Benzothiazine

Name: Benzothiazine
Brand: Vaqora Chemicals
SKU: VQ-047556

About Benzothiazine

Vaqora Chemicals supplies Benzothiazine, an API reference standard registered under CAS number 3080-99-7. Formula C8H9NS, molecular weight 151.23 g/mol. Its systematic (IUPAC) name is 3,4-dihydro-2H-1,4-benzothiazine. It is also known as 2,3-Dihydro-1,4-benzothiazine or 3,4-Dihydro-2H-benzo[b][1,4]thiazine.

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. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this the parent drug substance standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. 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, Benzothiazine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	Benzothiazine
Catalogue No.	VQ-047556
CAS Number	3080-99-7
IUPAC name	3,4-dihydro-2H-1,4-benzothiazine
Molecular formula	C₈H₉NS
Molecular weight	151.23 g/mol
Exact mass	151.0456
Grade	Reference Standard
HSN code	38229090
InChIKey	YBBLSBDJIKMXNQ-UHFFFAOYSA-N
SMILES	C1CSC2=CC=CC=C2N1
PubChem CID	151064

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	2,3-Dihydro-1,4-benzothiazine, 3,4-Dihydro-2H-benzo[b][1,4]thiazine, 3,4-Dihydro-2H-benzo[1,4]thiazine, 2H-1,4-Benzothiazine, 3,4-dihydro-, Benzothiomorpholine, Thiaphenomorpholine, 2,3-dihydro-4h-1,4-benzothiazine, 2H,3H,4H-benzo[e]1,4-thiazine, 4H-1,4-Benzothiazine, 2,3-dihydro-, 2H,3H,4H-benzo[e]1,4-thiazaperhydroine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, 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 Benzothiazine?

The CAS Registry Number of Benzothiazine is 3080-99-7. It is also known as 2,3-Dihydro-1,4-benzothiazine, 3,4-Dihydro-2H-benzo[b][1,4]thiazine, 3,4-Dihydro-2H-benzo[1,4]thiazine.

What is the molecular formula and molecular weight of Benzothiazine?

Benzothiazine has the molecular formula C8H9NS and a molecular weight of 151.23 g/mol. Its IUPAC name is 3,4-dihydro-2H-1,4-benzothiazine.

Which grade and pack sizes of Benzothiazine can I order?

We supply Benzothiazine 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 Benzothiazine?

Yes. Every lot of Benzothiazine 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 Benzothiazine be shipped internationally?

Yes. Benzothiazine 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.