6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-… 70415-50-8

Name: 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide
Brand: Vaqora Chemicals
SKU: VQ-023001

About 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide

Vaqora Chemicals supplies 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide, a metabolite or degradation product of Lornoxicam registered under CAS number 70415-50-8. The compound has the formula C9H8ClNO5S2, corresponding to a molecular weight of 309.7 g/mol. Its systematic (IUPAC) name is methyl 6-chloro-4-hydroxy-2-methyl-1,1-dioxothieno[2,3-e]thiazine-3-carboxylate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Lornoxicam, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling
Fine chemical synthesis

Industries

Related to Lornoxicam

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

Lornoxicam impurities

Specifications & identifiers

Chemical identifiers
Product name	6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide
Catalogue No.	VQ-023001
CAS Number	70415-50-8
IUPAC name	methyl 6-chloro-4-hydroxy-2-methyl-1,1-dioxothieno[2,3-e]thiazine-3-carboxylate
Molecular formula	C₉H₈ClNO₅S₂
Molecular weight	309.7 g/mol
Exact mass	308.9532
Grade	Reference Standard
HSN code	38229090
InChIKey	HITUAYIBHWKKFU-UHFFFAOYSA-N
SMILES	CN1C(=C(C2=C(S1(=O)=O)C=C(S2)Cl)O)C(=O)OC
PubChem CID	54697517

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	1 / 7
TPSA	121 Å²
Synonyms	Methyl 6-chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide, 6-Chloro-4-hydroxy-2-methyl-3-methoxycarbonyl-2H-thieno[2,3-e]-1,2-thiazine-1,1-dioxide, Methyl 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-formate 1,1-Dioxide, 6-Chloro-4-hydroxy-2-methyl-3-methoxycarbonyl-2H-t, methyl 6-chloro-4-hydroxy-2-methyl-1,1-dioxo-thieno[2,3-e]thiazine-3-carboxylate, methyl 6-chloro-4-hydroxy-2-methyl-1,1-dioxo-4H-1-thieno[3,2-b][1,4]thiazine-3-carboxylate

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H332Harmful if inhaled
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P317, P321, P330, 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 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide?

The CAS Registry Number of 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide is 70415-50-8. It is also known as Methyl 6-chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide, 6-Chloro-4-hydroxy-2-methyl-3-methoxycarbonyl-2H-thieno[2,3-e]-1,2-thiazine-1,1-dioxide, Methyl 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-formate 1,1-Dioxide.

What is the molecular formula and molecular weight of 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide?

6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide has the molecular formula C9H8ClNO5S2 and a molecular weight of 309.7 g/mol. Its IUPAC name is methyl 6-chloro-4-hydroxy-2-methyl-1,1-dioxothieno[2,3-e]thiazine-3-carboxylate.

What is 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide used for?

6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide is supplied as a characterised reference material related to Lornoxicam. 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 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide can I order?

We supply 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide 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 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide?

Yes. Every lot of 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide 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 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide be shipped internationally?

Yes. 6-Chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic Acid Methyl Ester 1,1-Dioxide 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.