5H-Pyrido[4,3-b]indole

Name: 5H-Pyrido[4,3-b]indole
Brand: Vaqora Chemicals
SKU: VQ-048808

About 5H-Pyrido[4,3-b]indole

5H-Pyrido[4,3-b]indole is an impurity of Latrepirdine carrying the CAS registry number 244-69-9. Formula C11H8N2, molecular weight 168.19 g/mol. Alternative names: gamma-Carboline and 3-azacarbazole.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Latrepirdine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. 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

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

Industries

Related to Latrepirdine

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

Latrepirdine impurities

Specifications & identifiers

Chemical identifiers
Product name	5H-Pyrido[4,3-b]indole
Catalogue No.	VQ-048808
CAS Number	244-69-9
IUPAC name	5H-pyrido[4,3-b]indole
Molecular formula	C₁₁H₈N₂
Molecular weight	168.19 g/mol
Exact mass	168.0687
Grade	Reference Standard
HSN code	38229090
InChIKey	RDMFHRSPDKWERA-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C3=C(N2)C=CN=C3
PubChem CID	130802

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	1 / 1
TPSA	28.7 Å²
Synonyms	gamma-Carboline, 3-azacarbazole, Pyrido[4,3-b]indole, 5-Carboline, .gamma.-Carboline, g-carboline, gama-carboline

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 5H-Pyrido[4,3-b]indole?

The CAS Registry Number of 5H-Pyrido[4,3-b]indole is 244-69-9. It is also known as gamma-Carboline, 3-azacarbazole, Pyrido[4,3-b]indole.

What is the molecular formula and molecular weight of 5H-Pyrido[4,3-b]indole?

5H-Pyrido[4,3-b]indole has the molecular formula C11H8N2 and a molecular weight of 168.19 g/mol. Its IUPAC name is 5H-pyrido[4,3-b]indole.

What is 5H-Pyrido[4,3-b]indole used for?

5H-Pyrido[4,3-b]indole is supplied as a characterised reference material related to Latrepirdine. 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 5H-Pyrido[4,3-b]indole can I order?

We supply 5H-Pyrido[4,3-b]indole 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 5H-Pyrido[4,3-b]indole?

Yes. Every lot of 5H-Pyrido[4,3-b]indole 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 5H-Pyrido[4,3-b]indole be shipped internationally?

Yes. 5H-Pyrido[4,3-b]indole 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.