Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS

2H-1,4-Benzothiazin-3(4H)-one, 97%

Synonyms: 2H-Benzo[b][1,4]thiazin-3(4H)-one · 2H-1,4-Benzothiazin-3(4H)-one · 3,4-dihydro-2H-1,4-benzothiazin-3-one · 1,4-benzothiazin-3-one

CAS No.5325-20-2
FormulaC8H7NOS
Mol. weight165.21
Catalogue No.VQ-012317
Purity97%
HSN29420090

2H-1,4-Benzothiazin-3(4H)-one (CAS 5325-20-2) – sulfur heterocycle, 97%. C8H7NOS, MW 165.21. Order from Vaqora Chemicals with COA and global delivery.

Pack sizesPrice on quotation · bulk available
1 g
5 g
25 g
100 g
1 kg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 2H-1,4-Benzothiazin-3(4H)-one, 97%

Vaqora Chemicals supplies 2H-1,4-Benzothiazin-3(4H)-one, a sulfur heterocycle registered under CAS number 5325-20-2 at a purity of 97%. With the molecular formula C8H7NOS, it has a molar mass of 165.21 g/mol. The IUPAC name is 4H-1,4-benzothiazin-3-one. It is also known as 2H-Benzo[b][1,4]thiazin-3(4H)-one or 3,4-dihydro-2H-1,4-benzothiazin-3-one.

In its supplied form it is white to tan powder or crystals or chunks. Literature values give a melting point of 176-178 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g, 25 g and 100 g packs, 2H-1,4-Benzothiazin-3(4H)-one is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Organic synthesis
  • API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name2H-1,4-Benzothiazin-3(4H)-one, 97%
Catalogue No.VQ-012317
CAS Number5325-20-2
IUPAC name4H-1,4-benzothiazin-3-one
Molecular formulaC8H7NOS
Molecular weight165.21 g/mol
Exact mass165.0248
Purity / assay97%
HSN code29420090
InChIKeyGTFMIJNXNMDHAB-UHFFFAOYSA-N
SMILESC1C(=O)NC2=CC=CC=C2S1
PubChem CID21396
Physical properties
Physical formCrystalline
AppearanceWhite to tan powder or crystals or chunks
Melting point176-178 °C
LogP (XLogP3)1.4
H-bond donors / acceptors1 / 2
TPSA54.4 Ų
Synonyms2H-Benzo[b][1,4]thiazin-3(4H)-one, 2H-1,4-Benzothiazin-3(4H)-one, 3,4-dihydro-2H-1,4-benzothiazin-3-one, 1,4-benzothiazin-3-one, 4H-Benzo[1,4]thiazin-3-one, 3,4-Dihydro-3-oxo-2H-1,4-benzothiazine, 4h-benzothiazin-3-one, 2,4-Dihydro-1,4-benzothiazin-3-one, (2h),1,4-benzothiazin-3(4h)-one, GNF-Pf-3697, 2H,4H-benzo[e]1,4-thiazin-3-one, benzo[1,4]thiazin-3-one

Safety & hazard information (GHS)

GHS07 Harmful / irritant
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

Frequently asked questions

What is the CAS number of 2H-1,4-Benzothiazin-3(4H)-one, 97%?

The CAS Registry Number of 2H-1,4-Benzothiazin-3(4H)-one, 97% is 5325-20-2. It is also known as 2H-Benzo[b][1,4]thiazin-3(4H)-one, 2H-1,4-Benzothiazin-3(4H)-one, 3,4-dihydro-2H-1,4-benzothiazin-3-one.

What is the molecular formula and molecular weight of 2H-1,4-Benzothiazin-3(4H)-one, 97%?

2H-1,4-Benzothiazin-3(4H)-one, 97% has the molecular formula C8H7NOS and a molecular weight of 165.21 g/mol. Its IUPAC name is 4H-1,4-benzothiazin-3-one.

Which grade and pack sizes of 2H-1,4-Benzothiazin-3(4H)-one, 97% can I order?

We supply 2H-1,4-Benzothiazin-3(4H)-one, 97% in (97%) grade, in 1 g, 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2H-1,4-Benzothiazin-3(4H)-one, 97%?

Yes. Every lot of 2H-1,4-Benzothiazin-3(4H)-one, 97% 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 2H-1,4-Benzothiazin-3(4H)-one, 97% be shipped internationally?

Yes. 2H-1,4-Benzothiazin-3(4H)-one, 97% 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.

Enquire about 2H-1,4-Benzothiazin-3(4H)-one, 97%

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

More in Thiophenes, Thiazoles & Thiadiazoles →