Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahyd… 1133419-00-7

About Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate

Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate is an impurity of Tolvaptan carrying the CAS registry number 1133419-00-7. The compound has the formula C20H20ClNO5S, corresponding to a molecular weight of 421.9 g/mol. Its systematic (IUPAC) name is ethyl 7-chloro-1-(4-methylphenyl)sulfonyl-5-oxo-3,4-dihydro-2H-1-benzazepine-4-carboxylate.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Tolvaptan impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Tolvaptan

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

Tolvaptan impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate
Catalogue No.	VQ-028455
CAS Number	1133419-00-7
IUPAC name	ethyl 7-chloro-1-(4-methylphenyl)sulfonyl-5-oxo-3,4-dihydro-2H-1-benzazepine-4-carboxylate
Molecular formula	C₂₀H₂₀ClNO₅S
Molecular weight	421.9 g/mol
Exact mass	421.0751
Grade	Reference Standard
HSN code	38229090
InChIKey	JCSQLIDJOVIORL-UHFFFAOYSA-N
SMILES	CCOC(=O)C1CCN(C2=C(C1=O)C=C(C=C2)Cl)S(=O)(=O)C3=CC=C(C=C3)C
PubChem CID	66981125

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	0 / 6
TPSA	89.1 Å²

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 Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate?

The CAS Registry Number of Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate is 1133419-00-7. It is also known as Ethyl 7-Chloro-5-oxo-1-toxyl-2,3,4,5,-tetrahydro-1H-benzo[b]azepine-4-carboxylate, 7-Chloro-4-(ethoxycarbonyl)-5-oxo-N-(p-tolylsulfonyl)-2,3,4,5-tetrahydro-1H-1-benzazepine, 7-chloro-4-ethoxycarbonyl-5-oxo-N-p-toluenesufonyl-2,3,4,5-tetrahydro-1H-1-benzazepine.

What is the molecular formula and molecular weight of Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate?

Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate has the molecular formula C20H20ClNO5S and a molecular weight of 421.9 g/mol. Its IUPAC name is ethyl 7-chloro-1-(4-methylphenyl)sulfonyl-5-oxo-3,4-dihydro-2H-1-benzazepine-4-carboxylate.

What is Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate used for?

Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate is supplied as a characterised reference material related to Tolvaptan. 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 Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate can I order?

We supply Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate 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 Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate?

Yes. Every lot of Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate 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 Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate be shipped internationally?

Yes. We export Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.