4,5,6,7-Tetrahydrothieno[2,3-c]pyridine

Name: 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine
Brand: Vaqora Chemicals
SKU: VQ-049868

About 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine

4,5,6,7-Tetrahydrothieno[2,3-c]pyridine (CAS 62019-71-0) is a process intermediate or related compound of Clonazepam offered by Vaqora Chemicals. Its molecular formula is C7H9NS and its molecular weight is 139.22 g/mol. It is also known as 4H,5H,6H,7H-thieno[2,3-c]pyridine or 4H,5H,6H,7H-thieno(2,3-c)pyridine.

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. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Process chemists and analysts use it when developing synthetic routes to Clonazepam, tracking process-related impurities and validating analytical methods. 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, 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Clonazepam

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

Clonazepam impurities

Specifications & identifiers

Chemical identifiers
Product name	4,5,6,7-Tetrahydrothieno[2,3-c]pyridine
Catalogue No.	VQ-049868
CAS Number	62019-71-0
IUPAC name	4,5,6,7-tetrahydrothieno[2,3-c]pyridine
Molecular formula	C₇H₉NS
Molecular weight	139.22 g/mol
Exact mass	139.0456
HSN code	2933
InChIKey	HXNOEHIMWZDRTK-UHFFFAOYSA-N
SMILES	C1CNCC2=C1C=CS2
PubChem CID	12337025

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	1 / 2
TPSA	40.3 Å²

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + 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 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine?

The CAS Registry Number of 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine is 62019-71-0. It is also known as 4H,5H,6H,7H-thieno[2,3-c]pyridine, 4H,5H,6H,7H-thieno(2,3-c)pyridine.

What is the molecular formula and molecular weight of 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine?

4,5,6,7-Tetrahydrothieno[2,3-c]pyridine has the molecular formula C7H9NS and a molecular weight of 139.22 g/mol. Its IUPAC name is 4,5,6,7-tetrahydrothieno[2,3-c]pyridine.

What is 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine used for?

4,5,6,7-Tetrahydrothieno[2,3-c]pyridine is supplied as a characterised reference material related to Clonazepam. 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 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine can I order?

We supply 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine, 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 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine?

Yes. Every lot of 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine 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 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine be shipped internationally?

Yes. 4,5,6,7-Tetrahydrothieno[2,3-c]pyridine 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.