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6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

CAS Number: 120279-88-1

Molecular Formula: C8H9NO3S3

About 6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide (CAS No: 120279-88-1) is a critical bicyclic heterocyclic building block that serves as a key key intermediate in the chemical synthesis of dorzolamide hydrochloride, a widely prescribed carbonic anhydrase inhibitor utilized globally in ophthalmic thera...

Synonyms

  • 120279-88-1
  • 6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide
  • 6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide
  • 6-Methyl-4-oxo-5,6-dihydro-4H-thieno-[2,3-b]thiopyran-2-sulfonamide
  • (6S)-6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide
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6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide Specifications

CAS Number
120279-88-1
Molecular Formula
C8H9NO3S3
Molecular Weight
263.34 g/mol
IUPAC Name
6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide
Canonical SMILES
CC1CC(=O)C2=C(S1)SC(=C2)S(=O)(=O)N
InChI Key
QMNAQPMXDMLOLD-UHFFFAOYSA-N
InChI
InChI=1S/C8H9NO3S3/c1-4-2-6(10)5-3-7(15(9,11)12)14-8(5)13-4/h3-4H,2H2,1H3,(H2,9,11,12)
HSN No
29359090
Molecular Weight
263.34 g/mol

Pharmaceuticals

An intermediate used in the synthesis of Dorzolamide Hydrochloride, an active pharmaceutical ingredient and carbonic anhydrase inhibitor

Research and Development

A chemical intermediate used in organic synthesis, laboratory research, and method development studies

Ophthalmology

A key precursor for manufacturing antiglaucoma agents used in ophthalmic formulations to lower intraocular pressure

Fine Chemicals

A specialty sulfur-containing chemical compound utilized as a building block in drug discovery and chemical manufacturing

  1. 120279-88-1
  2. 6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide
  3. 6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide
  4. 6-Methyl-4-oxo-5,6-dihydro-4H-thieno-[2,3-b]thiopyran-2-sulfonamide
  5. (6S)-6-methyl-4-oxo-5,6-dihydrothieno[2,3-b]thiopyran-2-sulfonamide

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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