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2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one

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2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one Suppliers list
Company Name: Henan Fengda Chemical Co., Ltd
Tel: +86-371-86557731 +86-13613820652
Email: info@fdachem.com
Products Intro: Product Name:2-amino-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one
CAS:142217-81-0
Purity:99% Package:1KG;30USD|1000KG;0.9USD
Company Name: Guangzhou Tosun Pharmaceutical Ltd
Tel: +86-020-61855200-902 +8618124244216
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Products Intro: Product Name:Entecavir Impurity 4
CAS:142217-81-0
Purity:95%+ Package:5mg;|10mg;|50mg
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-+86-371-66670886
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Products Intro: Product Name:2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
CAS:142217-81-0
Purity:99% Package:100g ;1KG ;5KG 25KG
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512
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Products Intro: Product Name:2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
CAS:142217-81-0
Purity:99% Package:25KG;5KG;1KG
Company Name: ATK CHEMICAL COMPANY LIMITED
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Email: ivan@atkchemical.com
Products Intro: Product Name:ETA/ET1/N8
CAS:142217-81-0
Purity:98% Package:5MG;10MG;50MG;100MG,1G,5G

2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one manufacturers

  • Entecavir Impurity 4
  • Entecavir Impurity 4 pictures
  • $0.00 / 5mg
  • 2025-03-10
  • CAS:142217-81-0
  • Min. Order: 5mg
  • Purity: 95%+
  • Supply Ability: 1000mg
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one Basic information
Product Name:2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
Synonyms:Entecavir InterMediate VIII IsoMer;Entecavir InterMediate N-1;[1S-(1α,3α,4β)]-2-AMino-1,9-dihydro-9-[2-Methylene-4-(phenylMethoxy)-3-[(phenylMethoxy)Methyl]cyclopentyl]-6H;2-AMino-1,9-dihydro-9-[(1S,3R,4S)-2-Methylene-4-(phenylMethoxy)-3-[(phenylMethoxy)Methyl]cyclopentyl]-6H-purin-6-one;3',5'-Di-O-benzyl Entecavir;2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one (interMediate 7);2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxyMethyl)-2-Methylenecyclopentyl]-6H-purin;2-Amino-9-((1S,3R,4S)-4-(benzyloxy)-3-((benzyloxy)-methyl)-2-methylenecyclopentyl)-1H-purin-6(9H)
CAS:142217-81-0
MF:C26H27N5O3
MW:457.52
EINECS:1312995-182-4
Product Categories:
Mol File:142217-81-0.mol
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one Structure
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one Chemical Properties
Melting point 245-247°C (dec.)
density 1.34
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility DMSO (Slightly)
form Solid
pka9?+-.0.20(Predicted)
color White to Pale Beige
CAS DataBase Reference142217-81-0(CAS DataBase Reference)
Safety Information
HS Code 29335990
MSDS Information
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one Usage And Synthesis
Chemical PropertiesWhite powder
Uses3’,5’-Di-O-benzyl Entecavir is an intermediate in the preparation of the hepatitis B antiviral agent, Entecavir (E558900).
Uses3’5’Di-O-benzyl Entecavir is an intermediate in the preparation of the hepatitis B antiviral agent, Entecavir (E558900).
Tag:2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one(142217-81-0) Related Product Information
Cyclopentyl methyl ether Acetaminophen EC 2.6.1.2 TERT-AMYL METHYL ETHER Methyl salicylate Kresoxim-methyl 4-Methoxybenzylchloride Methyl acetate Tribenuron methyl METSULFURON METHYL (1S,2R,3S,5R)-3-(Phenymethyloxy)-2-(phenylmethoxy)methyl-6-oxabicyclo[3.1.0]hexane Thiophanate-methyl Methyl 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine Entecavir hydrate 6-(Benzyloxy)-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-9H-purine-2-amine (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol 2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one
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