N-Acetyl-L-Tryptophan

Name: N-Acetyl-L-Tryptophan
Brand: Vaqora Chemicals
SKU: VQ-028557

About N-Acetyl-L-Tryptophan

N-Acetyl-L-Tryptophan is an impurity of Tryptophan carrying the CAS registry number 1218-34-4. Its molecular formula is C13H14N2O3 and its molecular weight is 246.26 g/mol. The IUPAC name is (2S)-2-acetamido-3-(1H-indol-3-yl)propanoic acid. Alternative names: Acetyl-L-tryptophan and L-Tryptophan, N-acetyl-.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Tryptophan to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, N-Acetyl-L-Tryptophan is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Tryptophan

View every impurity, metabolite and intermediate we list for Tryptophan.

Tryptophan impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-L-Tryptophan
Catalogue No.	VQ-028557
CAS Number	1218-34-4
IUPAC name	(2S)-2-acetamido-3-(1H-indol-3-yl)propanoic acid
Molecular formula	C₁₃H₁₄N₂O₃
Molecular weight	246.26 g/mol
Exact mass	246.1004
Grade	Reference Standard
HSN code	38229090
InChIKey	DZTHIGRZJZPRDV-LBPRGKRZSA-N
SMILES	CC(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)O
PubChem CID	700653

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	3 / 3
TPSA	82.2 Å²
Synonyms	Acetyl-L-tryptophan, L-Tryptophan, N-acetyl-, Acetyltryptophan, L-, Ac-Trp-OH, (S)-N-Acetyltryptophan, Acetyl-L-trp, (S)-2-Acetamido-3-(1H-indol-3-yl)propanoic acid, N-acetyl tryptophan, acetyltryptophanate, Ac-Trp, Tryptophan, acetyl, N-acetyl-tryptophan

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 N-Acetyl-L-Tryptophan?

The CAS Registry Number of N-Acetyl-L-Tryptophan is 1218-34-4. It is also known as Acetyl-L-tryptophan, L-Tryptophan, N-acetyl-, Acetyltryptophan, L-.

What is the molecular formula and molecular weight of N-Acetyl-L-Tryptophan?

N-Acetyl-L-Tryptophan has the molecular formula C13H14N2O3 and a molecular weight of 246.26 g/mol. Its IUPAC name is (2S)-2-acetamido-3-(1H-indol-3-yl)propanoic acid.

What is N-Acetyl-L-Tryptophan used for?

N-Acetyl-L-Tryptophan is supplied as a characterised reference material related to Tryptophan. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of N-Acetyl-L-Tryptophan can I order?

We supply N-Acetyl-L-Tryptophan in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Acetyl-L-Tryptophan?

Yes. Every lot of N-Acetyl-L-Tryptophan 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 N-Acetyl-L-Tryptophan be shipped internationally?

Yes. N-Acetyl-L-Tryptophan 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.