D-Tryptophan, 99% in Biochemistry (99%) grade, in 5 g, 10 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with D-Tryptophan, 99%?

Yes. Every lot of D-Tryptophan, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can D-Tryptophan, 99% be shipped internationally?

Yes. D-Tryptophan, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.