Tryptophan EP Impurity L

Name: Tryptophan EP Impurity L
Brand: Vaqora Chemicals
SKU: VQ-034466

About Tryptophan EP Impurity L

Tryptophan EP Impurity L (CAS 287170-99-4) is a pharmacopeial impurity of Tryptophan offered by Vaqora Chemicals. The compound has the formula C21H19N3O2, corresponding to a molecular weight of 345.4 g/mol. Systematically, it is named 1-(1H-indol-3-ylmethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid. Common synonyms include Tryptophan EP Impurity L (Free Base) and Tryptophan impurity L.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Tryptophan

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

Tryptophan impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Tryptophan EP Impurity L
Catalogue No.	VQ-034466
CAS Number	287170-99-4
IUPAC name	1-(1H-indol-3-ylmethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid
Molecular formula	C₂₁H₁₉N₃O₂
Molecular weight	345.4 g/mol
Exact mass	345.1477
Grade	Reference Standard
HSN code	38229090
InChIKey	OCSLLYDMBPPURE-UHFFFAOYSA-N
SMILES	C1C(NC(C2=C1C3=CC=CC=C3N2)CC4=CNC5=CC=CC=C54)C(=O)O
PubChem CID	54143494

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	4 / 3
TPSA	80.9 Å²
Synonyms	Tryptophan EP Impurity L (Free Base), 1-(1H-Indol-3-ylmethyl)-1,2,3,4-tetrahydro-9H-pyrido(3,4-b)indole-3-carboxylic acid, 2,3,4,9-Tetrahydro-1-(1H-indol-3-ylmethyl)-1H-pyrido(3,4-b)indole-3-carboxylic acid, 2,3,4,9-Tetrahydro-1-(1H-indol-3-ylmethyl)-1H-pyrido[3,4-b]indole-3-carboxylic Acid, Tryptophan impurity L, 1-((1H-Indol-3-yl)methyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid, 1H-Pyrido(3,4-b)indole-3-carboxylic acid, 2,3,4,9-tetrahydro-1-(1H-indol-3-ylmethyl)-, 1-(3-indolylmethyl)-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid

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 Tryptophan EP Impurity L?

The CAS Registry Number of Tryptophan EP Impurity L is 287170-99-4. It is also known as Tryptophan EP Impurity L (Free Base), 1-(1H-Indol-3-ylmethyl)-1,2,3,4-tetrahydro-9H-pyrido(3,4-b)indole-3-carboxylic acid, 2,3,4,9-Tetrahydro-1-(1H-indol-3-ylmethyl)-1H-pyrido(3,4-b)indole-3-carboxylic acid.

What is the molecular formula and molecular weight of Tryptophan EP Impurity L?

Tryptophan EP Impurity L has the molecular formula C21H19N3O2 and a molecular weight of 345.4 g/mol. Its IUPAC name is 1-(1H-indol-3-ylmethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid.

What is Tryptophan EP Impurity L used for?

Tryptophan EP Impurity L 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 Tryptophan EP Impurity L can I order?

We supply Tryptophan EP Impurity L 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 Tryptophan EP Impurity L?

Yes. Every lot of Tryptophan EP Impurity L 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 Tryptophan EP Impurity L be shipped internationally?

Yes. We export Tryptophan EP Impurity L worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.