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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate

Synonyms: Ethyl 4-(4-Boc-piperazin-1-yl)benzo[b]thien-2-carboxylate

CAS No.1677681-01-4
FormulaC20H26N2O4S
Mol. weight390.50
Catalogue No.VQ-041817
PurityReference Standard
HSN38229090

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate (CAS 1677681-01-4) – Raloxifene impurity standard. C20H26N2O4S, MW 390.5.

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25 mg
50 mg
100 mg
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About Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate (CAS 1677681-01-4) is an impurity of Raloxifene offered by Vaqora Chemicals. Its molecular formula is C20H26N2O4S and its molecular weight is 390.5 g/mol. Its systematic (IUPAC) name is tert-butyl 4-(2-ethoxycarbonyl-1-benzothiophen-4-yl)piperazine-1-carboxylate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Raloxifene impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Raloxifene

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

Raloxifene impurities

Specifications & identifiers

Chemical identifiers
Product nameTert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate
Catalogue No.VQ-041817
CAS Number1677681-01-4
IUPAC nametert-butyl 4-(2-ethoxycarbonyl-1-benzothiophen-4-yl)piperazine-1-carboxylate
Molecular formulaC20H26N2O4S
Molecular weight390.5 g/mol
Exact mass390.1613
GradeReference Standard
HSN code38229090
InChIKeyZLQNJKNOTXUHIP-UHFFFAOYSA-N
SMILESCCOC(=O)C1=CC2=C(C=CC=C2S1)N3CCN(CC3)C(=O)OC(C)(C)C
PubChem CID118369067
Physical properties
Physical formSolid
LogP (XLogP3)4.3
H-bond donors / acceptors0 / 6
TPSA87.3 Ų

Documents

Frequently asked questions

What is the CAS number of Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate?

The CAS Registry Number of Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate is 1677681-01-4. It is also known as Ethyl 4-(4-Boc-piperazin-1-yl)benzo[b]thien-2-carboxylate.

What is the molecular formula and molecular weight of Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate?

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate has the molecular formula C20H26N2O4S and a molecular weight of 390.5 g/mol. Its IUPAC name is tert-butyl 4-(2-ethoxycarbonyl-1-benzothiophen-4-yl)piperazine-1-carboxylate.

What is Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate used for?

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate is supplied as a characterised reference material related to Raloxifene. 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 Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate can I order?

We supply Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 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 Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate?

Yes. Every lot of Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 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 Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate be shipped internationally?

Yes. We export Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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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
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Related products

Reference Standard
Raloxifene-d4 chemical structure
Raloxifene-d4
CAS
1185076-44-1
Formula
C28H27NO4S
MW
477.6 g/mol
VQ-041818

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