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API ImpuritiesReference StandardAvailable on request

(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol

Synonyms: Entecavir Intermediate IV

CAS No.142217-77-4
FormulaC32H33N5O4
Mol. weight551.60
Catalogue No.VQ-030494
PurityReference Standard
HSN38229090

(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol (CAS 142217-77-4) – Entecavir impurity standard.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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16-section GHS SDS
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About (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol

Vaqora Chemicals supplies (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol, an impurity of Entecavir registered under CAS number 142217-77-4. Its molecular formula is C32H33N5O4 and its molecular weight is 551.6 g/mol. Systematically, it is named (1S,2S,3S,5S)-5-(2-amino-6-phenylmethoxypurin-9-yl)-3-phenylmethoxy-2-(phenylmethoxymethyl)cyclopentan-1-ol. It is also known as Entecavir Intermediate IV.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Entecavir, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Entecavir

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

Entecavir impurities

Specifications & identifiers

Chemical identifiers
Product name(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol
Catalogue No.VQ-030494
CAS Number142217-77-4
IUPAC name(1S,2S,3S,5S)-5-(2-amino-6-phenylmethoxypurin-9-yl)-3-phenylmethoxy-2-(phenylmethoxymethyl)cyclopentan-1-ol
Molecular formulaC32H33N5O4
Molecular weight551.6 g/mol
Exact mass551.2533
GradeReference Standard
HSN code38229090
InChIKeySYPCZZWUNIHLBU-COROXYKFSA-N
SMILESC1[C@@H]([C@H]([C@@H]([C@H]1OCC2=CC=CC=C2)COCC3=CC=CC=C3)O)N4C=NC5=C4N=C(N=C5OCC6=CC=CC=C6)N
PubChem CID45789858
Physical properties
Physical formSolid
LogP (XLogP3)4
H-bond donors / acceptors2 / 8
TPSA118 Ų

Documents

Frequently asked questions

What is the CAS number of (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol?

The CAS Registry Number of (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol is 142217-77-4. It is also known as Entecavir Intermediate IV.

What is the molecular formula and molecular weight of (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol?

(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol has the molecular formula C32H33N5O4 and a molecular weight of 551.6 g/mol. Its IUPAC name is (1S,2S,3S,5S)-5-(2-amino-6-phenylmethoxypurin-9-yl)-3-phenylmethoxy-2-(phenylmethoxymethyl)cyclopentan-1-ol.

What is (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol used for?

(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol is supplied as a characterised reference material related to Entecavir. 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 (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol can I order?

We supply (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol 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 (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol?

Yes. Every lot of (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol 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 (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol be shipped internationally?

Yes. We export (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-ol 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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